loadpatents
name:-1.5445611476898
name:-0.91649913787842
name:-0.0007169246673584
Drent; Eit Patent Filings

Drent; Eit

Patent Applications and Registrations

Patent applications and USPTO patent grants for Drent; Eit.The latest application filed is for "process for the preparation of an allyl alkyl ether by catalytic allylation".

Company Profile
0.75.37
  • Drent; Eit - Castricum NL
  • Drent; Eit - Amsterdam NL
  • Drent; Eit - CM Amsterdam NL
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Process For The Preparation Of An Allyl Alkyl Ether By Catalytic Allylation
App 20120190811 - Postma; Ron ;   et al.
2012-07-26
Process for producing olefins
Grant 7,858,787 - Drent , et al. December 28, 2
2010-12-28
Process For the Preparation of a Dicarboxylic Acid
App 20090131630 - Van Broekhoven; Johannes Adrianus Maria ;   et al.
2009-05-21
Process of preparing ethylene glycol
Grant 7,511,178 - Almeida Lenero , et al. March 31, 2
2009-03-31
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
Grant 7,491,859 - Drent , et al. February 17, 2
2009-02-17
Process of Preparing Glycolaldehyde
App 20090012333 - ALMEIDA LENERO; Karina Quetzaly ;   et al.
2009-01-08
Process of preparing glycolaldehyde
Grant 7,449,607 - Almeida Lenero , et al. November 11, 2
2008-11-11
Process for the Carbonylation of a Conjugated Diene
App 20080269433 - Drent; Eit ;   et al.
2008-10-30
Process for the Preparation of a Dicarboxylic Acid
App 20080269459 - Drent; Eit ;   et al.
2008-10-30
Process for the Carbonylation of a Conjugated Diene to a Dicarboxylic Acid
App 20080269520 - Drent; Eit ;   et al.
2008-10-30
Process for the hydroformylation of an ethylenically unsaturated compound
Grant 7,414,155 - Drent , et al. August 19, 2
2008-08-19
Process for the Preparation of a Dicarboxylic Acid
App 20080194870 - Drent; Eit ;   et al.
2008-08-14
Process For Producing Olefins
App 20080081909 - DRENT; Eit ;   et al.
2008-04-03
Process for the hydrocarboxylation of ethylenically unsaturated carboxylic acids
Grant 7,348,454 - Drent , et al. March 25, 2
2008-03-25
Process of Preparing Glycolaldehyde
App 20070249871 - Almeida Lenero; Karina Quetzaly ;   et al.
2007-10-25
Process For The Hydroformylation Of An Ethylenically Unsaturated Compound
App 20070238892 - DRENT; Eit ;   et al.
2007-10-11
Catalytic trimerization of olefinic monomers
Grant 7,273,959 - Drent , et al. September 25, 2
2007-09-25
Process for the carbonylation of ethylenically or acetylenically unsaturated compounds
Grant 7,265,242 - Drent , et al. September 4, 2
2007-09-04
Process for the hydroformylation of an ethylenically unsaturated compound
Grant 7,250,538 - Drent , et al. July 31, 2
2007-07-31
Hydroformylation process for the conversion of an ethylenically unsaturated compound to an alcohol
Grant 7,208,606 - Drent , et al. April 24, 2
2007-04-24
Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
Grant 7,202,193 - Drent , et al. April 10, 2
2007-04-10
Hydroformylation process for the conversion of an ethylenically unsaturated compound to an alcohol
Grant 7,186,868 - Drent , et al. March 6, 2
2007-03-06
Hydroformylation process for the conversion of an ethylenically unsaturated compound to an alcohol
App 20070032687 - Drent; Eit ;   et al.
2007-02-08
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Grant 7,161,043 - Drent January 9, 2
2007-01-09
Bidentate ligands for the carbonylation of unsaturated compounds
Grant 7,135,542 - Drent , et al. November 14, 2
2006-11-14
Process for the carbonylation of a conuugated diene
App 20060235241 - Drent; Eit ;   et al.
2006-10-19
Process for the hydrocarboxylation of ethylenically unsaturated carboxylic acids
App 20060224015 - Drent; Eit ;   et al.
2006-10-05
Process for the production of primary alcohols
Grant 7,098,369 - Drent , et al. August 29, 2
2006-08-29
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
Grant 7,057,082 - Drent , et al. June 6, 2
2006-06-06
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Grant 7,056,854 - Drent June 6, 2
2006-06-06
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
App 20060084832 - Drent; Eit ;   et al.
2006-04-20
Process for the carbonylation of pentenenitrile
Grant 7,026,473 - Drent , et al. April 11, 2
2006-04-11
Processes for the preparation of a carboxylic anhydride and use of the carboxylic anhydride as an acylation agent
Grant 6,984,755 - Drent , et al. January 10, 2
2006-01-10
Process for the production of primary alcohols
App 20050261527 - Drent, Eit ;   et al.
2005-11-24
