Patents by Inventor Richard J. Tokarzewski
Richard J. Tokarzewski 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: 4576742Abstract: 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: GrantFiled: January 12, 1984Date of Patent: March 18, 1986Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4533492Abstract: Described is the compound defined according to the structure: ##STR1## and the uses thereof in augmenting or enhancing the aroma or taste of perfume compositions, perfumed articles, colognes, smoking tobacco or smoking tobacco articles.Type: GrantFiled: February 9, 1984Date of Patent: August 6, 1985Assignee: International Flavors & Fragrances Inc.Inventors: Richard J. Tokarzewski, William L. Schreiber
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Patent number: 4476042Abstract: 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: GrantFiled: October 28, 1983Date of Patent: October 9, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4470963Abstract: 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: GrantFiled: October 28, 1983Date of Patent: September 11, 1984Assignee: International Flavors & Fragrances, Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4460795Abstract: 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: GrantFiled: March 24, 1983Date of Patent: July 17, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4448984Abstract: 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: GrantFiled: January 18, 1983Date of Patent: May 15, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4449009Abstract: Described is the compound defined according to the structure: ##STR1## and the use thereof in augmenting or enhancing the aroma or taste of perfume compositions, perfumed articles, colognes, smoking tobacco or smoking tobacco articles.Type: GrantFiled: April 7, 1983Date of Patent: May 15, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Richard J. Tokarzewski, William L. Schreiber
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Patent number: 4446060Abstract: 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: GrantFiled: March 24, 1983Date of Patent: May 1, 1984Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4391284Abstract: 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: GrantFiled: March 2, 1982Date of Patent: July 5, 1983Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Marie R. Hanna, Richard J. Tokarzewski, Robert P. Belko, Hugh Watkins, Manfred H. Vock
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Patent number: 4374746Abstract: 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: GrantFiled: September 25, 1981Date of Patent: February 22, 1983Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4371715Abstract: 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: GrantFiled: September 25, 1981Date of Patent: February 1, 1983Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4362657Abstract: 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: GrantFiled: September 25, 1981Date of Patent: December 7, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4350733Abstract: 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: GrantFiled: May 28, 1981Date of Patent: September 21, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4346080Abstract: 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: GrantFiled: May 28, 1981Date of Patent: August 24, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4343791Abstract: 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: GrantFiled: September 25, 1981Date of Patent: August 10, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4337180Abstract: 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: GrantFiled: May 28, 1981Date of Patent: June 29, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4335008Abstract: 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: GrantFiled: May 28, 1981Date of Patent: June 15, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4324923Abstract: 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: GrantFiled: February 19, 1981Date of Patent: April 13, 1982Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker
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Patent number: 4306096Abstract: 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: GrantFiled: September 30, 1980Date of Patent: December 15, 1981Assignee: International Flavors & Fragrances Inc.Inventors: Jacob Kiwala, Richard J. Tokarzewski, Frederick L. Schmitt, Mark A. Sprecker