| Patent | Date |
|---|
Method for producing TDI-trimerisates with high purity
Grant 10,676,448 - Sanders , et al. | 2020-06-09 |
Method for producing 1,5-pentanediisocyanate in the gas phase
Grant 10,329,248 - Sanders , et al. | 2019-06-25 |
Method for producing xylylene diisocyanates in the gaseous phase
Grant 10,294,198 - Halpaap , et al. | 2019-05-21 |
Method For Producing 1,5-pentanediisocyanate In The Gas Phase
App 20190112259 - Sanders; Josef ; et al. | 2019-04-18 |
Method For Producing Tdi-trimerisates With High Purity
App 20190031625 - Sanders; Josef ; et al. | 2019-01-31 |
Method for producing light-coloured TDI-polyisocyanates
Grant 10,189,945 - Sanders , et al. Ja | 2019-01-29 |
Method for producing 1,5-pentanediisocyanate in the gas phase
Grant 10,173,970 - Sanders , et al. J | 2019-01-08 |
Method for producing TDI-trimerisates with high purity
Grant 10,131,641 - Sanders , et al. November 20, 2 | 2018-11-20 |
Process for continuous isocyanate modification
Grant 9,790,194 - Richter , et al. October 17, 2 | 2017-10-17 |
Method For Producing 1,5-pentanediisocyanate In The Gas Phase
App 20170283370 - Sanders; Josef ; et al. | 2017-10-05 |
Method For Producing Xylylene Diisocyanates In The Gaseous Phase
App 20170210702 - Halpaap; Reinhard ; et al. | 2017-07-27 |
Method For Producing 1,5-diaminonaphthalene And 1-amino-5-nitronaphthalene By Direct Electrochemical Amination Of Non-activated Or Deactivated Aromatic Systems On Boron-doped Diamond Anodes
App 20170159189 - Richter; Frank ; et al. | 2017-06-08 |
Polyisocyanate mixtures
Grant 9,458,318 - Greszta-Franz , et al. October 4, 2 | 2016-10-04 |
Process for hydrogenating aromatic di- and polyamines
Grant 9,403,754 - Muller , et al. August 2, 2 | 2016-08-02 |
Preparation of light-colored isocyanates
Grant 9,382,198 - Stutz , et al. July 5, 2 | 2016-07-05 |
Process for trimerising cycloaliphatic diisocyanates
Grant 9,376,403 - Halpaap , et al. June 28, 2 | 2016-06-28 |
Method For Producing Polyisocyanates And Use Of Said Polyisocyanates
App 20160168308 - RICHTER; Frank ; et al. | 2016-06-16 |
Method For Producing Polyisocyanates Comprising Iminooxadiazinedione Groups And Use Of These
App 20160145221 - Richter; Frank ; et al. | 2016-05-26 |
Process for hydrogenating aromatic di- and polyamines to cycloaliphatic di- and polyamines
Grant 9,278,906 - Muller , et al. March 8, 2 | 2016-03-08 |
Method For Producing Tdi-trimerisates With High Purity
App 20160031834 - SANDERS; Josef ; et al. | 2016-02-04 |
Method For Producing Light-coloured Tdi-polyisocantes
App 20160017097 - SANDERS; Josef ; et al. | 2016-01-21 |
Process For Hydrogenating Aromatic Di- And Polyamines
App 20150218082 - Muller; Thomas E. ; et al. | 2015-08-06 |
Process For Hydrogenating Aromatic Di- And Polyamines To Cycloaliphatic Di- And Polyamines
App 20150218083 - MULLER; Thomas E. ; et al. | 2015-08-06 |
Compact, Lightfast Polyurethane Moulded Parts
App 20140378641 - Meyer zu Berstenhorst; Birgit ; et al. | 2014-12-25 |
Process For Continuous Isocyanate Modification
App 20140343280 - Richter; Frank ; et al. | 2014-11-20 |
Process For Trimerising Cycloaliphatic Diisocyanates
App 20140058102 - Halpaap; Reinhard ; et al. | 2014-02-27 |
Foamed Lightfast Polyurethane Mouldings
App 20130184367 - Meyer Zu Berstenhorst; Birgit ; et al. | 2013-07-18 |
Polyurethane Having High Light Refraction
App 20130158145 - Laas; Hans-Josef ; et al. | 2013-06-20 |
Polyisocyanate Mixtures
App 20130158146 - Greszta-Franz; Dorota ; et al. | 2013-06-20 |
Process for the preparation of polyisocyanates with a biuret structure
Grant 8,445,623 - Brahm , et al. May 21, 2 | 2013-05-21 |
Polyurethane Having Low Volume Shrinkage
App 20130116357 - Laas; Hans-Josef ; et al. | 2013-05-09 |
Process for producing low-monomer-content organic polyisocyanates