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
App 20050256342 - Drent, Eit
2005-11-17
Process for the carbonylation of ethylenically or acetylenically unsaturated compounds
App 20050192457 - Drent, Eit ;   et al.
2005-09-01
Catalytic trimerization of olefinic monomers
App 20050113622 - Drent, Eit ;   et al.
2005-05-26
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
App 20050107625 - Drent, Eit
2005-05-19
Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
App 20050090694 - Drent, Eit ;   et al.
2005-04-28
Processes for the preparation of a carobxylic anhydride and use of the carboxylic anhydride as an acylation agent
App 20050059841 - Drent, Eit ;   et al.
2005-03-17
Process for the carbonylation of epoxides
App 20050014977 - Drent, Eit ;   et al.
2005-01-20
Process for the carbonylation of a conjugated diene
Grant 6,835,850 - Drent , et al. December 28, 2
2004-12-28
Bidentate ligands for the carbonylation of unsaturated compounds
App 20040259724 - Drent, Eit ;   et al.
2004-12-23
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
App 20040242949 - Drent, Eit ;   et al.
2004-12-02
Process for the carbonylation of pentenenitrile
App 20040230071 - Drent, Eit ;   et al.
2004-11-18
Process for the hydroformylation of ethylenically unsaturated compounds in the presence of an acid and a mono tert-phosphine
Grant 6,818,797 - Drent , et al. November 16, 2
2004-11-16
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
Grant 6,806,391 - Drent October 19, 2
2004-10-19
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
Grant 6,794,553 - Drent , et al. September 21, 2
2004-09-21
Process for the hydroformylation of an ethylenically unsaturated compound
App 20040167362 - Drent, Eit ;   et al.
2004-08-26
Process for the hydroformylation of ethylenically unsaturated compounds in the presence of an acid and a mono tert-phosphine
App 20040152923 - Drent, Eit ;   et al.
2004-08-05
Hydroformylation process for the conversion of an ethylenically unsaturated compound to an alcohol
App 20040152928 - Drent, Eit ;   et al.
2004-08-05
Process for the production of primary alcohols
App 20040133050 - Drent, Eit ;   et al.
2004-07-08
Process for the carbonylation of pentenenitrile
Grant 6,743,911 - Drent , et al. June 1, 2
2004-06-01
Process for the carbonylation of conjugated dienes
Grant 6,737,542 - Drent , et al. May 18, 2
2004-05-18
Process for the carbonylation of ethylenically unsaturated compounds
Grant 6,706,912 - Drent , et al. March 16, 2
2004-03-16
Process for the carbonylation of a conjugated diene
App 20040039226 - Drent, Eit ;   et al.
2004-02-26
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine composition used in this process
App 20040024247 - Drent, Eit
2004-02-05
Process for the carbonylation of ethylenically unsaturated compounds, bidentate diphosphine composition used in this process and a process for preparation of this bidentate diphosphine composition
App 20040024258 - Drent, Eit ;   et al.
2004-02-05
Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system
Grant 6,639,091 - Drent , et al. October 28, 2
2003-10-28
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
App 20030130544 - Drent, Eit ;   et al.
2003-07-10
Process for the carbonylation of formaldehyde
Grant 6,376,723 - Drent , et al. April 23, 2
2002-04-23
Process for the carbonylation of pentenenitrile
App 20020045748 - Drent, Eit ;   et al.
2002-04-18
Bidentate ligand, catalyst system containing such ligand and a process for the carbonylation of ethylenically or acetylenically unsaturated compounds using such a catalyst system
App 20020016484 - Drent, Eit ;   et al.
2002-02-07
Process for the carbonylation of ethylenically unsaturated compounds
App 20010044556 - Drent, Eit ;   et al.
2001-11-22
Process for the carbonylation of formaldehyde
App 20010039364 - Drent, Eit ;   et al.
2001-11-08
Diphosphines
Grant 6,156,934 - Suykerbuyk , et al. December 5, 2
2000-12-05
Process for the carbonylation of ethylenically unsaturated compounds
Grant 6,103,927 - August 15, 2
2000-08-15
Hydrogenolysis of glycerol
Grant 6,080,898 - Drent , et al. June 27, 2
2000-06-27
Carbonylation catalyst system and a process for the carbonylation of acetylenically unsaturated compounds
Grant 5,719,313 - Drent , et al. February 17, 1
1998-02-17
Carbonylation process
Grant 5,436,356 - Drent , et al. July 25, 1
1995-07-25
Process for the carbonylation of acetylenically unsaturated compounds
Grant 5,414,109 - Drent , et al. May 9, 1
1995-05-09
Catalyst composition for polymerizing carbon monoxide and ethylenically unsaturated hydrocarbons
