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: 4418010
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: November 29, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4413139
    Abstract: Described is a process for preparing the compound having the structure: ##STR1## comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane with a dialkyl carbonate; thereby forming a ketoester having the structure: ##STR2## wherein R represents C.sub.1 -C.sub.3 lower alkyl; reacting the said ketoester with an allyl halide to form a substituted ketoester having the structure: ##STR3## saponifying the substituted ketoester with base forming a substituted keto carboxylic ester salt; and hydrolyzing the said keto carboxylic acid salt with acid to form the corresponding acid; and then heating and decarboxylating the resulting keto carboxylic acid to form the desired compound.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: November 1, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Patent number: 4410740
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 23, 1982
    Date of Patent: October 18, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4393247
    Abstract: Described are the compounds having the structures: ##STR1## wherein R represents hydroxy ethyl or methoxy ethyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes, and perfumed articles (including fabric softener compositions, fabric softener articles, hair conditioners, floor waxes, solid or liquid anionic, cationic nonionic or zwitterionic detergents, and deodorant compositions and deodorant articles), as well as processes for preparing such compounds.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: July 12, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4391284
    Abstract: Described is the use in modifying, augmenting or enhancing the aroma or taste of smoking tobacco products of 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.
    Type: Grant
    Filed: March 2, 1982
    Date of Patent: July 5, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
  • Patent number: 4386023
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: May 31, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4379060
    Abstract: Described are the compounds having the structures: ##STR1## wherein R represents C.sub.3 -C.sub.6 alkyl; aralkyl; hydroxy alkyl; and alkoxy alkyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes, and perfumed articles (including fabric softener compositions, fabric softener articles, hair conditioners, floor waxes, solid or liquid anionic, cationic nonionic or zwitterionic detergents, and deodorant compositions and deodorant articles), as well as processes for preparing such compounds.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: April 5, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4375004
    Abstract: Described are the compounds having the structures: ##STR1## wherein R represents isopropyl as well as a process for preparing such compounds.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: February 22, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4374746
    Abstract: Described is the genus of compounds defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each represents methyl or hydrogen with the proviso that when one of R.sub.2, R.sub.3 and R.sub.4 is methyl, then the other two of R.sub.2, R.sub.3 and R.sub.4 are hydrogen which have been found to be useful in augmenting or enhancing the aroma of perfumes and perfumed articles as well as colognes and, in addition, in combatting tobacco beetles of the species Lasioderma serricorne (F.). Also described are novel processes for preparing such cyclohexyl phenethylether derivatives by reacting cyclohexene having the structure: ##STR2## with a phenethyl alcohol derivative having the structure: ##STR3## in the presence of an acid catalyst.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: February 22, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
  • Patent number: 4371715
    Abstract: Described is the genus of compounds defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each represents methyl or hydrogen with the proviso that one of R.sub.2, R.sub.3 and R.sub.4 is methyl and the other two of R.sub.2, R.sub.3 and R.sub.4 are hydrogen which have been found to be useful in augmenting or enhancing the aroma of perfumes and perfumed articles as well as colognes and, in addition, in combatting tobacco beetles of the species Lasioderma serricorne (F.). Also described are novel processes for preparing such cyclohexyl phenethylether derivatives by reacting cyclohexene having the structure: ##STR2## with a phenethyl alcohol derivative having the structure: ##STR3## in the presence of an acid catalyst.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: February 1, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
  • Patent number: 4369133
    Abstract: Described are the uses for augmenting or enhancing the aroma of perfume compositions and colognes of the compounds having the structures: ##STR1## wherein "R" represents isopropyl, phenethyl, allyl, cyclohexyl, hydroxyl alkyl or alkoxy alkyl.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: January 18, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4367158
    Abstract: Described are the compounds having the structures: ##STR1## wherein R represents C.sub.3 -C.sub.6 alkyl; aralkyl; hydroxy alkyl; and alkoxy alkyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes, and perfumed articles (including fabric softener compositions, fabric softener articles, hair conditioners, floor waxes, solid or liquid anionic, cationic nonionic or zwitterionic detergents, and deodorant compositions and deodorant articles), as well as processes for preparing such compounds.
    Type: Grant
    Filed: December 29, 1981
    Date of Patent: January 4, 1983
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4362657
    Abstract: Described is the genus of compounds defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and each represents methyl or hydrogen with the proviso that one of R.sub.2, R.sub.3 and R.sub.4 is methyl and the other two of R.sub.2, R.sub.3 and R.sub.4 are hydrogen which have been found to be useful in augmenting or enhancing the aroma of perfumes and perfumed articles as well as colognes and, in addition, in combatting tobacco beetles of the species Lasioderma serricorne (F.). Also described are novel processes for preparing such cyclohexyl phenethylether derivatives by reacting cyclohexene having the structure: ##STR2## with a phenethyl alochol derivative having the structure: ##STR3## in the presence of an acid catalyst.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: December 7, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
  • Patent number: 4358617
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: November 9, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4357319
    Abstract: Described are the compounds, alkyl and alkenyl phenethylether derivatives, defined according to the structure: ##STR1## wherein R represents C.sub.3 or C.sub.6 secondary alkyl (2.degree.-alkyl) or C.sub.4 alkenyl which have, individually or in combination, been found to be useful in augmenting or enhancing the aroma of perfumes and perfumed articles as well as colognes and, in addition, in combatting tobacco beetles of the species Lasioderma serricorne (F.).
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: November 2, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4351965
    Abstract: Described are the compounds having the structures: ##STR1## wherein R represents C.sub.3 -C.sub.6 alkyl; aralkyl; hydroxy alkyl; and alkoxy alkyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes, and perfumed articles (including fabric softener compositions, fabric softener articles, hair conditioners, floor waxes, solid or liquid anionic, cationic nonionic or zwitterionic detergents, and deodorant compositions and deodorant articles), as well as processes for preparing such compounds.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: September 28, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4351347
    Abstract: Described are processes and compositions for augmenting or enhancing the flavor and/or aroma of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, perfumes, colognes and perfumed articles using as the essential ingredient at least one norbornyl ether having the structure: ##STR1## wherein R is one of acetyl, propionyl, allyl or isopropyl.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: September 28, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4350733
    Abstract: Described is the compound cyclohexyl phenethylether having the structure: ##STR1## which has been found to be useful in augmenting or enhancing the aroma of perfumes and perfumed articles as well as colognes and, in addition, in combatting tobacco beetles of the species Lasioderma serricorne (F.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: September 21, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
  • Patent number: 4349449
    Abstract: Described are processes and compositions for augmenting or enhancing the flavor and/or aroma of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, perfumes, colognes and perfumed articles using as the essential ingredient at least one norbornyl ether having the structure: ##STR1## wherein R is one of acetyl, propionyl, allyl or isopropyl.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: September 14, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4346245
    Abstract: Described are substituted tricyclodecane derivatives having the generic structure: ##STR1## wherein Y is a moiety having a structure selected from the group consisting of: ##STR2## wherein one of the dashed lines represents a carbon-carbon single bond and the other of the dashed lines represents a carbon-carbon double bond; wherein R.sub.1 and R.sub.2 represent hydrogen or methyl with the proviso that one of R.sub.1 and R.sub.2 is hydrogen and the other of R.sub.1 and R.sub.2 is methyl; wherein R.sub.3 is hydrogen, C.sub.1 -C.sub.3 acyl, C.sub.3 or C.sub.4 alkyl or C.sub.3 or C.sub.4 alkenyl; wherein R.sub.4, R.sub.5 and R.sub.6 represent hydrogen or methyl with the additional proviso that one of R.sub.4, R.sub.5 and R.sub.6 is methyl and the other two of R.sub.4, R.sub.5 and R.sub.6 is hydrogen.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: August 24, 1982
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall