Patents Assigned to Henkel Research Corporation
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Patent number: 5352604Abstract: A proteolytic enzyme for use in detergent formulations having increased pH and oxidative stability under typical laundering conditions in aqueous solutions is produced by fermenting Bacillus licheniformis host strain transformed by a multicopy plasmid comprised of DNA sequences which code for the desired proteolytic enzyme.Type: GrantFiled: March 10, 1993Date of Patent: October 4, 1994Assignee: Henkel Research CorporationInventors: Charles R. Wilson, Beth F. Ladin, Jonathan R. Mielenz, Sherman S. M. Hom, Dieter Hansen, Robert B. Reynolds, Nicholas C. T. Kennedy, Joachim Schindler, Michael Bahn, Rolf Schmid, Martina Markgraf, Christian Paech, Karlheinz Maurer
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Patent number: 5326888Abstract: A process for the carbonylation of allylic alcohols such as nerolidol, farnesol, or their monocyclic analogues with carbon monoxide at a pressure of at least 30 bar in the presence of a polar solvent and a palladium halide catalyst, optionally an alkali metal halide salt, and optionally an alcoholic solvent. The carbonylated product may then be reduced to the corresponding alcohol, which is cyclized in the presence of Lewis or Bronsted acids to afford an ambergris fragrance compound.Type: GrantFiled: October 9, 1990Date of Patent: July 5, 1994Assignee: Henkel Research CorporationInventors: Jonathan M. Cassel, Steven M. Hoagland, James M. Renga
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Patent number: 5254466Abstract: The POX genes of C. tropicalis are disrupted resulting in the complete blockage of the beta-oxidation pathway in the strain. Fermentation of C. tropicalis cells having disrupted genes on alkane, fatty acid and fatty acid ester substrates produces substantially pure dicarboxylic acids in substantially quantitative yield.Type: GrantFiled: November 6, 1989Date of Patent: October 19, 1993Assignee: Henkel Research CorporationInventors: Stephen Picataggio, Kristine Deanda, L. Dudley Eirich
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Patent number: 5236909Abstract: Octyl ethers and octadienyl ethers of glucose, sucrose, are disclosed. Compositions comprised of a mixture of octyl ethers of glucose and sucrose and those containing octadienyl ethers of sugar acids are also disclosed.Type: GrantFiled: March 26, 1991Date of Patent: August 17, 1993Assignees: Henkel Research Corporation, Zucker-Aktiengesellschaft Uelzen-BraunschweigInventors: Bert Gruber, Kenneth J. Weese, Hans-Peter Mueller, Karlheinz Hill, Arno Behr, James R. Tucker
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Patent number: 5216173Abstract: Polyfunctional N-cyanoimides and their precursors and derivatives are disclosed along with methods for their preparation and interconversion. Also disclosed are curable compositions comprising the N-cyanoimides or poly(amide-cyanoamides) and reactive diluents as well as novel dianhydrides, polyimides, and poly(amide-cyanoamides) and methods for making them.Type: GrantFiled: July 23, 1990Date of Patent: June 1, 1993Assignee: Henkel Research CorporationInventors: Randall Stephens, Linda A. Domeier
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Patent number: 5212261Abstract: Latent, heat-curable epoxy resin compositions containing metal carboxylate curing systems provide exceptional latency, particularly at elevated temperature, as well as facile curing, high T.sub.g and adhesive strength, and other attractive properties. The metal carboxylates comprise alkali metals and alkaline earth metals, aromatic and aliphatic metal carboxylates. The preferred curing systems comprise synergistic combinations of the metal carboxylates with cure modifiers.Type: GrantFiled: December 17, 1990Date of Patent: May 18, 1993Assignee: Henkel Research CorporationInventor: Thomas J. Stierman
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Patent number: 5206396Abstract: Octyl ethers and octadienyl ethers of glucose, sucrose, bisphenol A, 4-substituted-2,2,6,6-tetramethylpiperidines are disclosed. Compositions comprised of a mixture of octyl ethers of glucose and sucrose and those containing octadienyl ethers of sugar acids and ring-opened epoxidized octadienyl ethers are also disclosed as are telomerization processes.Type: GrantFiled: July 25, 1990Date of Patent: April 27, 1993Assignee: Henkel Research CorporationInventors: Bert Gruber, Kenneth J. Weese, Steven M. Hoagland, Hans-Peter Mueller, Karlheinz Hill, Arno Behr, James R. Tucker
