| Patent | Date |
|---|
Process for purifying propylene oxide
Grant 10,676,451 - Teles , et al. | 2020-06-09 |
Process for the preparation of propylene oxide
Grant 10,544,115 - Riedel , et al. Ja | 2020-01-28 |
A Process For Purifying Propylene Oxide
App 20190322634 - TELES; Joaquim Henrique ; et al. | 2019-10-24 |
Process for preparing propylene oxide
Grant 10,435,381 - Teles , et al. O | 2019-10-08 |
A Process For Preparing Propylene Oxide
App 20190169149 - TELES; Joaquim Henrique ; et al. | 2019-06-06 |
Separation of a phosgene- and hydrogen chloride-comprising stream
Grant 10,252,912 - Schelling , et al. | 2019-04-09 |
A Process For The Preparation Of Propylene Oxide
App 20190077779 - RIEDEL; Dominic ; et al. | 2019-03-14 |
Separation Of A Phosgene- And Hydrogen Chloride-comprising Stream
App 20180044179 - SCHELLING; Heiner ; et al. | 2018-02-15 |
Process for preparing isocyanates
Grant 9,302,983 - Lehr , et al. April 5, 2 | 2016-04-05 |
Method for producing phosgene
Grant 8,993,803 - Olbert , et al. March 31, 2 | 2015-03-31 |
Process For Preparing Isocyanates
App 20150080600 - LEHR; Vanessa Simone ; et al. | 2015-03-19 |
Process for preparing isocyanates
Grant 8,969,615 - Lehr , et al. March 3, 2 | 2015-03-03 |
Process for preparing methylenedi(phenyl isocyanate)
Grant 8,907,124 - Bock , et al. December 9, 2 | 2014-12-09 |
Process for preparing an isocyanate
Grant 8,853,443 - Breuninger , et al. October 7, 2 | 2014-10-07 |
Processes for preparing 4-chlorobenzenesulfonic acid and 4,4'-dichlorodiphenyl sulfone
Grant 8,853,444 - Deck , et al. October 7, 2 | 2014-10-07 |
Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series
Grant 8,841,480 - Schelling , et al. September 23, 2 | 2014-09-23 |
Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation
Grant 8,759,569 - Schelling , et al. June 24, 2 | 2014-06-24 |
Process for preparing light-coloured isocyanates of the diphenylmethane series
Grant 8,748,655 - Schelling , et al. June 10, 2 | 2014-06-10 |
Method for producing diisocyanates by gas-phase phosgenation
Grant 8,716,517 - Mattke , et al. May 6, 2 | 2014-05-06 |
Method for producing color-stable MDA and MDI
Grant 8,614,352 - Stroefer , et al. December 24, 2 | 2013-12-24 |
Method of measuring entry of water into phosgene-conducting plants
Grant 8,519,179 - Schelling , et al. August 27, 2 | 2013-08-27 |
Process For Preparing Isocyanates
App 20120251435 - LEHR; Vanessa Simone ; et al. | 2012-10-04 |
Distillation Process For Separating Chlorine From Gas Streams Comprising Oxygen And Chlorine
App 20120213692 - Pallasch; Hans-Jurgen ; et al. | 2012-08-23 |
Use Of Liquid Hydrogen Chloride As Refrigerant In Processes For Preparing Chlorine
App 20120213693 - PALLASCH; Hans-Jurgen ; et al. | 2012-08-23 |
Process For Preparing Light-coloured Isocyanates Of The Diphenylmethane Series
App 20120172620 - Schelling; Heiner ; et al. | 2012-07-05 |
Method For Producing Diisocyanates By Gas-phase Phosgenation
App 20120142959 - Mattke; Torsten ; et al. | 2012-06-07 |
Process For Preparing Methylenedi(phenyl Isocyanate)
App 20120123151 - BOCK; Michael ; et al. | 2012-05-17 |
Process For The Preparation Of Light-colored Iocyanates Of A Diphenylmethanediisocyanate Series
App 20120108843 - Schelling; Heiner ; et al. | 2012-05-03 |
Method Of Measuring Entry Of Water Into Phosgene-conducting Plants
App 20120108844 - Schelling; Heiner ; et al. | 2012-05-03 |
Process For The Production Of Isocyanates, Preferably Diisocyanates And Polyisocyanates With Solvent Recirculation
App 20120101299 - Schelling; Heiner ; et al. | 2012-04-26 |
Method For Producing Color-stable Mda And Mdi
App 20120046497 - Stroefer; Eckhard ; et al. | 2012-02-23 |
Process for the preparation of triamides from ammonia and amido-dichlorides
Grant 8,088,950 - Bock , et al. January 3, 2 | 2012-01-03 |
Method For Producing Phosgene
App 20110319662 - Olbert; Gerhard ; et al. | 2011-12-29 |
Process For Preparing 4,4'-dichlorodiphenyl Sulfone
App 20110263902 - Deck; Patrick ; et al. | 2011-10-27 |
Process For Preparing An Isocyanate
App 20110263892 - Breuninger; Daniel ; et al. | 2011-10-27 |
Process For Preparing 4,4'-dichlorodiphenyl Sulfone
App 20110263903 - Deck; Patrick ; et al. | 2011-10-27 |
Processes For Preparing 4-chlorobenzenesulfonic Acid And 4,4'-dichlorodiphenyl Sulfone
App 20110218357 - Deck; Patrick ; et al. | 2011-09-08 |
Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethers
Grant 7,999,140 - Stroefer , et al. August 16, 2 | 2011-08-16 |
Process For The Preparation Of Triamides From Ammonia And Amidodichlorides
App 20110028761 - Bock; Michael ; et al. | 2011-02-03 |
Process for extracting (chlorinated) hydrocarbon-free hydrogen chloride and phosgene-free (chlorinated) hydrocarbons from a hydrogen chloride stream containing (chlorinated) hydrocarbons and phosgene
Grant 7,819,949 - Sesing , et al. October 26, 2 | 2010-10-26 |
Method For The Production Of Chlorine
App 20090304572 - Sesing; Martin ; et al. | 2009-12-10 |
Process for Extracting (Chlorinated) Hydrocarbon-Free Hydrogen Chloride and Phosgene-Free (Chlorinated) Hydrocarbons from a Hydrogen Chloride Stream Containing (Chlorinated) Hydrocarbons and Phosgene
App 20080295688 - Sesing; Martin ; et al. | 2008-12-04 |
Biodiesel Fuel Mixture Containing Polyoxymethylene Dialkyl Ether
App 20080216390 - Tebben; Gerd-Dieter ; et al. | 2008-09-11 |
Method for the Production of Polyoxymethylene Dialkyl Ethers from Trioxan and Dialkylethers
App 20080207955 - Stroefer; Eckhard ; et al. | 2008-08-28 |
Method for Producing Polyoxymethylene Dimethyl Ethers
App 20070260094 - Schelling; Heiner ; et al. | 2007-11-08 |
Recycling hydroxylamine-containing stripper solutions
Grant 6,758,946 - Watzenberger , et al. July 6, 2 | 2004-07-06 |
Preparation of an aqueous solution of free hydroxylamine
Grant 6,299,734 - Watzenberger , et al. October 9, 2 | 2001-10-09 |
Recycling hydroxylamine-containing stripper solutions
App 20010011633 - Watzenberger, Otto ; et al. | 2001-08-09 |
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