U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 568/908 - Ethylenically unsaturated hydroxy compound produced


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein an ethylenically unsaturated -OH containing
No. of patents: 36
Last issue date: 07/15/2008


NumberTitleIssue Date
7399891Process for alcohol production by selective ether decomposition
This invention relates to a process for the production of an alcohol, the process comprising (a) reacting an olefin and water in the presence of a catalyst under conditions sufficient to form a crude alcohol stream comprising alcohol, and a dialkyl ether; (b) separa...
07/15/2008
7282192Mixed metal oxide containing sulfur
The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ...
10/16/2007
7166753Process for production of hydrogen and carbonyl compounds by reacting sub- or super-critical water with alcohols
A process for producing a carbonyl compound involves allowing water to undergo phase transition to a supercritical or subcritical state in the presence of an alcohol compound so as to produce/generate water-derived hydrogen and at the same time convert the alcohol c...
01/23/2007
7161047Process for preparing secondary alcohol
A process for preparing a secondary alcohol which is characterized in adding a primary or a secondary amine in the reaction system in case that the secondary alcohol is prepared by hydrogenating in the presence of a noble metal, an epoxy derivative represented by th...
01/09/2007
7102037Selective decomposition of ethers
A process for selectively converting a dialkyl ether to the corresponding alkene and alkanol comprises contacting a feed containing at least one dialkyl ether with a catalyst comprising a mixed metal oxide which comprises at least one metal selected from Group 4 of ...
09/05/2006
6897343Process for the preparation of propanediol
The invention relates to a process for the preparation of 1,2-propanediol from propylene oxide, which process involves contacting propylene oxide with carbon dioxide in the presence of a homogeneous phosphorus containing catalyst to obtain propylene carbonate, optio...
05/24/2005
6803491Preparation of lithium phosphate catalysts
A new method for preparing lithium phosphate catalysts is disclosed. The method comprises precipitating a lithium phosphate from a mixture comprising a first aqueous solution which contains lithium and sodium ions and a second aqueous solution which contains phospha...
10/12/2004
6790999Process for the production of 3-buten-1-ol
Disclosed is a process for the continuous, semi-continuous or batch production of 3-buten-1-ol from 3,4-epoxy-1-butene wherein 3,4-epoxy-1-butene and formic acid are fed to a reaction zone having a catalyst solution comprising a palladium(0) compound, a tertiary pho...
09/14/2004
6696612Process for producing isobutylene and methanol
A process for producing isobutylene and methanol, comprising decomposing methyl-tert-butylether into isobutylene and methanol, and separating into isobutylene and methanol, thereby individually recovering isobutylene and methanol, the process comprising t...
02/24/2004
6103943Preparation of 3-buten-1-ol from 3,4-epoxy-1-butene
Disclosed is a process for the synthesis of 3-buten-1-ol by contacting 3,4-epoxy-1-butene and formic acid with a homogeneous catalyst solution comprising a palladium(0) compound, a tertiary phosphine and a trialkylamine dissolved in tetrahydrofuran....
08/15/2000
5600033Epoxide isomerization catalysts
Improved catalysts for isomerizing epoxides to allylic alcohols are disclosed. The catalysts contain lithium phosphate supported on high-purity silica. The use of high-purity silica as a support results in improved epoxide conversion and allylic alcohol s...
02/04/1997
5600034Method for producing allyl alcohols
A method for producing allyl alcohols, which comprises heat-treating diallyl ethers in the presence of a catalyst containing a palladium compound and a phosphorus compound to convert them to allyl alcohols, wherein the heat treatment is conducted under su...
02/04/1997
5457247Process for preparing (s)- and (r) -but-3-en-2-ol and the derivatives thereof from l-or d-lactic acid esters
A novel process for preparing enantiomerically pure (S)- or (R)-but-3-en-2-ol compounds includes the following reaction steps: (a) reacting an alkyl ester of D- or L-lactic acid with a hydropyran compound to obtain a lactate ester having a hydropyranyl ether g...
10/10/1995
5406007Process for the production of unsaturated alcohols
Disclosed is a process for the conversion of conjugated epoxyalkenes to unsaturated alcohols wherein a conjugated epoxyalkene is catalytically hydrogenated in the presence of a sulfur-modified or sulfided nickel catalyst whereby the epoxide ring is hydrog...
04/11/1995
5292974Alkylene oxide isomerization process and catalyst
An improved alkylene oxide isomerization catalyst and process are disclosed. The catalyst comprises lithium phosphate and a neutral inorganic support. A key feature of the invention is that the lithium phosphate is distributed homogeneously and principall...
03/08/1994
5113003Silicon-containing phenoxy ethers, polymers thereof, and use of such polymers
The silicon-containing phenoxy ethers are of the formula III: ##STR1## wherein R1 and R2 which may be the same or different are selected from H, --R3 --X, aliphatic hydrocarbyl having 1-6 carbon atoms or aryl, or subs...
05/12/1992
5087773Selective tellurium-mediated synthesis of optically active E- or Z-allyl alcohols from optically active epoxy alcohols
Threo- and erythro- epoxy alcohols are converted in high yield to trans- and cis-allyl alcohols, respectively. The threo epoxy alcohol or erythro-epoxy alcohol is reacted with a toluenesulfonic anhydride to form a threo- or erythro- glycidyl tosylate. The...
02/11/1992
5004843Process for producing allylic alcohols
Process for preparing predominantly Z-substituted allylic alcohols of the formula: ##STR1## wherein R1 is a straight or branched C1 -C25 alkyl group optionally bearing at least one substituent and/or at least one ...
04/02/1991
4973765Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
Dien-1-ols of the general formula I ##STR1## where the radicals R1 to R7 are identical to or different from one another and each is hydrogen or straight-chain or branched alkyl of 1-12 carbon atoms and n is 1-14, are prepared by...
11/27/1990
4935451Conversion of optically active epoxy alcohols to allylic alcohols
A two step procedure converts an epoxide residue from a Sharpless kinetic resolution of secondary allyl alcohols into an allyl alcohol of the desired chirality. The Sharpless system selectively epoxidizes one enantiomer of the allyl alcohol and leaves the...
06/19/1990
4925991Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
Dien-1-ols of the general formula I ##STR1## where the radicals R1 to R7 are identical to or different from one another and each is hydrogen or straight-chain or branched alkyl or 1-12 carbon atoms and n is 1-14, are prepared by...
05/15/1990
4720598Process for preparing a basic lithium phosphate catalyst for the isomerization of alkene oxides
Process for preparing a basic lithium phosphate catalyst suitable for the gas phase isomerization of an alkene oxide to the corresponding alcohol, in which process an aqueous solution of a lithium compound is mixed in the presence of an alkali metal hydro...
01/19/1988
4590300Preparation of allylic compounds
Allyl methyl ethers are transetherified with alcohols by use of a catalyst of a solid acid that contains no mercury or cuprous salt catalyst....
05/20/1986
4267363Intermediates for a sex pheramone for yellow scale
Synthesis and intermediates for making an insect pheromone useful in the control of the yellow scale....
05/12/1981
4228093(11Z,13Z)-11,13-Hexadecadiyn-1-ol and (11Z,13Z)-11,13-hexadecadien-1-ol and trimethylsilyl ethers thereof
Synthesis of an attractant (11Z,13Z)-11,13-hexadecadienal for the navel orangeworm Amyelois transitella, and intermediates therefor....
10/14/1980
4189614Process for the stereo specific preparation of sexual pheromones
A process for the stereoselective preparation of sexual pheromones is disclosed. The process involves reacting a compound of the formula ##STR1## in which the conjugated diene is of the trans-trans (E--E) stereochemical configuration with a compound ...
02/19/1980
4178297Preparation of unsaturated alcohols and intermediates therein
This invention relates to the preparation of unsaturated alcohols useful as flavor and fragrance compounds. More specifically, this invention relates to the preparation of predominately cis-unsaturated alcohols by reacting a cis-1-alkenylaluminum dialkyl ...
12/11/1979
4133815Preparation of unsaturated alcohols
This invention relates to the preparation of unsaturated alcohols useful as flavor and fragrance compounds. More specifically, this invention relates to the preparation of predominantly cis-unsaturated alcohols by reacting a cis-1-alkenylaluminum dialkyl ...
01/09/1979
4110357Intermediates for preparation of unsaturated alcohols
This invention relates to the preparation of unsaturated alcohols useful as flavor and fragrance compounds. More specifically, this invention relates to the preparation of predominately cis-unsaturated alcohols by reacting a cis-1-alkenyl-aluminum dialkyl...
08/29/1978
4069260Preparation of unsaturated alcohols
This invention relates to the preparation of unsaturated alcohols useful as flavor and fragrance compounds. More specifically, this invention relates to the preparation of predominately cis-unsaturated alcohols by reacting a cis-1-alkenylaluminum dialkyl ...
01/17/1978
4065510Production of an alkenol from an alkene oxide
Lithium phosphate catalysts for the rearrangement of alkene oxides to the corresponding alkenols are prepared as overcoats on inert carriers. The catalysts are prepared for example by overcoating the inert carrier with the lithium phosphate in the presenc...
12/27/1977
4052478Method for preparation of alkyl-substituted butadienes
A method for forming monoolefinic alcohols and optionally alkyl-substituted conjugated dienes. A lower alcohol is oxidized to the aldehyde, and the aldehyde separated from the product mixture by reaction with a monoolefinic alcohol to form a hemialdehyde....
10/04/1977
3993702Production of unsaturated alcohols
A method for forming monoolefinic alcohols and optionally alkyl-substituted conjugated dienes. A lower alcohol is oxidized to the aldehyde, and the aldehyde separated from the product mixture by reaction with a monoolefinic alcohol to form a hemialdehyde....
11/23/1976
3960977Process for the preparation of poly-unsaturated hydrocarbons
Process for the preparation of poly-unsaturated hydrocarbons, in particular undeca-1,3,5-triene, which comprises reacting a quaternary phosphonium salt with hexanal. The product obtained in accordance with the process of the invention is a useful perfumin...
06/01/1976
39535324,8-Tridecadien-1-ol,4 cis,8 cis,trans
Synthesis of the sex pheromone, (7Z,11Z/E)-7,11-hexadecadienyl acetate, of the pink bollworm moth, Pectinophora gossypiella, and intermediates therefor....
04/27/1976
3943157Synthesis of codling moth attractant
Sterospecific synthesis of an attractant for the codling moth by reacting sorbic aldehyde with an organo-metallic reagent to yield a 1-ether of trans-8-trans-10-dodecadiene-1,7-diol which is reduced via a 7-sulfonic acid ester to yield an ether of trans-8...
03/09/1976
 
Sign InRegister
Username  
Password   
forgot password?