Patents by Inventor Bozidar Palameta

Bozidar Palameta 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).

  • Pyridinyl substituted ketenemercaptal derivatives
    Patent number: 4542140
    Abstract: .alpha.-Cyanoacrylic acid lower alkyl esters, and their corresponding amides, characterized by having a heterocyclic containing mercapto radical as one .beta.-substituent and an alkylthio, alkenylthio or a heterocyclic containing mercapto radical as another .beta.-substituent are useful for treating ulcers and for suppressing gastric acid secretion.
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: September 17, 1985
    Assignee: American Home Products Corporation
    Inventors: Jehan Bagli, Tibor Bogri, Bozidar Palameta, Luis E. Borella
  • 4,7-Dihydro-4,7-dioxi-1H-cyclohepta[b]pyridine derivatives
    Patent number: 4382088
    Abstract: Aldose reductase inhibitors of the formula ##STR1## in which R.sup.1 is CH.sub.2 COOR.sup.4 wherein R.sup.4 is hydrogen or lower alkyl; R.sup.2 is COOR.sup.5 wherein R.sup.5 is hydrogen or lower alkyl; and R.sup.3 is lower alkoxy, benzyloxy or CH.sub.2 COOR.sup.6 wherein R.sup.6 is hydrogen or lower alkyl; with the provisos that when R.sup.4 is hydrogen then R.sup.5 and R.sup.6 is hydrogen; and that when R.sup.4 is lower alkyl then R.sup.5 and R.sup.6 are lower alkyl with R.sup.4 and R.sup.6 being the same lower alkyl; are useful for treating diabetic complications.
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: May 3, 1983
    Assignee: Ayerst, McKenna & Harrison, Inc.
    Inventors: Bozidar Palameta, Tibor Bogri, Jehan Bagli
  • 4,9-Dihydro-4,9-dioxo-1H-cyclohepta[b]pyridine derivatives
    Patent number: 4381304
    Abstract: Aldose reductase inhibitors of the formula ##STR1## in which R.sup.1 is COOH and R.sup.2 is hydrogen, 8-halo or 6-hydroxy, or R.sup.1 is CON(R.sup.3)-CH.sub.2 COOH wherein R.sup.3 is lower alkyl and R.sup.2 is hydrogen or 8-halo are useful for treating diabetic complications.
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: April 26, 1983
    Assignee: Ayerst, McKenna & Harrison, Inc.
    Inventors: Bozidar Palameta, Tibor Bogri, Jehan Bagli
  • Cyclohepta[b]pyrrole derivatives
    Patent number: 4337265
    Abstract: Disclosed herein are 1,2-dihydro-2-oxo(or 2-thioxo)cyclohepta[b]-pyrrole-1-acetic acid derivatives having optional substitution at positions 3, on the cycloheptatriene ring and on the acetic acid side chain. The compounds are aldose reductase inhibitors and thus are useful for treating diabetic complications.
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: June 29, 1982
    Assignee: Ayerst, McKenna & Harrison Inc.
    Inventors: Adi Treasurywala, Bozidar Palameta, Tibor Bogri, Jehan Bagli