FISCHER; Rolf-Hartmuth

Patent Applications and Registrations

Patent applications and USPTO patent grants for FISCHER; Rolf-Hartmuth.The latest application filed is for "method for the preparation of polyamines from dinitriles and/or amino nitriles".

Company Profile

0.51.55

FISCHER; Rolf-Hartmuth - US
Fischer; Rolf-Hartmuth - Heidelberg DE
Fischer; Rolf-Hartmuth - Heidleberg DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method For The Preparation Of Polyamines From Dinitriles And/or Amino Nitriles App 20190218341 - REISSNER; Thomas ; et al.	2019-07-18
Method for continuous production of adiponitrile Grant 9,890,113 - Fischer , et al. February 13, 2	2018-02-13
Method For Continuous Production Of Adiponitrile App 20170283369 - FISCHER; Rolf-Hartmuth ; et al.	2017-10-05
Process For Producing Nylon-6,6 App 20160347908 - MULLER; Christoph ; et al.	2016-12-01
Method For Producing Hexamethylenediamine App 20160326092 - MULLER; Christoph ; et al.	2016-11-10
Method For Preparing 1,6-hexanediol App 20160311739 - MULLER; Christoph ; et al.	2016-10-27
Process for preparing purified caprolactam from the Beckmann rearrangement of cyclohexane oxime Grant 8,841,445 - Fischer September 23, 2	2014-09-23
Process for isomerization of cis-2-pentenenitrile to 3-pentenenitriles Grant 8,772,527 - Fischer , et al. July 8, 2	2014-07-08
Process For Preparing Purified Caprolactam From The Beckmann Rearrangement Of Cyclohexane Oxime App 20140171638 - Fischer; Rolf-Hartmuth	2014-06-19
Process for Isomerization of CIS-2-Pentenenitrile to 3-Pentenenitriles App 20130289299 - Fischer; Rolf-Hartmuth ; et al.	2013-10-31
Process for Ion Exchange on Zeolites App 20130129612 - Luyken; Hermann ; et al.	2013-05-23
Process for preparing diols by hydrogenating a carboxylic acid-comprising mixture by means of cobalt-comprising catalysts Grant 8,383,866 - Pinkos , et al. February 26, 2	2013-02-26
Process for preparing 6-hydroxycaproic esters Grant 8,183,411 - Pinkos , et al. May 22, 2	2012-05-22
Apparatus For Separation By Distillation App 20110224401 - Kashammer; Stefan ; et al.	2011-09-15
Process For Preparing Diols By Hydrogenating A Carboxylic Acid-comprising Mixture By Means Of Cobalt-comprising Catalysts App 20110124926 - PINKOS; Rolf ; et al.	2011-05-26
Iron-containing material suitable for use as hydrogenation catalyst Grant 7,875,740 - Ansmann , et al. January 25, 2	2011-01-25
Process For Preparing 6-hydroxycaproic Esters App 20110015429 - Pinkos; Rolf ; et al.	2011-01-20
Method for purifying caprolactam Grant 7,501,047 - Luyken , et al. March 10, 2	2009-03-10
Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof Grant 7,385,073 - Maixner , et al. June 10, 2	2008-06-10
Selective preparation of tetrahydrofuran by hydrogenation of maleic anhydride App 20080097112 - Schlitter; Stephan ; et al.	2008-04-24
Method for purifying tetrahydrofuran by distillation Grant 7,351,311 - Windecker , et al. April 1, 2	2008-04-01
Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride Grant 7,307,040 - Schlitter , et al. December 11, 2	2007-12-11
Two-stage method for producing butanediol with intermediated separation of succinic anhydride Grant 7,271,299 - Hesse , et al. September 18, 2	2007-09-18
Method for producing toluol derivatives Grant 7,230,141 - Bottke , et al. June 12, 2	2007-06-12
Method for the continuous production of N-methyl-2-pyrrolidone (NMP) Grant 7,227,029 - Rudloff , et al. June 5, 2	2007-06-05
Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give .gamma.-butyrolactone, tetrahydrofuran and derivatives thereof Grant 7,217,679 - Borchert , et al. May 15, 2	2007-05-15
Purification of caprolactam Grant 7,217,818 - Fischer , et al. May 15, 2	2007-05-15
Method for the production of optically active 2-amino 2-chloro, 2 hydroxy or 2-alkoxy-1-alcohols Grant 7,217,847 - Fischer , et al. May 15, 2	2007-05-15
Catalyst and hydrogenation of carbonyl compounds in the liquid phase using the catalyst Grant 7,214,641 - Schubert , et al. May 8, 2	2007-05-08
Method for the simultaneous production of tetrahydrofurans and pyrrolidones Grant 7,193,091 - Fischer , et al. March 20, 2	2007-03-20
Multi-zone jacketed pipe reactor for carrying out exothermic gaseous phase reactions App 20070036697 - Gutlhuber; Friedrich ; et al.	2007-02-15
Catalytic hydrogenation over rhenium-containing catalysts supported on activated carbon Grant 7,172,989 - Fischer , et al. February 6, 2	2007-02-06
Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation Grant 7,169,958 - Hesse , et al. January 30, 2	2007-01-30
Method for the production of 2-pyrrolidone Grant 7,164,031 - Rudloff , et al. January 16, 2	2007-01-16
Method for the production of 1,4- butanediol Grant 7,154,011 - Hesse , et al. December 26, 2	2006-12-26
Iron-containing oxidic material suitable for use as hydrogenation catalyst precursor Grant 7,115,781 - Ansmann , et al. October 3, 2	2006-10-03
Two-stage method for producing butane diol with intermediated separation of succinic anhydride App 20060167323 - Hesse; Michael ; et al.	2006-07-27
Preparation of 1,6-hexanediol Grant 7,064,239 - Fischer , et al. June 20, 2	2006-06-20
Method for the production of optically active 2-amino 2-chloro, 2 hydroxy or 2-alkoxy-1-alcohols App 20060116521 - Fischer; Rolf-Hartmuth ; et al.	2006-06-01
Catalyst and method for the production of polytetrahydrofuran Grant 7,041,752 - Schlitter , et al. May 9, 2	2006-05-09
Method for purifying caprolactam App 20060090994 - Luyken; Hermann ; et al.	2006-05-04
Supported catalyst containing rhenium and method for hydrogenation of hydrogenation of carbonyl compounds in liquid phase by means of said catalyst App 20060052239 - Schubert; Markus ; et al.	2006-03-09
Method for purifying caprolactam App 20060041122 - Fischer; Rolf-Hartmuth ; et al.	2006-02-23
Catalyst and method for producing alcohol by hydrogenation on said catalyst App 20060030743 - Schubert; Markus ; et al.	2006-02-09
Single-stage method for producing toluene derivatives Grant 6,992,226 - Fischer , et al. January 31, 2	2006-01-31
Method for the production of 1,6-hexanediol App 20060014988 - Fischer; Rolf-Hartmuth ; et al.	2006-01-19
Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine Grant 6,972,075 - Luyken , et al. December 6, 2	2005-12-06
Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation App 20050267318 - Hesse, Michael ; et al.	2005-12-01
Method for purifying tetrahydrofuran by distillation App 20050258025 - Windecker, Gunther ; et al.	2005-11-24
Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor Grant 6,958,404 - Borchert , et al. October 25, 2	2005-10-25
Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof App 20050222449 - Maixner, Stefan ; et al.	2005-10-06
Method for the production of 1,4- butanediol App 20050182281 - Hesse, Michael ; et al.	2005-08-18
Catalytic hydrogenation over rhenium-containing catalysts supported on activated carbon App 20050176972 - Fischer, Rolf-Hartmuth ; et al.	2005-08-11
Method for generating catalysts Grant 6,905,997 - Ohlbach , et al. June 14, 2	2005-06-14
Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts Grant 6,906,228 - Fischer , et al. June 14, 2	2005-06-14
Method for the simultaneous production of tetrahydrofurans ad pyrrolidones App 20050119494 - Fischer, Rolf-Hartmuth ; et al.	2005-06-02
Method for separating ammonia from solutions containing caprolactam and ammonia Grant 6,896,772 - Luyken , et al. May 24, 2	2005-05-24
Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran Grant 6,888,011 - Borchert , et al. May 3, 2	2005-05-03
Method for producing a polymer, using caprolactam Grant 6,878,798 - Ohlbach , et al. April 12, 2	2005-04-12
Catalyst and method for producing polytetrahydrofurane Grant 6,870,014 - Steinbrenner , et al. March 22, 2	2005-03-22
Method for producing toluol derivatives App 20050032627 - Bottke, Nils ; et al.	2005-02-10
Method for the continuous production of n-methyl-2-pyrrolidone (nmp) App 20050010057 - Rudloff, Martin ; et al.	2005-01-13
Iron-containing oxidic material suitable for use as hydrogenation catalyst precursor App 20040254070 - Ansmann, Andreas ; et al.	2004-12-16
Iron-containing material suitable for use as hydrogenation catalyst App 20040254059 - Ansmann, Andreas ; et al.	2004-12-16
Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones Grant 6,831,182 - Borchert , et al. December 14, 2	2004-12-14
Preparation of cyclopentenones Grant 6,828,464 - Liang , et al. December 7, 2	2004-12-07
Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile Grant 6,828,457 - Ohlbach , et al. December 7, 2	2004-12-07
