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: 4502494
    Abstract: Described is a genus of compounds defined according to the structure: ##STR1## hereinafter termed "norbornyl esters" wherein R.sub.1, R.sub.2 and R.sub.3 represent methyl or hydrogen with the proviso that at least one of R.sub.1, R.sub.2 and R.sub.3 is hydrogen as well as uses thereof in augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, chewing tobaccos, smoking tobaccos, smoking tobacco articles, 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 and perfumed polymers). Also described is a novel process for preparing such norbornyl esters.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: March 5, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4493790
    Abstract: Described are isopropyl tetramethylindan musks defined according to the generic structure: ##STR1## wherein R.sub.3 and R.sub.4 are each acetyl or methyl with the provisos:(a) one of R.sub.3 or R.sub.4 is methyl;(b) when R.sub.4 is methyl, then R.sub.3 is acetyl and(c) when R.sub.4 is acetyl, R.sub.3 is methyland organoleptic uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles.
    Type: Grant
    Filed: October 12, 1983
    Date of Patent: January 15, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, Roger E. Greene
  • Patent number: 4492645
    Abstract: Described are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub.5 represents methyl or ethyl; 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; wherein the wavy lines represent the "cis" or "trans" juxtaposition of the moieties hydrogen, R.sub.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: January 8, 1985
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Philip T. Klemarczyk, Robert P. Belko
  • Patent number: 4487701
    Abstract: Described are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub.5 represents methyl or ethyl; 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; wherein the wavy lines represent the "cis" or "trans" juxtaposition of the moieties hydrogen, R.sub.
    Type: Grant
    Filed: May 11, 1984
    Date of Patent: December 11, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Philip T. Klemarczyk, Robert P. Belko
  • Patent number: 4480647
    Abstract: Described for use in augmenting or enhancing the aroma or taste of smoking tobacco compositions or smoking tobacco articles are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub.5 represents methyl or ethyl; 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; wherein the wavy lines represent the "cis" or "trans" juxtaposition of the moieties hydrogen, R.sub.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: November 6, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Philip T. Klemarczyk, Robert P. Belko
  • Patent number: 4480648
    Abstract: Described is the use of the genus of compounds defined according to the structure: ##STR1## hereinafter termed "norbornyl esters" wherein R.sub.1, R.sub.2 and R.sub.3 represents methyl or hydrogen with the proviso that at least one or R.sub.1, R.sub.2 and R.sub.3 is hydrogen for augmenting or enhancing the aroma or taste of smoking tobacco compositions and smoking tobacco articles.
    Type: Grant
    Filed: June 23, 1983
    Date of Patent: November 6, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4476042
    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 represents 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: October 28, 1983
    Date of Patent: October 9, 1984
    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: 4470963
    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: October 28, 1983
    Date of Patent: September 11, 1984
    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: 4466908
    Abstract: Described are isopropyl tetramethylindan musks defined according to the generic structure: ##STR1## wherein R.sub.3 and R.sub.4 are each acetyl or methyl with the provisos:(a) one of R.sub.3 or R.sub.4 is methyl;(b) when R.sub.4 is methyl, then R.sub.3 is acetyl and(c) when R.sub.4 is acetyl, R.sub.3 is methyland organoleptic uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles. Also described is a process for preparing same by means of first rearranging a tetralin derivative defined according to the structure: ##STR2## to form at least one compound defined according to the structure: ##STR3## and then reacting the compound having the structure: ##STR4## with a compound of the genus: ##STR5## wherein Z represents acetoxy, chloro or bromo in order to form at least one compound defined according to the structure: ##STR6## 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.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: August 21, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, Roger E. Greene
  • Patent number: 4464291
    Abstract: Described are norbornyl diesters defined according to the structure: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different, C.sub.1 -C.sub.3 lower alkyl; wherein one of R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is methyl and the other of R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 is hydrogen; and wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond for use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles, shampoos and other hair preparations as well as perfumed polymers, e.g., perfumed polyethylene.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: August 7, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Patrick Whelan
  • Patent number: 4460795
    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: March 24, 1983
    Date of Patent: July 17, 1984
    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: 4450101
    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: August 20, 1981
    Date of Patent: May 22, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4449007
    Abstract: A process comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane with an alkyl acetate, thereby forming a diketone having the structure: ##STR1## reacting the said diketone with an allyl halide to form a substituted diketone having the structure: ##STR2## which is transformed into the compound having the structure: ##STR3## by means of a retro-Claisen reaction.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: May 15, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Patent number: 4448984
    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 18, 1983
    Date of Patent: May 15, 1984
    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: 4446060
    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 take 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: March 24, 1983
    Date of Patent: May 1, 1984
    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: 4435316
    Abstract: Described is a genus of compounds defined according to the structure: ##STR1## hereinafter termed "norbornyl esters" wherein R.sub.1, R.sub.2 and R.sub.3 represent methyl or hydrogen with the proviso that at least one of R.sub.1, R.sub.2 and R.sub.3 is hydrogen as well as uses thereof in augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, chewing tobaccos, smoking tobaccos, smoking tobacco articles, 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 and perfumed polymers). Also described is a novel process for preparing such norbornyl esters.
    Type: Grant
    Filed: July 8, 1982
    Date of Patent: March 6, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventor: Mark A. Sprecker
  • Patent number: 4430508
    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: February 7, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, John B. Hall
  • Patent number: 4428966
    Abstract: Described is a process for augmenting or enhancing the aroma or taste of raspberry flavored foodstuffs or chewing gums by adding to a foodstuff or chewing gum an aroma or taste augmenting or enhancing quantity of at least one compound having the structure: ##STR1## wherein R represents C.sub.1 -C.sub.3 alkyl.
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: January 31, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: John B. Hall, Mark A. Sprecker
  • Patent number: 4427708
    Abstract: Described are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub.5 represents methyl or ethyl; 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; wherein the wavy lines represent the "cis" or "trans" juxtaposition of the moieties hydrogen, R.sub.5, cyclohexenyl and carboxaldehyde about the carbon-carbon double bond useful for augmenting or enhancing the aroma or taste of foodstuffs or chewing gums.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: January 24, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Philip T. Klemarczyk, Robert P. Belko
  • Patent number: 4424379
    Abstract: Described are cyclohexenyl-alpha-alkyl acrolein derivatives defined according to the generic structure: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or methyl with the proviso that one, two or three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent methyl; wherein R.sub.5 represents methyl or ethyl; 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; wherein the wavy lines represent the "cis" or "trans" juxtaposition of the moieties hydrogen, R.sub.
    Type: Grant
    Filed: July 16, 1982
    Date of Patent: January 3, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Philip T. Klemarczyk, Robert P. Belko