Patents by Inventor Wilhelmus J. Wiegers
Wilhelmus J. Wiegers has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 5241089Abstract: Described are polyhydrodimethylnaphthalene spirofuran derivatives defined according to the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond a process for preparing same and uses thereof in augmenting, enhancing or imparting an aroma in or to perfume compositions, colognes and perfumed articles including but not limited to solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations.Type: GrantFiled: February 26, 1993Date of Patent: August 31, 1993Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Marie R. Hanna
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Patent number: 5219835Abstract: Described are polyhydrodimethylnaphthalene spirofuran derivatives defined according to the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond a process for preparing same and uses thereof in augmenting, enhancing or imparting an aroma in or to perfume compositions, colognes and perfumed articles including but not limited to solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations.Type: GrantFiled: October 23, 1992Date of Patent: June 15, 1993Assignee: International Flavors & Fragrance Inc.Inventors: Wilhelmus J. Wiegers, Marie R. Hanna
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Oxy-substituted-2-phenyl pyran derivatives and process for preparing same and perfumery uses thereof
Patent number: 4914083Abstract: Described are oxy-substituted-2-phenyl pyran derivatives defined according to the generic structure: ##STR1## wherein: (i) the dashed lines in the pyran ring each represents a carbon-carbon single bond; or one of the dashed lines is a carbon-carbon double bond and each of the other of the dashed lines in the pyran ring is a carbon-carbon single bond;(ii) wherein R.sub.2 represents lower alkyl and R.sub.1 is hydrogen; or(iii) R.sub.1 and R.sub.2 represented by the moiety: ##STR2## taken together represents methylene and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including but not limited to perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles, hair preparations and cosmetic powders.Type: GrantFiled: July 14, 1989Date of Patent: April 3, 1990Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Anton Van Ouwerkerk -
Patent number: 4681976Abstract: Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.Type: GrantFiled: March 21, 1986Date of Patent: July 21, 1987Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
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Patent number: 4668817Abstract: Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.Type: GrantFiled: March 21, 1986Date of Patent: May 26, 1987Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
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Patent number: 4666630Abstract: Described is a genus of norbornylbutadiene-acrolein adducts defined according to the structure: ##STR1## wherein one of X.sub.1 or X.sub.2 represents carboxaldehyde and the other of X.sub.1 or X.sub.2 represents hydrogen; wherein R.sub.1 and R.sub.2 taken together represent vinyl or ethylidene and R.sub.3 represents hydrogen or R.sub.2 and R.sub.3 taken together completes a cyclopenteno moiety and R.sub.1 represents hydrogen and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles (e.g., perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, hair preparations, hair sprays, bath preparations and the like).Type: GrantFiled: April 11, 1986Date of Patent: May 19, 1987Assignee: International Flavors & Fragrances Inc.Inventor: Wilhelmus J. Wiegers
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Patent number: 4666629Abstract: Described is an economical and novel process for preparing a mixture containing 2-campholenylidenbutanol having the structure: ##STR1## by means of reacting the compound having the structure: ##STR2## with hydrogen in the presence of a copper chromite catalyst having the formula:CuO.CuCr.sub.2 O.sub.4as well as uses of such mixtures in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including fabric softener compositions, cosmetic powders and solid or liquid anionic, cationic, nonionic or zwitterionic detergents.Type: GrantFiled: August 8, 1986Date of Patent: May 19, 1987Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker, William L. Schreiber
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Patent number: 4643903Abstract: Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.Type: GrantFiled: June 21, 1985Date of Patent: February 17, 1987Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
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Patent number: 4629805Abstract: Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.Type: GrantFiled: April 23, 1985Date of Patent: December 16, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
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Patent number: 4619781Abstract: Described is an economical and novel process for preparing a mixture containing 2-campholenylidenbutanol having the structure: ##STR1## by means of reacting the compound having the structure: ##STR2## with hydrogen in the presence of a copper chromite catalyst having the formula:CuO.CuCr.sub.2 O.sub.4as well as uses of such mixtures in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including fabric softener compositions, cosmetic powders and solid or liquid anionic, cationic, nonionic or zwitterionic detergents.Type: GrantFiled: September 20, 1985Date of Patent: October 28, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker, William L. Schreiber
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Patent number: 4620039Abstract: Described is a genus of norbornylbutadiene-acrolein adducts defined according to the structure: ##STR1## wherein one of X.sub.1 or X.sub.2 represents carboxaldehyde and the other of X.sub.1 or X.sub.2 represents hydrogen; wherein R.sub.1 and R.sub.2 taken together represent vinyl or ethylidene and R.sub.3 represents hydrogen or R.sub.2 and R.sub.3 taken together completes a cyclopenteno moiety and R.sub.1 represents hydrogen and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles (e.g., perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, hair preparations, hair sprays, bath preparations and the like).Type: GrantFiled: June 7, 1985Date of Patent: October 28, 1986Assignee: International Flavors & Fragrances Inc.Inventor: Wilhelmus J. Wiegers
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Patent number: 4614831Abstract: Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.Type: GrantFiled: September 3, 1985Date of Patent: September 30, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
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Patent number: 4608193Abstract: Processes and compositions are described for the use in foodstuff flavor and aroma and perfumes and perfumed articles aroma augmenting, modifying, altering and enhancing compositions and as foodstuff, chewing gum, toothpaste, medicinal product, perfumes and perfumed articles aroma imparting materials of tricyclic isochroman mixtures wherein in the mixtures each of the compounds is defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent methyl or hydrogen with the proviso that when one of R.sub.1, R.sub.2 and R.sub.3 is methyl, the other of R.sub.1, R.sub.2 and R.sub.3 represents hydrogen.Addition of said tricyclic isochroman mixtures is indicated to produce:a. In food flavorings a sweet, musky aroma and taste; andb. In perfumes and perfumed articles and colognes a sweet, musk aroma.Type: GrantFiled: August 13, 1985Date of Patent: August 26, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Roger Greene, Domenick Luccarelli, Jr., Marie Hanna
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Patent number: 4604232Abstract: Described are the compounds defined according to the generic structure: ##STR1## wherein R represents hydrogen or methyl and one of the dashed lines represents a carbon-carbon double bond and each of the other of the dashed lines represent carbon-carbon single bonds. Also described are mixtures of methyl-substituted cyclohexenyl acetaldehydes defined according to the structure: ##STR2## a sub-genus of the genus having the structure: ##STR3## wherein one of the dashed lines represents a carbon-carbon double bond and the other of the dashed lines represents a carbon-carbon single bond and R represents hydrogen or methyl, and uses thereof in augmenting or enhancing the aroma or taste of consumable materials, including perfume compositions, colognes, perfumed articles, perfumed polymers, foodstuffs, chewing gums, medicinal products and toothpastes.Type: GrantFiled: March 15, 1985Date of Patent: August 5, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Manfred H. Vock
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Patent number: 4604487Abstract: Described is a method for producing the substantially pure compound defined according to the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as perfumed polymers and solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions and fabric softener articles. Also described are processes and compositions for use in perfume aroma augmenting, enhancing, modifying and altering compositions and as perfume, cologne and perfumed article aroma imparting compositions of mixtures of the compound having the structure: ##STR2## taken further together with one or more butanolyl cyclohexane derivatives and/or 3-methyl-1-phenyl-pentanol-5.The process for preparing the compound having the structure: ##STR3## involves a one-step reaction wherein the compound having the structure: ##STR4## is hydrogenated in the presence of acid.Type: GrantFiled: June 21, 1985Date of Patent: August 5, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker
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Patent number: 4569771Abstract: Described is a process for augmenting or enhancing the aroma of a drier-added fabric softener article or solid or liquid anionic, cationic, nonionic or zwitterionic detergent comprising the step of adding to the fabric softener article or detergent a composition of matter comprising a compound having the structure: ##STR1## wherein R is methyl or ethyl and intimately admixed therewith a compound selected from the group consisting of:(a) a compound having the structure: ##STR2## (b) 3-methyl-1-phenyl-pentanol-5; and (c) at least one butanoyl cyclohexane derivative defined according to the structure: ##STR3## wherein one or two of the dashed lines represent carbon-carbon double bond and the other of the dashed lines represent carbon-carbon single bonds with the proviso that when the dashed lines represent two carbon-carbon double bonds, said carbon-carbon double bonds are conjugated.Type: GrantFiled: December 21, 1984Date of Patent: February 11, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker
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Patent number: 4568470Abstract: Described for use in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes and perfumed articles, foodstuffs, chewing gums, toothpastes and medicinal products are the cis and/or trans isomers of the macrocyclic lactone defined according to the structure: ##STR1## produced according to the process of first reacting the ester defined according to the structure: ##STR2## with the alkenol having the structure: ##STR3## in order to produce the di-unsaturated ester having the structure: ##STR4## and then causing the said diester to undergo an internal metathesis to form the compound having the structure: ##STR5##Type: GrantFiled: January 15, 1985Date of Patent: February 4, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Augustinus G. Van Loveren, Marie R. Hanna, Domenick Luccarelli, Jr., David R. Bowen, Manfred H. Vock, Wilhelmus J. Wiegers
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Patent number: 4560500Abstract: Described is a genus of norbornylbutadiene-acrolein adducts defined according to the structure: ##STR1## wherein one of X.sub.1 or X.sub.2 represents carboxaldehyde and the other of X.sub.1 or X.sub.2 represents hydrogen; wherein R.sub.1 and R.sub.2 taken together represent vinyl or ethylidene and R.sub.3 represents hydrogen or R.sub.2 and R.sub.3 taken together completes a cyclopenteno moiety and R.sub.1 represents hydrogen and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles (e.g., perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, hair preparations, hair sprays, bath preparations and the like).Type: GrantFiled: May 24, 1984Date of Patent: December 24, 1985Assignee: International Flavors & Fragrances Inc.Inventor: Wilhelmus J. Wiegers
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Patent number: 4559168Abstract: Described for use in augmenting or enhancing the aroma or taste of consumable materials including perfume compositions, colognes and perfumed articles, foodstuffs, chewing gums, toothpastes and medicinal products are the cis and/or trans isomers of the macrocyclic lactone defined according to the structure: ##STR1## produced according to the process of first reacting the ester defined according to the structure: ##STR2## with the alkenol having the structure: ##STR3## in order to produce the di-unsaturated ester having the structure: ##STR4## and then causing the said diester to undergo an internal metathesis to form the compound having the structure: ##STR5##Type: GrantFiled: February 6, 1985Date of Patent: December 17, 1985Assignee: International Flavors & Fragrances Inc.Inventors: Augustinus G. Van Loveren, Marie R. Hanna, Domenick Luccarelli, Jr., David R. Bowen, Manfred H. Vock, Wilhelmus J. Wiegers
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Patent number: 4554096Abstract: Described is a method for producing the compound defined according to the structure: ##STR1## as well as optical isomers thereof having the structures: ##STR2## as well as uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as perfumed polymers and solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions and fabric softener articles. Also described are processes and compositions for use in perfume aroma augmenting, enhancing, modifying and altering compositions and as perfume, cologne and perfumed article aroma imparting compositions of mixtures of the compound having the structure: ##STR3## taken further together with one or more butanoyl cyclohexane derivatives and/or 3-methyl-1-phenyl-pentanol-5. The processfor preparing the compound having the structure: ##STR4## involves a one-step reaction wherein the compound having the structure: ##STR5## is hydrogenated in the presence of acid.Type: GrantFiled: October 1, 1984Date of Patent: November 19, 1985Assignee: International Flavors & Fragrances Inc.Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker