Patents by Inventor William L. Schreiber

William L. Schreiber 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: 6468949
    Abstract: The present invention is directed to cyclopropyl-2,6,6-trimethylcyclohex-3-enyl ketone and is use in creating perfumes and scents in such items as perfumes, colognes, toilet water and personal care products.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: October 22, 2002
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard M. Boden, William L. Schreiber
  • Publication number: 20020107154
    Abstract: The present invention is directed to cyclopropyl-2,6,6-trimethylcyclohex-3-enyl ketone and its use in creating perfumes and scents in such items as perfumes, colognes, toilet water and personal care products.
    Type: Application
    Filed: December 10, 2001
    Publication date: August 8, 2002
    Inventors: Richard M. Boden, William L. Schreiber
  • Patent number: 6165452
    Abstract: Described are novel aldehyde cyclic trimers which are useful for controllably releasing fragrance composition components into the environment surrounding the location of said trimers. The trimers are particularly useful in effecting malodor elimination from solid or semisolid surfaces, e.g., the human epidermis (skin) and surfaces that have a displeasing tobacco aroma.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: December 26, 2000
    Assignee: International Flavors & Frangrances Inc.
    Inventors: Richard M. Boden, William L. Schreiber, Freddy Tabak, Henricus Gerardus Maria Reijmer
  • Patent number: 5665697
    Abstract: Described is the use of 1(3H)-isobenzofuranone having the structure: ##STR1## in augmenting, enhancing or imparting aromas in or to perfume compositions, colognes and perfumed articles.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: September 9, 1997
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard M. Boden, William L. Schreiber
  • Patent number: 5366959
    Abstract: Described are mixtures of 2-(2-bornyloxy)-ethyl-1-ethanols defined according to the structure: ##STR1## which represents a mixture wherein in the mixture one of R.sub.1 or R.sub.2 is ethyl and the other of R.sub.1 or R.sub.2 is hydrogen, and organoleptic 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, perfumed polymers, cosmetic powders and hair preparations.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 22, 1994
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Richard M. Boden, William L. Schreiber, Joseph A. McGhie, Karen A. Geiger
  • Patent number: 5236897
    Abstract: Described are the 2,2-dimethyl-4(2' or 4'-pyridyl) butyronitriles defined according to the generic structure: ##STR1## wherein one of R.sub.1 ' or R.sub.2 ' is the moiety: ##STR2## and the other of R.sub.1 ' or R.sub.2 ' is hydrogen as well as perfumery uses thereof and processes for preparing same.
    Type: Grant
    Filed: January 8, 1993
    Date of Patent: August 17, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 5179222
    Abstract: Described is the use in imparting, augmenting or enhancing aromas to or in perfume compositions, colognes and perfumed articles by admixing therewith an aroma imparting, augmenting or enhancing quantity of 2,2-dimethyl-4-phenyl valeronitrile defined according to the structure: ##STR1## Also described herein is a process for preparing phenyl butyronitriles by reacting isobutyronitrile having the structure: ##STR2## with a styrene derivative defined according to the structure: ##STR3## according to the reaction: ##STR4## in the presence of a catalyst selected from the group consisting of sodium hydride and lithium diisopropyl amide having the structure: ##STR5## at a temperature in the range of from about 90.degree. C. up to about 130.degree. C. yielding more than about 65% by weight of product wherein R.sub.1 and R.sub.2 are the same or different and each represents hydrogen or methyl.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: January 12, 1993
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 5143899
    Abstract: Described is the use in imparting, augmenting or enhancing aromas to or in perfume compositions, colognes and perfumed articles by admixing therewith an aroma imparting, augmenting or enhancing quantity of 2,2-dimethyl-4-phenyl valeronitrile defined according to the structure: ##STR1## Also described herein is a process for preparing phenyl butyronitriles by reacting isobutyronitrile having the structure: ##STR2## with a styrene derivative defined according to the structure: ##STR3## according to the reaction: ##STR4## in the presence of a catalyst selected from the group consisting of sodium hydride and lithium diisopropyl amide having the structure: ##STR5## at a temperature in the range of from about 90.degree. C. up to about 130.degree. C. yielding more than about 65% by weight of product wherein R.sub.1 and R.sub.2 are the same or different and each represents hydrogen or methyl.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: September 1, 1992
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Anubhav P. S. Narula, John J. De Virgilio, William L. Schreiber
  • Patent number: 4933320
    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: May 16, 1986
    Date of Patent: June 12, 1990
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, Robert P. Belko, William L. Schreiber, Michael Licciardello
  • Patent number: 4780564
    Abstract: Described is allyl 4-cyclooctenyl glycolate of our invention having the structure: ##STR1## and the perfumery use thereof 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, hair preparations and cosmetic powders.
    Type: Grant
    Filed: June 29, 1987
    Date of Patent: October 25, 1988
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, William L. Schreiber, Robert P. Belko
  • Patent number: 4755502
    Abstract: Described is allyl-4-cyclooctenyl glycolate of our invention having the structure: ##STR1## and the perfumery use thereof 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, hair preparations and cosmetic powders. The genus defined according to the structure: ##STR2## wherein R represents hydrogen, allyl or alkali metal and: represents a covalent bond wherein R represents hydrogen or allyl and an ionic bond where R represents alkali metal defines all of the products of our invention including intermediates useful in the process for preparing the compound having the structure: ##STR3## .
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: July 5, 1988
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, William L. Schreiber, Robert P. Belko
  • Patent number: 4751933
    Abstract: Described are the uses of mixtures of hydroxybornyloxybutanes defined according to the generic structure: ##STR1## wherein in the mixture in each of the compounds one or R.sub.1 or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen in augmenting or enhancing the aroma or taste of smoking tobacco articles and smoking tobacco compositions.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: June 21, 1988
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Futoshi Fujioka, Richard M. Boden, William L. Schreiber
  • Patent number: 4715981
    Abstract: Described are mixtures of hydroxybornyloxybutanes defined according to the generic structure: ##STR1## wherein in the mixture in each of the compounds one of R.sub.1 or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen as well as methods for augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles by adding thereto an aroma augmenting or enhancing quantity of said mixture of hydroxybornyloxybutanes. The mixture of hydroxybornyloxybutanes of our invention defined according to the structure: ##STR2## is prepared according to the process of reacting camphene having the structure: ##STR3## with 1,3-dihydroxybutane having the structure: ##STR4## in the presence of an acid catalyst such as a Lewis acid or a protonic acid.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: December 29, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Futoshi Fujioka, Richard M. Boden, William L. Schreiber
  • Patent number: 4668431
    Abstract: Described are mixtures of hydroxybornyloxybutanes defined according to the generic structure: ##STR1## wherein in the mixture in each of the compounds one of R.sub.1 or R.sub.2 is methyl and the other of R.sub.1 or R.sub.2 is hydrogen as well as methods for augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles by adding thereto an aroma augmenting or enhancing quantity of said mixture of hydroxybornyloxybutanes. The mixture of hydroxybornyloxybutanes of our invention defined according to the structure: ##STR2## is prepared according to the process of reacting camphene having the structure: ##STR3## with 1,3-dihydroxybutane having the structure: ##STR4## in the presence of an acid catalyst such as a Lewis acid or a protonic acid.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: May 26, 1987
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Futoshi Fujioka, Richard M. Boden, William L. Schreiber
  • 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: 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: 4622172
    Abstract: Described are alkyl-substituted spiroundecenone derivatives defined according to the structure: ##STR1## wherein R.sub.1 represents isopropyl or hydrogen; R.sub.2, R.sub.3 and R.sub.4 are the same and each represents methyl or hydrogen; with the provisos that:(i) when R.sub.1 is isopropyl, R.sub.2, R.sub.3 and R.sub.4 are hydrogen; and(ii) when R.sub.2, R.sub.3 and R.sub.4 are each methyl, R.sub.1 is hydrogen,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 spiroundecenone derivatives.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: November 11, 1986
    Assignee: International Flavors & Fragrances Inc.
    Inventors: William L. Schreiber, William D. Gillaspey, Futoshi Fujioka, Marie R. Hanna
  • 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: RE32721
    Abstract: Described are compounds covered by the generic structure. ##STR1## where one, two or all of R.sub.1, R.sub.2 and R.sub.3 are the same or different and each represents hydrogen or lower alkyl of from 1 up to 3 carbon atoms; a process for preparing same using compounds having the generic structure; ##STR2## where one of the dashed lines is a carbon-carbon double bond and the other of the dashed lines represents carbon-carbon single bonds and organoleptic uses thereof in perfumes, colognes, perfumed articles such as anionic, cationic and non-ionic detergents, cosmetic powders and dryer-added fabric softener articles, as well as in smoking tobaccos and smoking tobacco articles, e.g., the body of smoking tobacco, the wrapper or the filter therefor.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: July 26, 1988
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Mark A. Sprecker, James M. Sanders, William L. Schreiber, Hugh Watkins, Joaquin F. Vinals, Edward J. Shuster, Thomas J. O'Rourke, Myrna L. Hagedorn, Philip Klemarczyk