Patents by Inventor Glenn M. Roy

Glenn M. Roy 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: 4650688
    Abstract: The present invention is directed to new sweeteners of the formula: ##STR1## wherein, A is H, alkyl containing 1-3 carbon atoms, hydroxyalkyl containing 1-3 carbon atoms, alkoxymethyl wherein the alkoxy group contains 1-3 carbon atoms, or CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is H or CH.sub.3 ;A and A' when taken together with the carbon atom to which they are attached form a cycloalkyl containing 3-4 carbon atoms;R.sub.1 and R.sub.2 are each a branched-chain alkyl containing 3-5 carbon atoms; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: March 17, 1987
    Assignee: General Foods Corporation
    Inventors: Glenn M. Roy, Ronald E. Barnett, Paul R. Zanno
  • Patent number: 4638071
    Abstract: The following dipeptides possess a high order of sweetness: ##STR1## wherein X=O or S;R is alkyl containing 1-3 carbon atoms;R.sub.1 is cycloalkyl, cycloalkenyl, lower alkyl-substituted cycloalkyl or cycloalkenyl, bicycloalkyl, bicycloalkenyl, tricycloalkyl, cyclic ether, cyclic thioether, cyclic sulfoxides, cyclic sulfones, aryl, benzyl, alkylaryl, aromatic heterocyclic or alkyl substituted aromatic heterocyclic containing up to 10 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2, R.sub.3, R.sub.4 and R.sub.6 are each H or lower alkyl;R.sub.5 is H, lower alkyl or cycloalkyl containing 3-5 ring carbons;each n=0, 1 or 2;m=0 or 1;Z is an alkylene chain containing 0-2 carbon atoms in the principal chain and up to a total of 6 carbon atoms;and food-acceptable salts.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: January 20, 1987
    Assignee: General Foods Corporation
    Inventors: Ronald E. Barnett, Paul R. Zanno, Glenn M. Roy
  • Patent number: 4636396
    Abstract: Sweeteners of the formula: ##STR1## and food-acceptable salts thereof, where the substituents are: A is CO.sub.2 R where R is alkyl containing 1-3 carbon atoms,A' is hydrogen or alkyl containing 1-3 carbon atoms;Y is --(CHR.sub.2).sub.n --R.sub.1 or --CHR.sub.3 R.sub.4 ;R.sub.1 is cycloalkyl, cycloalkenyl, lower alkyl substituted cycloalkyl or cycloalkenyl, bicycloalkyl, bicycloalkenyl or tricycloalkyl containing up to 10 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 is H or alkyl containing 1-4 carbon atoms;R.sub.3 and R.sub.4 are each cycloalkyl containing 3-4 ring carbon atoms;n=0 or 1; andm=0 or 1.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: January 13, 1987
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4634792
    Abstract: This invention relates to novel sweeteners of the formula: ##STR1## wherein A is CO.sub.2 R wherein R is alkyl containing 1-3 carbon atoms;A' is hydrogen or alkyl containing 1-3 carbon atoms;Y is alkyl containing 4-11 carbon atoms, andM=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: January 6, 1987
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4622418
    Abstract: Amides of .alpha.-aminodicarboxylic acids and .beta.-aminoethers are low calorie sweetners.
