Patents by Inventor Pierre Barthelemy

Pierre Barthelemy 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 cheese and product produced
    Patent number: 4588593
    Abstract: A process for improving the cheese capacity of milk used in the preparation of uncooked or half-cooked pressed paste cheeses comprising adding to the milk during the course of the preparation of said uncooked or half-cooked pressed paste cheeses, an enzyme extracted from a culture of Micrococcus caseolyticus; and the uncooked or half-cooked pressed paste cheese prepared thereby.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: May 13, 1986
    Assignee: Roussel Uclaf
    Inventors: Pierre Barthelemy, Michel Desmazeaud
  • Derivatives of coenzyme B.sub.12
    Patent number: 4364939
    Abstract: Novel monoesters of cobamide derivatives of coenzyme B.sub.12 of the formula: ##STR1## wherein R is acyl of an organic carboxylic acid of 4 to 20 carbon atoms and Co is .alpha.-(5,6-dimethyl-benzimidazolyl)-cobamide which is a mixture of the said monoesters having dibencozide type properties and a process for their preparation.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: December 21, 1982
    Assignee: Roussel Uclaf
    Inventors: Denise Autissier, Pierre Barthelemy
  • Process for the preparation of 7-amino-cephalosporanic acid
    Patent number: 4250307
    Abstract: A novel compound selected from the group consisting of the compound of the formula ##STR1## the metal salts, the ammonium salt and the salts with nitrogen bases, a process for the preparation of the said compounds and a process for the preparation of 7-amino-cephalosporanic acid starting from a compound of formula I.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: February 10, 1981
    Assignee: Roussel Uclaf
    Inventor: Pierre Barthelemy
  • Cephalosporin derivatives and process
    Patent number: 4189574
    Abstract: A novel compound selected from the group consisting of the compound of the formula ##STR1## the metal salts, the ammonium salt and the salts with nitrogen bases, a process for the preparation of the said compounds and a process for the preparation of 7-aminocephalosporanic acid starting from a compound of formula I.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: February 19, 1980
    Assignee: Roussel Uclaf
    Inventor: Pierre Barthelemy