Patents by Inventor Irving M. Goldman

Irving M. Goldman 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).

  • Process for preparing 2-methyl-2-hydroxypropyl piperazine-1-carboxylate compounds
    Patent number: 4550164
    Abstract: Isobutylene carbonate and certain 1-substituted piperazine compounds are reacted in a process that forms 2-methyl-2-hydroxypropyl 4-substituted piperazine-1-carboxylate compounds which are medicinal agents or synthetic intermediates for such agents. The features of the process allow the preparation of an essentially pure 2-methyl-2-hydroxypropyl carboxylate compound.
    Type: Grant
    Filed: April 24, 1981
    Date of Patent: October 29, 1985
    Assignee: Pfizer Inc.
    Inventors: Irving M. Goldman, Donald E. Kuhla, Constantine Sklavounos
  • Flavoring with pyrazine derivatives
    Patent number: 4303689
    Abstract: The subject matter relates to flavoring with a composition of matter consisting essentially of a pyrazine derivative having the following formula: ##STR1## wherein (a) R.sup.1 is a methyl group and R.sup.2 is either an alkyl group having from 2 to 6 carbon atoms which can be branched at the chain end when said chain has 3 or 4 carbon atoms, or a vinyl, a thienyl-2 or a pyrryl-1 group; or(b) R.sup.1 is an ethyl group and R.sup.2 is an ethyl or a vinyl group.
    Type: Grant
    Filed: April 13, 1972
    Date of Patent: December 1, 1981
    Assignees: Firmenich SA, General Foods Corporation
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agents
    Patent number: 4113891
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound from the compounds having the general formula ##STR1## Wherein R is hydrogen, an alkyl group having 1 or 2 carbon atoms, or an alkenyl group having 2 or 3 carbon atoms, provided the sum of the carbon atoms of the substituent groups does not exceed 3.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: September 12, 1978
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • 2-Mercapto, alkyl, acetyl and furfuryl-sulfide pyrazines
    Patent number: 4105661
    Abstract: Disclosed is a group of compounds which has been found to be useful in the area of flavor-note alteration. The compounds have the following formula: ##STR1## wherein n, R.sub.1 and R.sub.2 are as defined below.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: August 8, 1978
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 4005227
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound having the general formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen, alkyl, alkenyl, aryl or aralkyl provided that R.sub.1, R.sub.2, and R.sub.3 are not all hydrogen.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: January 25, 1977
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • 7-Methyl-2-benzofuran carboxaldehyde
    Patent number: 4002793
    Abstract: The chemical compound 7-methyl-benzofuran-2-aldehyde which is useful as a flavor additive for foodstuffs and beverages.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: January 11, 1977
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 4000328
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective amount of a flavor modifying compound from those compounds having the formula: ##STR1## wherein n is 0 or 1, R.sub.1 is hydrogen or methyl and R.sub.2 is methyl, ethyl, or propyl and ##STR2## wherein n is 0 or 1.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: December 28, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3993792
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective amount of a flavor modifying compound from those compounds having the formula: ##SPC1##Wherein R is hydrogen, methyl, ethyl, propyl, butenyl, propenyl and n is 1 or 2; and ##SPC2##Wherein R.sub.1 is hydrogen or methyl; R.sub.2 is methyl, propyl, isopropyl or furfuryl; and n is 0, 1, or 2 with the provision that if R.sub.1 is hydrogen and n is 1, R.sub.2 is neither methyl nor furfuryl; and ##SPC3##Wherein R is methyl or acetyl.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: November 23, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Pyrrylmethylthio flavoring agents
    Patent number: 3989713
    Abstract: Pyrrole sulfur compounds of the formula ##SPC1##Wherein R is methyl, ethyl, acetyl or furfuryl which are useful as flavor additives for foodstuffs and beverages.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: November 2, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3985906
    Abstract: Enhancement of the flavor of foodstuffs is achieved by the addition of an effective flavor-modifying amount of a pyrrole sulfur compound of the formula: ##SPC1##Wherein R is methyl, ethyl, furfuryl or acetyl.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: October 12, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3978241
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound from the group of compounds having the general formula: ##SPC1##Wherein R is sec-butyl, prop-1-en-1 yl or 2-methyl-prop-1-en-1-yl; and ##SPC2##Wherein R is a lower alkyl alkyl group having between two and six carbon atoms or a butenyl group; and ##SPC3##Wherein R is a lower alkyl group and n is 0 or 2.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: August 31, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3976802
    Abstract: Enhancement of the flavor of foodstuffs is achieved by the addition of an effective flavor-modifying amount of a thiophene sulfur compound of the formula: ##EQU1## wherein R is hydrogen, methyl, acetyl or thenyl and n is 1 or 2; and ##EQU2## wherein R is methyl, ethyl or furfuryl.
    Type: Grant
    Filed: June 4, 1975
    Date of Patent: August 24, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3968264
    Abstract: Enhancement of the flavor of foodstuffs is achieved by the addition of an effective flavor-modifying amount of an aromatic sulfur compound of the formula: ##SPC1##Wherein R.sub.1 is hydrogen, hydroxy, alkoxy or alkyl and R.sub.2 is hydrogen or alkyl; ##SPC2##Wherein R.sub.1 is hydrogen, hydroxy, alkyl or alkoxy, R.sub.2 is hydrogen or alkyl, R.sub.3 is alkyl or benzyl and n is 0, 1, Or 2; and ##SPC3##Wherein R is alkyl or phenyl.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: July 6, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3961095
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound having the general formula ##SPC1##Wherein R is hydrogen or methyl or ethyl and at least one R is methyl or ethyl.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: June 1, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3950566
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound from the compounds having the general formulae: ##EQU1## wherein R is an ethyl or propyl group;CH.sub.3 COCORwherein R is an alkyl or a phenyl group; andC.sub.2 H.sub.5 COCORwherein R is an alkyl or a phenyl group.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: April 13, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3949100
    Abstract: Enhancement of the flavor of foodstuffs is achieved by the addition of an effective flavor-modifying amount of 4-vinyl-1, 2-dimethoxy-benzene.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: April 6, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3947603
    Abstract: The enhancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound from the group of compounds having the general formulae ##SPC1##Wherein R.sub.1 is an alkyl or acetyl group and R.sub.2 is hydrogen or a methyl group, with the proviso that R.sub.1 and R.sub.2 together comprise at least 2 carbon atoms; and ##SPC2##Wherein R is an alkyl group.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: March 30, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Fritz Gautschi, Ivon Flament, Max Stoll, Irving M. Goldman
  • Flavoring agent
    Patent number: 3943260
    Abstract: Enhancement of the flavor of foodstuffs, is achieved by the addition of a flavor modifying amount of a compound having the general formulae: ##SPC1##Wherein R stands for hydrogen, methyl or ethyl.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: March 9, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Irving M. Goldman, Fritz Gautschi, Ivon Flament, Max Stoll
  • Flavoring agent
    Patent number: 3940502
    Abstract: The enchancement of foodstuffs is effected by the addition of a small but effective flavor-modifying amount of a compound having the general formula ##SPC1##Wherein R.sub.1 and R.sub.2 are hydrogen, alkyl, eg. methyl, ethyl; aryl; e.g. phenyl, alkylphenyl; furfuryl or alkylfurfuryl groups.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: February 24, 1976
    Assignee: Firmenich & Cie
    Inventors: Max Winter, Irving M. Goldman, Fritz Gautschi, Ivon Flament, Max Stoll