Patents by Inventor José Aniceto López-Más

José Aniceto López-Más 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 cephalosporanic acid derivatives using a-ketoacid derivatives
    Publication number: 20040181056
    Abstract: A process for preparing cephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C compound of formula III:— 1
    Type: Application
    Filed: March 19, 2004
    Publication date: September 16, 2004
    Applicant: Bioferma Murcia S.A.
    Inventors: Alvaro Sanchez-Ferrer, Jose Aniceto Lopez-Mas, Francisco Garcia-Carmona
  • Process for preparing cephalosporanic acid derivatives using alpha-ketoacid derivatives
    Publication number: 20040175783
    Abstract: A process for preparing cephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C compound of formula III:— 1
    Type: Application
    Filed: March 19, 2004
    Publication date: September 9, 2004
    Applicant: Bioferma Murcia S.A.
    Inventors: Alvaro Sanchez-Ferrer, Jose Aniceto Lopez-Mas, Francisco Garcia-Carmona
  • Process for preparing cephalosporanic acid derivatives using &bgr;-ketoacid derivatives
    Patent number: 6730497
    Abstract: A process for preparing cephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C compound of formula III: into a 3-thiolated-&agr;-ketoadipyl-7-aminocephalosporanic acid derivative of formula IV: wherein R is a heterocyclic group comprising at least a nitrogen atom. Compounds of formula IV are used in the preparation of cephalosporin C antibiotics and derivatives thereof.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: May 4, 2004
    Assignee: Bioferma Murcia S.A.
    Inventors: Alvaro Sánchez-Ferrer, José Aniceto López-Más, Francisco García-Carmona
  • Process for preparing cephalosporin derivatives
    Publication number: 20040067549
    Abstract: An enzymatic process for preparing 3-thiolated 7-aminocephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C of the formula I: 1
    Type: Application
    Filed: September 25, 2003
    Publication date: April 8, 2004
    Applicant: Bioferma Murcia S.A.
    Inventors: Alvaro Sanchez-Ferrer, Jose Aniceto Lopez-Mas, Francisco Garcia-Carmona
  • Process for preparing cephalosporin derivatives
    Patent number: 6642020
    Abstract: An enzymatic process for preparing 3-thiolated 7-aminocephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C of the formula I: to form a 3-thiolated-glutaryl-7-ACA of the formula II and enzymatically converting a compound of formula II to form a 3-thiolated-7-ACA of the formula III wherein R is a heterocyclic group comprising at least one nitrogen atom and R1 and R2 are both hydrogen atoms or one of them is a hydrogen atom and the other is an acyl donor.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: November 4, 2003
    Assignee: Bioferma Murcia S.A.
    Inventors: Álvaro Sánchez-Ferrer, José Aniceto López-Más, Francisco Garcia-Carmona
  • "Process for preparing cephalosporanic acid derivatives using alpha-ketoacid derivatives"
    Publication number: 20030104515
    Abstract: A process for preparing cephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C compound of formula III: 1
    Type: Application
    Filed: April 19, 2002
    Publication date: June 5, 2003
    Inventors: Alvaro Sanchez-Ferrer, Jose Aniceto Lopez-Mas, Francisco Garcia-Carmona
  • Process for preparing cephalosporin derivatives
    Publication number: 20030073156
    Abstract: An enzymatic process for preparing 3-thiolated 7-aminocephalosporanic acid derivatives comprises the steps of enzymatically converting a 3-thiolated cephalosporin C of the formula I: 1
    Type: Application
    Filed: April 19, 2002
    Publication date: April 17, 2003
    Inventors: Alvaro Sanchez-Ferrer, Jose Aniceto Lopez-Mas, Francisco Garcia-Carmona