Method for the production of 2-pyrrolidone App 20040242900 - Rudloff, Martin ; et al.	2004-12-02
Continuous method for producing polyamides from aminonitriles Grant 6,815,527 - Bassler , et al. November 9, 2	2004-11-09
Catalyst and method for the production of polytetrahydrofuran App 20040220381 - Schlitter, Stephan ; et al.	2004-11-04
Method for producing pyrrolidones App 20040158078 - Fischer, Rolf-Hartmuth ; et al.	2004-08-12
Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts Grant 6,765,118 - Fischer , et al. July 20, 2	2004-07-20
Single-stage method for producing toluene derivatives App 20040127752 - Fischer, Rolf-Hartmuth ; et al.	2004-07-01
Continuous method fore producing polyamides from aminonitriles App 20040102604 - Bassler, Peter ; et al.	2004-05-27
Preparation of cyclopentenoes App 20040102655 - Liang, Shelue ; et al.	2004-05-27
Method for the production of tetrahydrofuran Grant 6,730,800 - Fischer , et al. May 4, 2	2004-05-04
Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers Grant 6,716,937 - Bohner , et al. April 6, 2	2004-04-06
Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor App 20040044230 - Borchert, Holger ; et al.	2004-03-04
Method For The Production Of Tetrahydrofuran App 20040039214 - Fischer, Rolf-Hartmuth ; et al.	2004-02-26
Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones App 20040034240 - Borchert, Holger ; et al.	2004-02-19
Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile App 20040030174 - Ohlbach, Frank ; et al.	2004-02-12
Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran App 20040030163 - Borchert, Holger ; et al.	2004-02-12
Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give gamma-butyrolactone, tetrahydrofuran and derivatives thereof App 20040029728 - Borchert, Holger ; et al.	2004-02-12
Preparation of cyclic lactams Grant 6,686,465 - Ohlbach , et al. February 3, 2	2004-02-03
Preparation of cyclic lactams Grant 6,683,178 - Ohlbach , et al. January 27, 2	2004-01-27
Preparation of caprolactam Grant 6,683,179 - Bassler , et al. January 27, 2	2004-01-27
Method for the production of caprolactam Grant 6,683,180 - Ohlbach , et al. January 27, 2	2004-01-27
Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine App 20040015004 - Luyken, Hermann ; et al.	2004-01-22
Preparation of caprolactam Grant 6,677,449 - Bassler , et al. January 13, 2	2004-01-13
Catalyst and method for producing polytetrahydrofurane App 20030186806 - Steinbrenner, Ulrich ; et al.	2003-10-02
Method for generating catalysts App 20030181313 - Ohlbach, Frank ; et al.	2003-09-25
Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers App 20030176630 - Bohner, Gerd ; et al.	2003-09-18
Method for the production of caprolactam App 20030153749 - Ohlbach, Frank ; et al.	2003-08-14
Method for separating ammonia from solutions containing caprolactam and ammonia App 20030132098 - Luyken, Hermann ; et al.	2003-07-17
Method for producing a polymer, using caprolactam App 20030135019 - Ohlbach, Frank ; et al.	2003-07-17
Method for producing cyclic lactams App 20030125544 - Ohlbach, Frank ; et al.	2003-07-03
Method for producing caprolactam from 6-aminocapronitrile App 20030125546 - Bassler, Peter ; et al.	2003-07-03
Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts App 20030114719 - Fischer, Rolf Hartmuth ; et al.	2003-06-19
Method for producing cyclic lactams App 20030114664 - Ohlbach, Frank ; et al.	2003-06-19
Method for producing caprolactam on the basis of 6-aminocapronitrile and subsequent purification by crystallization App 20030105322 - Bassler, Peter ; et al.	2003-06-05
Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts App 20030050516 - Fischer, Rolf-Hartmuth ; et al.	2003-03-13
Method for producing 1,6-hexanediol and 6-hydroxycaproic acid or their esters Grant 6,426,438 - Fischer , et al. July 30, 2	2002-07-30
Method for hydrogenating aliphatic alpha-, omega-dinitriles Grant 6,265,602 - Voit , et al. July 24, 2	2001-07-24
Coproduction of 6-aminocapronitrile and hexamethylenediamine Grant 5,874,607 - Schnurr , et al. February 23, 1	1999-02-23
Preparation of amines and aminonitriles Grant 5,827,938 - Schnurr , et al. October 27, 1	1998-10-27

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.