Assignee
CELANESE INT CORP
US333 patents
Top patents by PatentIndex Score
US7863489B2Jan 4, 2011
Direct and selective production of ethanol from acetic acid utilizing a platinum/tin catalyst
CELANESE INT CORP295 citations99
US6657078B2Dec 2, 2003
Low energy carbonylation process
CELANESE INT CORP467 citations99
US7608744B1Oct 27, 2009
Ethanol production from acetic acid utilizing a cobalt catalyst
CELANESE INT CORP333 citations98
US7208624B2Apr 24, 2007
Process for producing acetic acid
CELANESE INT CORP316 citations98
US6627770B1Sep 30, 2003
Method and apparatus for sequesting entrained and volatile catalyst species in a carbonylation process
CELANESE INT CORP347 citations98
US7223886B2May 29, 2007
Removal of permanganate reducing compounds from methanol carbonylation process stream
CELANESE INT CORP121 citations97
US6143930ANov 7, 2000
Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
CELANESE INT CORP424 citations97
US7994368B2Aug 9, 2011
Direct and selective production of acetaldehyde from acetic acid utilizing a supported metal catalyst
CELANESE INT CORP32 citations96
US7855306B2Dec 21, 2010
Process for the production of acetic acid
CELANESE INT CORP57 citations96
US7115772B2Oct 3, 2006
Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream
CELANESE INT CORP286 citations96
US6225498B1May 1, 2001
Method of removing organic iodides from organic media
CELANESE INT CORP58 citations96
US6057260AMay 2, 2000
Vinyl acetate catalyst comprising palladium, gold, copper and any of certain fourth metals
CELANESE INT CORP43 citations96
US6015769AJan 18, 2000
Vinyl acetate catalyst comprising metallic palladium, gold and copper supported on a carrier and prepared with potassium aurate
CELANESE INT CORP59 citations96
US7906680B2Mar 15, 2011
Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream
CELANESE INT CORP38 citations95
US7005541B2Feb 28, 2006
Low water methanol carbonylation process for high acetic acid production and for water balance control
CELANESE INT CORP370 citations95
US6339171B1Jan 15, 2002
Removal or reduction of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
CELANESE INT CORP154 citations95
US10590095B2Mar 17, 2020
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP12 citations94
US10590096B2Mar 17, 2020
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP11 citations94
US10590097B2Mar 17, 2020
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP12 citations94
US10590098B2Mar 17, 2020
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP12 citations94
US10233164B2Mar 19, 2019
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP16 citations94
US10233163B2Mar 19, 2019
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP17 citations94
US10227316B2Mar 12, 2019
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP17 citations94
US10208004B2Feb 19, 2019
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP17 citations94
US10029998B2Jul 24, 2018
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP19 citations94
US10030000B2Jul 24, 2018
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP22 citations94
US10029999B2Jul 24, 2018
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP21 citations94
US10023546B2Jul 17, 2018
Acesulfame potassium compositions and processes for producing same
CELANESE INT CORP18 citations94
US6852877B1Feb 8, 2005
Process for the production of vinyl acetate
CELANESE INT CORP92 citations94
US7498289B2Mar 3, 2009
Ni catalysts and methods for alkane dehydrogenation
CELANESE INT CORP14 citations93
US7227049B2Jun 5, 2007
Ni catalysts and methods for alkane dehydrogenation
CELANESE INT CORP15 citations93
US6818709B1Nov 16, 2004
Production of vinyl alcohol copolymers
CELANESE INT CORP29 citations93
US6768021B2Jul 27, 2004
Process improvement for continuous ethyl acetate production
CELANESE INT CORP188 citations93
US6017847AJan 25, 2000
Vinyl acetate catalyst prepared with potassium aurate and comprising metallic palladium and gold on a carrier precoated with copper
CELANESE INT CORP31 citations93
US7884237B2Feb 8, 2011
Methanol carbonylation with improved aldehyde removal
CELANESE INT CORP28 citations92
US7820855B2Oct 26, 2010
Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
CELANESE INT CORP23 citations92
US7820852B2Oct 26, 2010
Direct and selective production of ethyl acetate from acetic acid utilizing a bimetal supported catalyst
CELANESE INT CORP39 citations92
US7816565B2Oct 19, 2010
Direct and selective production of acetaldehyde from acetic acid utilizing a supported metal catalyst
CELANESE INT CORP24 citations92
USRE39175EJul 11, 2006
Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth
CELANESE INT CORP27 citations92
US6486093B2Nov 26, 2002
Vinyl acetate catalyst comprising metallic palladium and gold prepared with potassium aurate
CELANESE INT CORP26 citations92
US6441076B1Aug 27, 2002
Multifunctional poly(vinyl alcohol) binder for fine particle size calcium carbonate pigment
CELANESE INT CORP15 citations92
US6350900B1Feb 26, 2002
Vinyl acetate catalyst comprising metallic palladium and gold prepared with potassium aurate
CELANESE INT CORP30 citations92
US6303813B1Oct 16, 2001
Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
CELANESE INT CORP32 citations92
US6303537B1Oct 16, 2001
Vinyl acetate catalyst comprising metallic palladium and gold and prepared utilizing sonication
CELANESE INT CORP35 citations92
US6107514AAug 22, 2000
Vinyl acetate production using a catalyst comprising palladium and gold deposited on a copper containing carrier
CELANESE INT CORP23 citations92
US6096905AAug 1, 2000
Treatment of a composition comprising a trimethylolalkane bis-monolinear formal
CELANESE INT CORP16 citations92
US6013834AJan 11, 2000
Production of vinyl acetate in a catalytic reactor equipped with filter and distribution bed
CELANESE INT CORP22 citations92
US5859287AJan 12, 1999
Process for preparing vinyl acetate utilizing a catalyst comprising palladium, gold, and any of certain third metals
CELANESE INT CORP36 citations92
US5854171ADec 29, 1998
Honeycomb catalyst for vinyl acetate synthesis
CELANESE INT CORP20 citations92
US6765110B2Jul 20, 2004
Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
CELANESE INT CORP122 citations91
Showing the top 50 of 333 patents by PatentIndex Score.