Grant 8,293,937 - Brahm , et al. October 23, 2 | 2012-10-23 |
Preparation of uretdione polyisocyanates
Grant 8,134,014 - Richter , et al. March 13, 2 | 2012-03-13 |
Preparation of polyisocyanates of the trimer type
Grant 8,097,691 - Richter , et al. January 17, 2 | 2012-01-17 |
Polyurethane Casting Compounds
App 20110281965 - Laas; Hans-Josef ; et al. | 2011-11-17 |
Uretdione formation in solution
Grant 8,058,382 - Richter , et al. November 15, 2 | 2011-11-15 |
Method For Modifying Diisocyanates
App 20110275802 - Richter; Frank ; et al. | 2011-11-10 |
Polyisocyanates containing allophanate and silane groups
Grant 7,956,209 - Laas , et al. June 7, 2 | 2011-06-07 |
Polyisocyanate mixtures comprising cycloaliphatic structural elements
Grant 7,939,598 - Laas , et al. May 10, 2 | 2011-05-10 |
Polyurethane powder lacquer
Grant 7,919,552 - Grahl , et al. April 5, 2 | 2011-04-05 |
Process For The Preparation Of Polyisocyanates With A Biuret Structure
App 20110046300 - Brahm; Martin ; et al. | 2011-02-24 |
Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature
Grant 7,767,778 - Rawlins , et al. August 3, 2 | 2010-08-03 |
Highly productive coating composition for automotive refinishing
Grant 7,737,243 - Adams , et al. June 15, 2 | 2010-06-15 |
Preparation of polyisocyanates containing uretdione groups using phosphine catalysts
Grant 7,709,680 - Richter , et al. May 4, 2 | 2010-05-04 |
Preparation Of Polyisocyanates Of The Trimer Type
App 20090234091 - Richter; Frank ; et al. | 2009-09-17 |
Process for producing low-monomer-content organic polyisocyanates
App 20090156778 - Brahm; Martin ; et al. | 2009-06-18 |
Polyisocyanate mixtures comprising cycloaliphatic structural elements
App 20090156738 - Laas; Hans-Josef ; et al. | 2009-06-18 |
Preparation of light-colored isocyanates
App 20090149671 - Stutz; Herbert ; et al. | 2009-06-11 |
Preparation of uretdione polyisocyanates
App 20090143558 - Richter; Frank ; et al. | 2009-06-04 |
Polyisocyanates Containing Allophanate And Silane Groups
App 20090018302 - Laas; Hans-Josef ; et al. | 2009-01-15 |
Preparation of polyisocyanates containing uretdione groups using phosphine catalysts
App 20080262262 - Richter; Frank ; et al. | 2008-10-23 |
Polurethane powder lacquer
App 20080182928 - Grahl; Michael ; et al. | 2008-07-31 |
Solutions of blocked polyimides or polyamideimides
App 20080146764 - Gertzmann; Rolf ; et al. | 2008-06-19 |
Preparation and use of biuret-containing polyisocyanates as cross-linking agents for coatings
App 20080064829 - Adams; Jerome T. ; et al. | 2008-03-13 |
Polyisocyanate-modified polycarboxylic acids
Grant 7,329,717 - Laas , et al. February 12, 2 | 2008-02-12 |
Highly productive coating composition for automotive refinishing
App 20070282070 - Adams; Jerome T. ; et al. | 2007-12-06 |
Process for the preparation of polyaddition compounds
App 20070142608 - Laas; Hans Josef ; et al. | 2007-06-21 |
Self-crosslinking polyurethane dispersions and a process for their preparation
App 20070004856 - Mazanek; Jan ; et al. | 2007-01-04 |
Preparation of polyisocyanates containing uretdione groups
Grant 7,151,151 - Richter , et al. December 19, 2 | 2006-12-19 |
Elimination-free powder coating crosslinking agents
Grant 7,148,374 - Greszta-Franz , et al. December 12, 2 | 2006-12-12 |
Carboxy-functional crosslinkers for epoxy-functional powder-lacquer binding agents
Grant 7,148,295 - Laas , et al. December 12, 2 | 2006-12-12 |
Isocyanates containing uretdione groups
Grant 7,098,289 - Laas , et al. August 29, 2 | 2006-08-29 |
Blocked polyisocyanates
Grant 7,087,676 - Mazanek , et al. August 8, 2 | 2006-08-08 |
Uretdione formation in solution
App 20060173152 - Richter; Frank ; et al. | 2006-08-03 |
Preparation of polyisocyanates containing uretdione groups
Grant 7,067,654 - Richter , et al. June 27, 2 | 2006-06-27 |
Sulfonamide anions as catalysts for NCO oligomerization
Grant 7,060,817 - Kocher , et al. June 13, 2 | 2006-06-13 |
Continuous method for manufacturing an acid functional blocked solid isocyanate
App 20060122357 - Faecke; Thomas ; et al. | 2006-06-08 |
Blocked biuretized isocyanates
App 20060089481 - Roesler; Richard R. ; et al. | 2006-04-27 |
Polyadducts containing uretidone groups
Grant 6,987,158 - Laas , et al. January 17, 2 | 2006-01-17 |
Polyurethane powder coating compositions that do not split off blocking agents and have a low stoving temperature
App 20050222364 - Rawlins, James ; et al. | 2005-10-06 |
Preparation of polyisocyanates containing uretdione groups
App 20050113551 - Richter, Frank ; et al. | 2005-05-26 |
Polyisocyanates with biuret structure, blocked with secondary amines
App 20050107565 - Thiebes, Christoph ; et al. | 2005-05-19 |
Solidification-stable blocked polyisocyanates
App 20050070683 - Thiebes, Christoph ; et al. | 2005-03-31 |
Preparation and use of biuret-containing polyisocyanates as cross-linking agents for coatings
App 20050033008 - Adams, Jerome T. ; et al. | 2005-02-10 |
Sulfonamide anions as catalysts for NCO oligomerization
App 20050033005 - Kocher, Jurgen ; et al. | 2005-02-10 |
Polyisocyanate-modified polycarboxylic acids
App 20050004320 - Laas, Hans-Josef ; et al. | 2005-01-06 |
Carboxy-functional crosslinkers for epoxy-functional powder-lacquer binding agents
App 20040265597 - Laas, Hans-Josef ; et al. | 2004-12-30 |
Blocked polyisocyanates
App 20040266969 - Mazanek, Jan ; et al. | 2004-12-30 |
Lightfast polyurethane clear lacquers
App 20040249108 - Dietrich, Bernd-Peter ; et al. | 2004-12-09 |
Aqueous polyurethane dispersions for producing coatings with soft feel effect
App 20040242765 - Munzmay, Thomas ; et al. | 2004-12-02 |
Method of dimerizing isophorone diisocyanate
Grant 6,797,800 - Laas , et al. September 28, 2 | 2004-09-28 |
Highly functional polyisocyanate mixtures which are dispersible in water
Grant 6,777,523 - Laas , et al. August 17, 2 | 2004-08-17 |
Modified polyisocyanates
Grant 6,767,958 - Laas , et al. July 27, 2 | 2004-07-27 |
Novel coating systems
App 20040143083 - Gurtler, Christoph ; et al. | 2004-07-22 |
Elimination-free powder coating crosslinking agents
App 20040133035 - Greszta-Franz, Dorota ; et al. | 2004-07-08 |
Low-monomer-content polyisocyanates containing uretdione groups
App 20040110915 - Richter, Frank ; et al. | 2004-06-10 |
Preparation of polyisocyanates containing uretdione groups
App 20040106789 - Richter, Frank ; et al. | 2004-06-03 |
Blocked polyisocyanates that are stable to solidification
App 20040097687 - Thiebes, Christoph ; et al. | 2004-05-20 |
Composition comprising a blocked polyisocyanate
App 20040072931 - Thiebes, Christoph ; et al. | 2004-04-15 |
Process for the preparation of polyisocyanates with a biuret structure
Grant 6,720,400 - Halpaap , et al. April 13, 2 | 2004-04-13 |
Dimethylpyrazole-blocked isocyanate mixtures
Grant 6,713,556 - Konig , et al. March 30, 2 | 2004-03-30 |
Polyadducts containing uretdione groups
App 20040059082 - Laas, Hans-Josef ; et al. | 2004-03-25 |
Isocyanates containing uretdione groups
App 20040049028 - Laas, Hans-Josef ; et al. | 2004-03-11 |
Modified polyisocyanates
App 20040034162 - Laas, Hans-Josef ; et al. | 2004-02-19 |
Ionic liquids
App 20030204041 - Laas, Hans-Josef ; et al. | 2003-10-30 |
Dimethylpyrazole-blocked isocyanate mixtures
App 20030171488 - Konig, Eberhard ; et al. | 2003-09-11 |
Method of preparing aliphatic polyisocyanates with uretdione, isocyanurate and iminooxadiazindione structures
Grant 6,590,098 - Richter , et al. July 8, 2 | 2003-07-08 |
Preparation and use of biuret-containing polyisocyanates as cross-linking agents for coatings
App 20030109664 - Adams, Jerome T. ; et al. | 2003-06-12 |