    Type: Grant
    Filed: April 4, 1985
    Date of Patent: November 11, 1986
    Assignee: General Foods Corporation
    Inventors: Ronald E. Barnett, Paul R. Zanno, Glenn M. Roy
  • Patent number: 4622232
    Abstract: This invention relates to novel sweeteners of the formula: ##STR1## wherein A is hydrogen, alkyl containing 1-3 carbon atoms, hydroxyalkyl containing 1-3 carbon atoms, alkoxymethyl wherein the alkoxy contains 1-3 carbon atoms or --CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is hydrogen or alkyl containing 1-3 carbon atoms;A and A' taken together with the carbon atom to which they are attached form cycloalkyl containing 3-4 carbon atoms;Y is --(CHR.sub.2).sub.n --R.sub.1 or --CHR.sub.3 R.sub.4 ;P.sub.1 is alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl containing at least one alkyl in the .beta.-position of the ring, up to 7 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 is H or alkyl containing 1-4 carbon atoms;R.sub.3 and R.sub.4 are each cycloalkyl containing 3-4 ring carbon atoms;n=0 or 1; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: November 11, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4622417
    Abstract: Dipeptides of certain .alpha.-amino dicarboxylic acids and etherified hydroxy .alpha.-amino-mono-carboxylic acid esters possess a high order of sweetness. These dipeptides have the following formula: ##STR1## wherein R is alkyl containing 1-3 carbon atoms;R.sub.1 is cycloalkyl, cycloalkenyl, lower alkyl substituted cycloalkyl or cycloalkenyl, bicycloalkyl, bicycloalkenyl or tricycloalkyl containing up to 10 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 and R.sub.4 are each H or alkyl containing 1-3 carbon atoms;R.sub.3 is H, alkyl containing 1-6 carbon atoms or cycloalkyl containing 3-5 ring carbons;n=0, 1 or 2; andm=0 or 1;and food acceptable salts thereof.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: November 11, 1986
    Assignee: General Foods Corporation
    Inventors: Ronald E. Barnett, Paul R. Zanno, Glenn M. Roy
  • Patent number: 4619834
    Abstract: This invention relates to new compounds of the formula: ##STR1## wherein A is CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is hydrogen or alkyl containing 1-3 carbon atoms;Y is --(CHR.sub.2).sub.n --R.sub.1 or --CHR.sub.3 R.sub.4 ;R.sub.1 is alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl containing at least one alkyl in the .beta.-position of the ring, up to 7 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 is H or alkyl containing 1-4 carbon atoms;R.sub.3 and R.sub.4 are each cycloalkyl containing 3-4 ring carbon atoms;n=0 or 1; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: November 5, 1985
    Date of Patent: October 28, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4619782
    Abstract: Sweeteners of the formula: ##STR1## and food-acceptable salts thereof, where the substituents are disclosed herein.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: October 28, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4603012
    Abstract: This invention relates to novel sweeteners of the formula: ##STR1## wherein A is hydrogen, alkyl containing 1-3 carbon atoms, hydroxyalkyl containing 1-3 carbon atoms, alkoxymethyl wherein the alkoxy contains 1-3 carbon atoms or --CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is hydrogen or alkyl containing 1-3 carbon atoms;A and A' taken together with the carbon atom to which they are attached form cycloalkyl containing 3-4 carbon atoms;Y is --(CHR.sub.2).sub.n --R.sub.1 or --CHR.sub.3 R.sub.4 ;R.sub.1 is alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl containing at least one alkyl in the .beta.-position of the ring, up to 7 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 is H or alkyl containing 1-4 carbon atoms;R.sub.3 and R.sub.4 are each cycloalkyl containing 3-4 ring carbon atoms;n=0 or 1; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: July 29, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4603011
    Abstract: The present invention is directed to new sweeteners of the formula: ##STR1## wherein, A is H, alkyl containing 1-3 carbon atoms, hydroxyalkyl containing 1-3 carbon atoms, alkoxymethyl wherein the alkoxy group contains 1-3 carbon atoms, or CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is H or CH.sub.3 ;A and A' when taken together with the carbon atom to which they are attached form a cycloalkyl containing 3-4 carbon atoms;R.sub.1 and R.sub.2 are each a branched-chain alkyl containing 3-5 carbon atoms; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: July 29, 1986
    Assignee: General Foods Corporation
    Inventors: Glenn M. Roy, Ronald E. Barnett, Paul R. Zanno
  • Patent number: 4572799
    Abstract: Sweeteners of the formula: ##STR1## and food-acceptable salts thereof, where the substituents are disclosed herein.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: February 25, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy
  • Patent number: 4571308
    Abstract: This invention relates to new compounds of the formula: ##STR1## wherein A is CO.sub.2 R in which R is alkyl containing 1-3 carbon atoms;A' is hydrogen or alkyl containing 1-3 carbon atoms;Y is --(CHR.sub.2).sub.n --R.sub.1 or --CHR.sub.3 R.sub.4 ;R.sub.1 is alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl containing at least one alkyl in the .beta.-position of the ring, up to 7 ring carbon atoms and up to a total of 12 carbon atoms;R.sub.2 is H or alkyl containing 1-4 carbon atoms;R.sub.3 and R.sub.4 are each cycloalkyl containing 3-4 ring carbon atoms;n=0 or 1; andm=0 or 1;and food-acceptable salts thereof.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: February 18, 1986
    Assignee: General Foods Corporation
    Inventors: Paul R. Zanno, Ronald E. Barnett, Glenn M. Roy