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Patent number: 5204252Abstract: A transformation system is provided for C. tropicalis, comprising constructs and microorganisms, as well as methods for preparing constructs and microorganisms, and transforming microorganisms. Particularly, a yeast transformation system comprising auxotrophic hosts which are auxotrophic in either an amino acid, purine or pyrimidine pathways and employ DNA constructs comprising genes encoding biosynthetic enzymes which functionally complement the auxotrophies to prototrophies.Type: GrantFiled: July 27, 1989Date of Patent: April 20, 1993Assignee: Henkel Research CorporationInventors: James M. Cregg, Martin A. Gleeson, Lisa Haas, Stephen Picataggio
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Patent number: 5189190Abstract: Vicinal substituted C.sub.4 -C.sub.24 carboxylic acid derivatives and their silane and siloxane derivatives as well as polymers and copolymers of silane and siloxane derivatives are disclosed. The compounds are useful as coupling agents, emulsifiers and demulsifiers, textile processing aids, and cosmetic additives.Type: GrantFiled: August 20, 1990Date of Patent: February 23, 1993Assignee: Henkel Research CorporationInventors: Ta Y. Ching, Lon-Tang W. Lin
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Patent number: 5179172Abstract: Curing agents for epoxy resins composed of (a) the reaction product of a co-reactant comprising either an epichlorohydrin (co) polymer or a (co)polymer of a chlorovinyl acetate, chloroalkyl acrylate with an organic amino compound containing at least one active hydrogen and having a pK.sub.B value within the range of from about 7 to about 9, preferably imidazole and substituted imidazoles; (b) an N-fatty imidazole and (a); (c) an N-fatty imidazole and an elastomeric polymer are disclosed. The curing agents are essentially water insoluble and give rise to epoxy resins which may be cured at relatively low temperatures below about 100.degree. C. The epoxy resins are suitable for use as adhesives, coatings and in composite applications.Type: GrantFiled: November 21, 1990Date of Patent: January 12, 1993Assignee: Henkel Research CorporationInventors: Richard M. Chan, Ta Y. Ching, Ta-Wang Lai
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Patent number: 5158603Abstract: An improved extraction system employing a quaternary amine to extract anions from an aqueous solution, particularly precious metals such as gold or silver from an aqueous alkaline solution. The improvement comprises the use of a weak organic acid (a compound providing an acidic proton) along with the quaternary amine. The improvement is useful in both liquid-liquid and liquid-solid extraction systems.Type: GrantFiled: March 6, 1990Date of Patent: October 27, 1992Assignee: Henkel Research CorporationInventors: Thomas J. Stierman, Michael J. Virnig, Gary A. Kordosky
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Patent number: 5106541Abstract: Oligomers and addition products obtained from the reaction of a saturated or olefinically unsaturated carboxylic acid, alcohol, ether, or ester with a substituted or unsubstituted acetic anhydride in the presence of a Mn compound, and processes for their preparation.Type: GrantFiled: January 9, 1990Date of Patent: April 21, 1992Assignee: Henkel Research CorporationInventors: William E. Fristad, Alan G. Olivero, Steven Young, Christopher S. Sykes, Brock M. Siegel
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Patent number: 5077447Abstract: Carboxylic acids are converted in high yields to olefins or high purity .alpha.-olefins by contacting a mixture of carboxylic acid and a carboxylic acid anhydride in the presence of a Group VIII metal or copper-containing catalyst at a temperature of from about 100.degree. C. to about 300.degree. C.Type: GrantFiled: September 28, 1990Date of Patent: December 31, 1991Assignee: Henkel Research CorporationInventors: Joseph A. Miller, Jeffrey A. Nelson, Mike Byrne
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Patent number: 5072013Abstract: Silylated octenyl ethers are used to treat concrete to seal it against penetration by aqueous electrolyte solutions.Type: GrantFiled: April 16, 1991Date of Patent: December 10, 1991Assignee: Henkel Research CorporationInventors: Ta Y. Ching, Lon T. W. Lin, Bert Gruber, Edgar Koeppelman
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Patent number: 5032323Abstract: Epoxides are isomerized to ketones by contacting the epoxides with a catalyst effective amount of a substantially fully hydrogenated palladium catalyst at a temperature of from about 200.degree. C. to about 300.degree. C. while contacting the epoxides with hydrogen at a partial pressure of equal to or less than one atmosphere.Type: GrantFiled: March 28, 1990Date of Patent: July 16, 1991Assignee: Henkel Research CorporationInventor: Michael J. Virnig
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Patent number: 5028259Abstract: An improved process for recovery for precious metals such as gold and silver from aqueous cyanide solutions by contact with certain guanidine reagents. The guanidine reagents not only extract the precious metal but may provide advantages in selectivity of gold over other metals, such as tetra- and pentahydrocarbon substituted non-resin guanidine reagents and tri- and tetra-hydrocarbon substituted resin guanidine reagents.Type: GrantFiled: March 6, 1991Date of Patent: July 2, 1991Assignee: Henkel Research CorporationInventors: Lon-Tang W. Lin, Phillip L. Mattison, Michael J. Virnig
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Patent number: 5019297Abstract: Olefinically unsaturated secondary alcohols in which the carbon-carbon double bond and the alcohol functionality are separated only by methylene groups are isomerized to ketones by reacting a mixture composed of an olefinically unsaturated secondary alcohol and a catalyst effective amount of a substantially fully hydrogenated palladium catalyst at a temperature of from about 200.degree. C. to about 300.degree. C. and passing hydrogen through the reaction mixture until the iodine number of said reaction mixture is less than 10 and separating the catalyst from the ketone.Type: GrantFiled: April 18, 1989Date of Patent: May 28, 1991Assignee: Henkel Research CorporationInventor: Michael J. Virnig
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Patent number: 5011934Abstract: Imidazoles are alkylated at the 1-position by adding an alkyl halide a mixture comprising an imidazole, a non-reactive aromatic solvent and a base at temperature of from about 75.degree. C. to about 115.degree. C. and then maintaining the temperature for a period of time sufficient to produce the 1-alkylimidazole and then separating any inorganic material from the product.Type: GrantFiled: June 19, 1990Date of Patent: April 30, 1991Assignee: Henkel Research CorporationInventors: Heinz-Guenther Schulte, Jeffrey L. Narum, Michael R. Johnson
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Patent number: 4996342Abstract: Vicinal substituted C.sub.4 -C.sub.24 carboxylic acid derivatives and their silane and siloxane derivatives as well as polymers and copolymers of silane and siloxane derivatives are disclosed. The compounds are useful as coupling agents, emulsifiers and demulsifiers, textile processing aids, and cosmetic additives.Type: GrantFiled: February 8, 1989Date of Patent: February 26, 1991Assignee: Henkel Research CorporationInventors: Ta Y. Ching, Lon-Tang W. Lin
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Patent number: 4959488Abstract: Polyfunctional hexasubstituted benzene derivatives wherein at least three of the substituents are saturated carbon chains having from 1 to 21 carbon atoms and functional groups containing hetero functionalities at the ends of the carbon chains and the remainder of the 6 substituents are either saturated carbon chains containing from 1 to 21 carbon atoms or saturated carbon chains containing from 1 to 21 carbon atoms having a functional group including a hetero functional group containing N, O, S, P, or Si at the end of the chains. These derivatives are made by reacting a disubstituted alkyne wherein one or both of the substituents are saturated carbon chains having 1 to 21 carbon atoms to which hetero functional groups are attached with a palladium catalyst and isolating the resulting hexasubstituted benzene derivative.Type: GrantFiled: May 17, 1989Date of Patent: September 25, 1990Assignee: Henkel Research CorporationInventors: James M. Renga, Alan G. Olivero, Mark Bosse