Method of preparing aliphatic polyisocyanates with uretdione, isocyanurate and iminooxadiazindione structures
App 20030078361 - Richter, Frank ; et al. | 2003-04-24 |
Method of dimerizing isophorone diisocyanate
App 20030013872 - Laas, Hans-Josef ; et al. | 2003-01-16 |
Polyether-modified polyisocyanate mixtures having improved dispersibility in water
Grant 6,426,414 - Laas , et al. July 30, 2 | 2002-07-30 |
Powder coating cross-linking agents of high functionality which contain uretdione groups and free isocyanate groups
Grant 6,423,777 - Laas , et al. July 23, 2 | 2002-07-23 |
Process for the production of uretdione polyisocyanates with improved monomer stability
App 20020028930 - Laas, Hans-Josef ; et al. | 2002-03-07 |
Process for the preparation of polyisocyanates with a biuret structure
App 20010056169 - Halpaap, Reinhard ; et al. | 2001-12-27 |
Powder coating crosslinking agents containing uretdione groups and free isocyanate
Grant 6,297,343 - Laas , et al. October 2, 2 | 2001-10-02 |
Coating compositions containing alkoxysilanes
Grant 6,281,322 - Groth , et al. August 28, 2 | 2001-08-28 |
Process for decreasing the chlorine content of organic isocyanates
Grant 6,222,066 - Danielmeier , et al. April 24, 2 | 2001-04-24 |
Use of special isocyanates for preparing aqueous polyurethane coatings
Grant 6,100,326 - Richter , et al. August 8, 2 | 2000-08-08 |
Process for the production of light-colored uretdione polyisocyanates
Grant 6,043,332 - Laas , et al. March 28, 2 | 2000-03-28 |
Powder coating compositions and their use for coating heat-resistant substrates
Grant 5,852,101 - Halpaap , et al. December 22, 1 | 1998-12-22 |
Polyurethane powder coating compositions which have a low stoving temperature
Grant 5,847,044 - Laas , et al. December 8, 1 | 1998-12-08 |
Process for preparing mono and polyaspartates
Grant 5,821,326 - Kurek , et al. October 13, 1 | 1998-10-13 |
Process for the production of polyisocyanates containing isocyanurate groups from aliphatic and aromatic isocyanate compounds
Grant 5,798,431 - Brahm , et al. August 25, 1 | 1998-08-25 |
Uretdione diisocyanates and a process for their production
Grant 5,750,629 - Laas , et al. May 12, 1 | 1998-05-12 |
Polycyclic iminooxadiazinediones, their preparation and use
Grant 5,717,091 - Richter , et al. February 10, 1 | 1998-02-10 |
Process for the preparation of coatings
Grant 5,623,045 - Zwiener , et al. April 22, 1 | 1997-04-22 |
Uretdione powder coating cross-linking agents having a low melt viscosity
Grant 5,621,064 - Laas , et al. April 15, 1 | 1997-04-15 |
Dimeric diol-modified powder coating cross-linking agents containing uretdione groups
Grant 5,596,066 - Laas , et al. January 21, 1 | 1997-01-21 |
Powder coating compositions, a process for their preparation, and their use for the coating of heat resistant substrates
Grant 5,508,337 - Wamprecht , et al. April 16, 1 | 1996-04-16 |
Polyisocyanate mixtures, a process for their preparation and their use as cross-linking agents in coating compositions
Grant 5,473,011 - Laas , et al. December 5, 1 | 1995-12-05 |
Water-dispersible polyisocyanate mixtures, a process for their preparation and their use in two-component aqueous compositions
Grant 5,252,696 - Laas , et al. October 12, 1 | 1993-10-12 |
Polyisocyanate mixture, a process for its preparation and its use in polyurethane coating compositions
Grant 5,143,994 - Laas , et al. September 1, 1 | 1992-09-01 |
Process for the preparation of viscosity stable polyurethane solutions
Grant 4,530,990 - Halpaap , et al. July 23, 1 | 1985-07-23 |
Process for the production of combinations of organic polyisocyanates and at least partly blocked polyamines, the combinations obtainable by this process and their use for the production of lacquers, coating or sealing compositions
Grant 4,481,345 - Nachtkamp , et al. November 6, 1 | 1984-11-06 |
| 