Patents by Inventor John Budavari

John Budavari 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).

  • Crystalline salts of L or (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine esters and process
    Patent number: 4914222
    Abstract: Crystalline salts of (R,S)-pivaloyloxyethyl esters of (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine, processes for their preparation and pharmaceutical composition are disclosed.
    Type: Grant
    Filed: September 30, 1986
    Date of Patent: April 3, 1990
    Assignee: Merck & Co., Inc.
    Inventors: John Budavari, Robert F. Czaja, Edward J. J. Grabowski, William F. Shukis, Arthur J. Zambito
  • Process for crystalline salts of L or (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine esters
    Patent number: 4670578
    Abstract: Crystalline salts of (R,S)-pivaloyloxyethyl esters of (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine and processes for their preparation are disclosed.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: June 2, 1987
    Assignee: Merck & Co., Inc.
    Inventors: John Budavari, Edward J. J. Grabowski
  • Crystalline diastereomeric L-alpha-methyldopa POE ester and process for its preparation
    Patent number: 4440942
    Abstract: Disclosed is a crystalline form of diastereomeric L-.alpha.-methyldopa POE ester, also referred to as (R),(S)-.alpha.-pivaloyloxyethyl-(S)-3-(3,4-dihydroxyphenyl)-2-methylalani nate and a process for its isolation. Also disclosed is an improved process for the formation of diastereomeric L-.alpha.-methyldopa POE ester.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: April 3, 1984
    Assignee: Merck & Co., Inc.
    Inventor: John Budavari