Grant 5,369,074 - Drent * November 29, 1
1994-11-29
Carbonylation of epoxides
Grant 5,359,081 - Drent , et al. October 25, 1
1994-10-25
Carbonylation of conjugated dienes
Grant 5,350,876 - Drent , et al. September 27, 1
1994-09-27
Carbonylation of epoxides
Grant 5,310,948 - Drent , et al. May 10, 1
1994-05-10
Polymerization of CO/olefin with P bidentate ligand
Grant 5,247,064 - Drent September 21, 1
1993-09-21
Polymerization of CO/olefin with tetra ethyl diphosphine
Grant 5,210,177 - Drent May 11, 1
1993-05-11
Process for the preparation of alkanedioic acid derivatives
Grant 5,210,280 - Drent May 11, 1
1993-05-11
Carbonylation catalyst system
Grant 5,179,225 - Drent , et al. January 12, 1
1993-01-12
Process for the preparation of alpha,beta-olefinically unsaturated compounds
Grant 5,177,253 - Drent , et al. January 5, 1
1993-01-05
Carbonylation catalyst system
Grant 5,166,116 - Drent , et al. November 24, 1
1992-11-24
Carbonylation catalyst system
Grant 5,166,411 - Drent November 24, 1
1992-11-24
Carbonylation process
Grant 5,149,868 - Drent September 22, 1
1992-09-22
Carbonylation catalyst system
Grant 5,103,043 - Drent , et al. April 7, 1
1992-04-07
Carbonylation catalyst and process
Grant 5,099,062 - Drent , et al. March 24, 1
1992-03-24
Process for the selective preparation of alkenecarboxylic acid derivatives
Grant 5,028,734 - Drent July 2, 1
1991-07-02
Carbonylation catalyst system
Grant 5,028,576 - Drent , et al. July 2, 1
1991-07-02
.alpha.-olefin/carbon monoxide copolymers and catalyst and process for making
Grant 4,970,294 - Drent , et al. November 13, 1
1990-11-13
Process for the production of methanol and a composition suitable for use as a catalyst in said process
Grant 4,970,185 - Sie , et al. November 13, 1
1990-11-13
Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
Grant 4,960,926 - Drent October 2, 1
1990-10-02
Polyketone from carbon monoxide and mixture of olefins
Grant 4,880,903 - Van Broekhoven , et al. November 14, 1
1989-11-14
Polyketone preparation from regulated quotient mixture of olefins
Grant 4,868,282 - Van Broekhoven , et al. September 19, 1
1989-09-19
Process for the preparation of a diester of adipic acid
Grant 4,861,912 - Drent , et al. August 29, 1
1989-08-29
Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst
Grant 4,859,764 - Drent , et al. August 22, 1
1989-08-22
Catalytic preparation of polyketone from carbon monoxide and olefin
Grant 4,835,250 - Drent May 30, 1
1989-05-30
Process for the preparation of esters of alpha-ethylenically unsaturated alcohols and alpha-ethylenically unsaturated carboxylic acids
Grant 4,831,187 - Drent May 16, 1
1989-05-16
Catalyst for the carbonylation of conjugated dienes
Grant 4,824,817 - Drent April 25, 1
1989-04-25
Catalytic process for the preparation of polyketones from carbon monoxide and ethylenically unsaturated hydrocarbon
Grant 4,818,810 - Drent April 4, 1
1989-04-04
Catalytic process for preparing polymers of sulfur dioxide and olefin
Grant 4,808,697 - Drent February 28, 1
1989-02-28
Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
Grant 4,786,443 - Drent , et al. November 22, 1
1988-11-22
Catalytic process for polymerizing carbon monoxide and olefin(s) with nitrogen bidentate ligand
Grant 4,786,714 - Drent November 22, 1
1988-11-22
Process for the carbonylation of allenically unsaturated compounds
Grant 4,739,110 - Drent April 19, 1
1988-04-19
Process for the carbonylation of acetylenically unsaturated compounds
Grant 4,739,109 - Drent April 19, 1
1988-04-19
Process for the preparation of diesters of alkanedioic acids
Grant 4,730,080 - Drent March 8, 1
1988-03-08
Process for the preparation of unsaturated carboxylate esters
Grant 4,670,582 - Drent June 2, 1
1987-06-02
Process for the co-production of carboxylic acids and carboxylic acid esters
Grant 4,640,802 - Drent February 3, 1
1987-02-03
Process for the dimerization of olefins
Grant 4,634,793 - Drent January 6, 1
1987-01-06
Process for the preparation of carboxylic anhydrides
Grant 4,536,354 - Drent August 20, 1
1985-08-20
Preparation of carbamates
Grant 4,474,978 - Drent , et al. October 2, 1
1984-10-02
Process for the preparation of glycol aldehyde
Grant 4,414,421 - Drent November 8, 1
1983-11-08
Process for the preparation of glycol aldehyde
Grant 4,382,148 - Drent May 3, 1
1983-05-03
Process for the preparation of a hydrocarbon mixture
Grant 4,249,031 - Drent , et al. February 3, 1
1981-02-03

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