Patents by Inventor John H. Fried

John H. Fried 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: 3951618
    Abstract: Compositions containing and methods employing, as the essential ingredient, novel disubstituted xanthone carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed. 5-Methylthio-7-isopropoxyxanthone-2-carboxylic acid and 5,7-di-(methylthio)xanthone-2-carboxylic acid are illustrated as representative compounds.
    Type: Grant
    Filed: January 20, 1975
    Date of Patent: April 20, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jurg R. Pfister, Ian T. Harrison, John H. Fried
  • Patent number: 3949084
    Abstract: Compositions containing and methods employing, as the essential ingredient, novel substituted xanthone carboxylic acid compounds which are useful in the treatment of allergic conditions. Methods for preparing these compounds and compositions and intermediates therein are also disclosed. 6-Acetylxanthone-2-carboxylic acid is illustrated as a representative compound.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: April 6, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Jurg R. Pfister, Ian T. Harrison, John H. Fried
  • Patent number: 3947472
    Abstract: 2-(2'-Naphthyl) acetaldehyde derivatives optionally substituted at the 2 position and/or positions C-1',4',5',7' or 8'; and/or position C-6' or positions C-5' and 7' exhibit anti-inflammatory, analgesic, antipyretic and anti-pruritic activity.
    Type: Grant
    Filed: July 29, 1974
    Date of Patent: March 30, 1976
    Assignee: Syntex Corporation
    Inventors: John H. Fried, Ian T. Harrison
  • Patent number: 3940407
    Abstract: Novel 4-[2,3 or 4(3-amino-2-hydroxypropoxy) phenyl]- and 5-[2,3 or 4(3-amino-2-hydroxypropoxy) phenyl]-1,2,3-thiadiazole derivatives which may be further substituted at the C-5 or C-4 position of the thiadiazole ring, respectively, by a lower alkyl, phenyl, trifluoromethyl, carboxy, alkoxycarbonyl, cyano or an aminocarbonyl group, and the pharmaceutically acceptable acid addition salts thereof and processes for the production of such compounds; 4-[4(3-t-butylamino-2-hydroxypropoxy)phenyl]-1,2,3-thiadiazole and 5-[4(3-t-butylamino-2-hydroxypropoxy)phenyl]-1,2,3-thiadiazole are representative of the class. These compounds possess cardiovascular activity and are useful for the treatment of abnormal heart conditions in mammals.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: February 24, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Joseph M. Muchowski, John H. Fried
  • Patent number: 3935209
    Abstract: Benzene ring substituted benzimidazole-2-carbamate derivatives represented by the formula: ##SPC1##Where R is a lower alkyl group having 1 to 4 carbon atoms; R.sup.1 is a heterocyclic ring having 1-4 hetero atoms; and M is O, S, or ##EQU1## The R.sup.1 M-substitution is at the 5(6)-position. The compounds are useful as pesticides, particularly as anthelmintic and antifungal agents.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: January 27, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Colin C. Beard, John A. Edwards, John H. Fried
  • Patent number: 3935273
    Abstract: 2-(2'-Naphthyl) acetaldehyde derivatives optionally substituted at the 2 position and/or positions C-1',4',5',7' or 8'; and/or position C-6' or positions C-5' and 7' exhibit anti-inflammatory, analgesic, antipyretic and anti-pruritic activity.
    Type: Grant
    Filed: April 25, 1974
    Date of Patent: January 27, 1976
    Assignee: Syntex Corporation
    Inventors: John H. Fried, Ian T. Harrison