Patents by Inventor Mark A. Sprecker

Mark A. Sprecker 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).

  • Patent number: 4668817
    Abstract: 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: Grant
    Filed: March 21, 1986
    Date of Patent: May 26, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
  • Patent number: 4666629
    Abstract: 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: Grant
    Filed: August 8, 1986
    Date of Patent: May 19, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker, William L. Schreiber
  • Patent number: 4652400
    Abstract: Described are 5-nitro-1,1,2,3,3-pentamethyl indane derivatives defined according to the generic structure: ##STR1## wherein R represents hydrogen or methyl and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles.
    Type: Grant
    Filed: April 11, 1986
    Date of Patent: March 24, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4650603
    Abstract: Described is a liquid mixture of a tricyclic isochroman derivatives and acetyl tetrahydronaphthalene derivatives wherein the acetylated tetrahydronaphthalene derivative mixture consists essentially of the compound having the structure: ##STR1## with minor amounts of compounds having the structures: ##STR2## and uses of such mixtures of tricyclic isochroman derivative mixtures and acetyl tetrahydronaphthalene derivative mixtures in augmenting or enhancing the aroma of 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, hair preparations, cosmetic powders and perfumed polymers.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: March 17, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4643903
    Abstract: 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: Grant
    Filed: June 21, 1985
    Date of Patent: February 17, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
  • Patent number: 4639330
    Abstract: Described are alkyl-substituted spirodecenone derivatives defined according to the structure: ##STR1## wherein one of R.sub.1 or R.sub.2 is hydrogen and the other of R.sub.1 or R.sub.2 is methyl; and wherein R.sub.3 represents C.sub.3 -C.sub.4 alkyl, and uses thereof in augmenting or enhancing the aroma of 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; as well as processes for preparing said alkyl-substituted spirodecenone derivatives.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: January 27, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Marie R. Hanna
  • Patent number: 4636333
    Abstract: Described is a mixture of polyhydroindan carboxaldehydes defined according to the structure: ##STR1## wherein R.sub.7 represents a moiety selected from the group consisting of methyl and isopropyl prepared by means of reacting bicyclopentadiene with a lower alkanol in the presence of a Lewis acid in order to form a mixture of compounds defined according to the structure: ##STR2## and then reacting the resulting ether with carbon monoxide and hydrogen in the presence of an "oxo" reaction catalyst.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: January 13, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, William L. Schreiber, Futoshi Fujioka, Richard M. Boden, Manfred H. Vock, Patrick Whelan, Marie R. Hanna
  • Patent number: 4629805
    Abstract: 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: Grant
    Filed: April 23, 1985
    Date of Patent: December 16, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
  • Patent number: 4622171
    Abstract: Described is the genus of polyhydroindan carboxaldehydes defined according to the structure: ##STR1## wherein each of the dashed lines represent carbon-carbon single bonds or carbon-carbon double bonds with the proviso that at least one of the dashed lines represents a carbon-carbon single bond; wherein one of R.sub.1, R.sub.2 and R.sub.3 is hydrogen or methyl and each of the other of R.sub.1, R.sub.2 and R.sub.3 represents hydrogen; wherein one of R.sub.4, R.sub.5 and R.sub.6 represents hydrogen or methyl and each of the other of R.sub.4, R.sub.5 and R.sub.6 represents hydrogen; wherein m is 0 or 1 and n is 0 or 1 and the sum of m+n=1; wherein X' represents one of the moieties: ##STR2## wherein R.sub.7 represents C.sub.1 -C.sub.3 alkyl or acetyl; and wherein R.sub.8 represents C.sub.1 -C.sub.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: November 11, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, William L. Schreiber, Futoshi Fujioka, Richard M. Boden, Manfred H. Vock, Patrick Whelan, Marie R. Hanna
  • Patent number: 4619781
    Abstract: 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: Grant
    Filed: September 20, 1985
    Date of Patent: October 28, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker, William L. Schreiber
  • Patent number: 4615830
    Abstract: Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:(i) complete a cycloalkyl, cycloalkenyl, bicycloalkyl, mono or polyalkyl cycloalkyl or mono or polyalkyl cycloalkenyl ring, or(ii) represent alkylidene, cycloalkenyl alkylidene, aralkylidene, mono or polyalkyl cycloalkenyl alkylidene or mono or polyalkyl aralkylidene;and wherein R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: October 7, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4616095
    Abstract: Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:(i) complete a cycloalkyl, cycloalkenyl, bicycloalkyl, mono or polyalkyl cycloakyl or mono or polyalkyl cycloalkenyl ring, or(ii) represent alkylidene, cycloalkenyl alkylidene, aralkylidene, mono or polyalkyl cycloalkenyl alkylidene or mono or polyalkyl aralkylidene;and wherein R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: October 7, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4614611
    Abstract: Described is the para-methylacetophenone dimethylacetal having the structure: ##STR1## and organoleptic uses thereof for augmenting or enhancing the aroma of perfume compositions, perfumed articles, colognes and perfumed polymers.
    Type: Grant
    Filed: February 6, 1985
    Date of Patent: September 30, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4614831
    Abstract: 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: Grant
    Filed: September 3, 1985
    Date of Patent: September 30, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Robert P. Belko, Richard M. Boden
  • Patent number: 4613706
    Abstract: Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:(i) complete a cycloalkyl, cycloalkenyl, bicycloalkyl, mono or polyalkyl cycloalkyl or mono or polyalkyl cycloalkenyl ring, or(ii) represent alkylidene, cycloalkenyl alkylidene, aralkylidene, mono or polyalkyl cycloalkenyl alkylidene or mono or polyalkyl aralkylidene;and wherein R.sub.6, R.sub.7 and R.sub.
    Type: Grant
    Filed: August 13, 1985
    Date of Patent: September 23, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4608193
    Abstract: 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: Grant
    Filed: August 13, 1985
    Date of Patent: August 26, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Wilhelmus J. Wiegers, Roger Greene, Domenick Luccarelli, Jr., Marie Hanna
  • Patent number: 4604487
    Abstract: 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: Grant
    Filed: June 21, 1985
    Date of Patent: August 5, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Wilhelmus J. Wiegers, Mark A. Sprecker
  • Patent number: 4585582
    Abstract: Described is 2-n-pentyl-2-cyclohexen-1-one having the structure: ##STR1## useful in augmenting or enhancing the aroma of consumable materials including perfume compositions, colognes, and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles as well as hair sprays, shampoos, bath oils and perfumed polymers.
    Type: Grant
    Filed: March 8, 1985
    Date of Patent: April 29, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Augustinus G. van Loveren, Mark A. Sprecker
  • Patent number: 4582634
    Abstract: Described for use in augmenting or enhancing the aroma of perfume compositions, perfumed articles and colognes is the genus of compounds having the structure: ##STR1## wherein one of R.sub.1 or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen or wherein both R.sub.1 and R.sub.2 are hydrogen, hereinafter referred to as 1-phenylpenten-4-one-1 and methyl homologues thereof.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: April 15, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Marie R. Hanna
  • Patent number: 4576742
    Abstract: Described are mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '", R.sub.1 "", R.sub.3, R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '", R.sub.5 "" and R.sub.6 represent hydrogen or methyl with the provisos:(i) at least four of R.sub.1, R.sub.1 ', R.sub.1 ", R.sub.1 '" and R.sub.1 "" are hydrogen; and (ii) at least four of R.sub.5, R.sub.5 ', R.sub.5 ", R.sub.5 '" and R.sub.5 "" represent hydrogen;and wherein Z represents one of the moieties;(i) carboxaldehyde having the structure: ##STR2## (ii) alkylene dioxy or dialkoxy methyl having the structure: ##STR3## (iii) hydroxy methyl having the structure: ##STR4## (iv) acetoxymethyl having the structure: ##STR5## and wherein R.sub.7 and R.sub.8 taken separately represent C.sub.1 -C.sub.4 lower alkyl or R.sub.7 and R.sub.8 taken together represent C.sub.2 -C.sub.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: March 18, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock