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Class Information
Number: 568/857
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Acyclic > Polyhydroxy > Ethylenically unsaturated
Description: Compounds which include ethylenic unsaturation.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8658841 Process for the preparation of alkylene glycol Feb. 25, 2014
8575402 Process for the production of alkylene glycol Nov. 5, 2013
8530703 Multihydric compound dehydration systems, catalyst compositions, and methods Sep. 10, 2013
8502000 Method of making glycerol Aug. 6, 2013
8153847 Hydrogenolysis of glycerol and products produced therefrom Apr. 10, 2012
8075642 Single-reactor process for producing liquid-phase organic compounds from biomass Dec. 13, 2011
7960496 Method for preparing polymer polyol stabilizer using maleic anhydride, and polymer polyol stabilizer prepared thereby Jun. 14, 2011
7605292 Method for the separation of polymeric by-products from 1,4-butynediol Oct. 20, 2009
7572941 Method for the separation of polymeric by-products from 1,4-butynediol Aug. 11, 2009
7541501 Process for the preparation of 2-butene-1,4-diol Jun. 2, 2009
7453014 Process for the preparation of alkylene glycol Nov. 18, 2008
7176336 Process for the synthesis of unsaturated alcohols Feb. 13, 2007
7002049 Process for .alpha.,.beta.-dihydroxyalkenes and derivatives Feb. 21, 2006
6953868 Oxyfunctionalization of polyolefins Oct. 11, 2005
6911566 Process for producing 1,3-propanediol Jun. 28, 2005
6610895 Process for the preparation of a diol Aug. 26, 2003
6600062 Preparation of chiral 6,7-dihydroxy geranyloxy compounds Jul. 29, 2003
6579725 Linkers for synthesis of oligosaccharides on solid supports Jun. 17, 2003
6555720 Method and system for producing 1,4-butanediol Apr. 29, 2003
6528689 Noble metal containing hydrogenation catalyst for selective hydrogenation of 1, 4 butynediol to 1, 4 butenediol, and a process for the preparation thereof Mar. 4, 2003
6469221 Process for the conversion of 1, 4 butynediol to 1, 4 butanediol, or a mixture of 1, 4 butenediol and 1,4 butanediol Oct. 22, 2002
6462207 Polyethylene glycol diene derivatives Oct. 8, 2002
6420615 Process for the conversion of 1,4 butynediol to 1,4 butenediol Jul. 16, 2002
6365790 Preparation of C10-C30-alkenes by partial hydrogenation of alkynes over fixed-bed supported palladium catalysts Apr. 2, 2002
6333441 Preparation of cis--olefins Dec. 25, 2001
6331657 Process for preparing higher oxo alcohols from olefin mixtures by two-stage hydroformylation Dec. 18, 2001
6307067 Palladium and boron co-catalyzed addition of oxygen nucleophiles to vinyl epoxides Oct. 23, 2001
6278031 Catalyst and process for preparing 2-buten-1-ol compounds Aug. 21, 2001
6239318 Process for the selective hydrogenation of hydroformylation mixtures May. 29, 2001
6207865 Method for the hydrogenation of carbonyl compounds Mar. 27, 2001
6075060 Trans olefinic diols with surfactant properties Jun. 13, 2000
5959162 Process for the preparation of 2-alkene-1,4-diols and 3-alkene-1,2-diols from .gamma.,.delta.-epoxyalkenes Sep. 28, 1999
5959163 Process for the preparation of 1,4-butenediol from epoxybutene Sep. 28, 1999
5856591 Process for the separation of 2-alkene-1,4-diols and 3-alkene-1,2-diols from catalysts Jan. 5, 1999
5811601 Isomerization of vinyl glycols to unsaturated diols Sep. 22, 1998
5731383 Difunctional telechelic linear non-crosslinked polyolefins Mar. 24, 1998
5728900 Process for the selective hydrogenation of butyne-1,4-diol to butene-2-diol-1,4 Mar. 17, 1998
5714644 Process and catalyst for the selective hydrogenation of butynediol to butenediol Feb. 3, 1998
5559190 Difunctional telechelic linear non-crosslinked polyolefins Sep. 24, 1996
5530167 Process for the preparation of 1,4-butenediol Jun. 25, 1996
5498734 Preparation and use of (2-butene-1,4-diyl)magnesium complexes in organic synthesis Mar. 12, 1996
5397810 Polyol, polyurethane resin and utilization thereof Mar. 14, 1995
5336815 Preparation of vinyl glycols Aug. 9, 1994
5324869 Substituted-acyclic terpene compound Jun. 28, 1994
5292907 Process for the manufacture of (6E)-leukotriene B.sub.4 and intermediates of the said manufacturing process Mar. 8, 1994
5264638 Process for extraction and purification of plaunotol Nov. 23, 1993
5260495 Monoalkylene glycol production using highly selective monoalkylene glycol catalysts Nov. 9, 1993
5216181 Liquid telechelic polymers having high 1,4-diene structure Jun. 1, 1993
5149843 Conjugated diene compounds Sep. 22, 1992
5126268 Alcohol-ester sparation by reaction with acetate Jun. 30, 1992

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