Patents by Inventor Samuel M. Ringel

Samuel M. Ringel 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).

  • Diacyloxyacids derived from acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4191825
    Abstract: The present invention relates to diacyloxyacids derived from the antibiotic substance, designated acid S, produced by Polyangium cellulosum var. fulvum (ATCC No. 25532), and to processes for their production. The diacyloxyacids derivatives of acid S of this invention are useful as antifungal and antibacterial agents.
    Type: Grant
    Filed: October 5, 1978
    Date of Patent: March 4, 1980
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Sidney Roemer, Maximillian von Strandtmann
  • Diacyloxyacids derived from acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4138550
    Abstract: The present invention relates to diacyloxyacids derived from the antibiotic substance, designated acid S, produced by Polyangium cellulosum var. fulvum (ATCC No. 25532), and to processes for their production. The diacyloxyacids derivatives of acid S of this invention are useful as antifungal and antibacterial agents.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: February 6, 1979
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Sidney Roemer, Maximillian Von Strandtmann
  • 1-Nor-2-amino carbamates derived from acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4107429
    Abstract: The present invention relates to 1-nor-2-amino carbamates derived from the antibiotic substance, designated acid S, produced by Polyangium cellulosum var. fulvum (ATCC No. 25532), and to processes for their production. The 1-nor-2-amino carbamates of acid S of this invention are useful as antifungal agents.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: August 15, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Maximilian VON Strandtmann
  • Aldehyde, oxime and phenylhydrazone derivatives of acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4098998
    Abstract: The present invention relates to aldehyde, oxime and phenylhydrazone derivatives of the novel antibiotic substance, acid S, produced by the organism Polyangium cellulosum var. fulvum (ATCC No. 25532) and to processes for their preparation. The aldehyde, oxime and phenylhydrazone derivatives of acid S of this invention are useful as antifungal agents.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: July 4, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Maximillian Von Strandtmann
  • Amide derivatives of acids, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4016257
    Abstract: The present invention relates to cyclic and acyclic amide derivatives of the antibiotic substance, designated acid S, produced by Polyangium cellulosum var. fulvum (ATTC No. 25532), to the acetates thereof and to processes for the production of the amides and their corresponding diacetates. The amide derivatives of acid S of this invention are useful as antifungal and antibacterial agents.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: April 5, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Maximilian VON Strandtmann
  • 7-Substituted triol derivatives of acid S, an antibiotic produced by polyangium cellulosum var. fulvum
    Patent number: 4009261
    Abstract: The present invention relates to 7-substituted triol derivatives of the novel antibiotic substance, acid S, produced by the organism Polyangium cellulosum var. fulvum (ATCC No. 25532) and to processes for their preparation. The 7-substituted triol derivatives of acid S of this invention are useful as antifungal agents.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: February 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Maximilian VON Strandtmann
  • Octahydro and decahydro derivatives of acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
    Patent number: 4001398
    Abstract: The present invention describes octahydro and decahydro derivatives of the novel antibiotic substance, acid S, produced by the organism Polyangium cellulosum var. fulvum (ATCC No. 25532) and to processes for their preparation. The octahydro and dechydro derivatives of acid S of this invention are useful as antifungal and antibacterial agents.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: January 4, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Sidney Roemer, Maximilian VON Strandtmann
  • Triols and acetates thereof derived from antibiotic substance, acid S, produced by polyangium cellulosum var. fulvum
    Patent number: 3932621
    Abstract: The present invention relates to triols derived from antibiotic substance, designated acid S, produced by Polyangium cellulosum var. fulvum (ATCC No. 25532), to the acetates thereof and to processes for the production of the triols and corresponding acetates. These triols and acetates are potent antifungal agents inhibiting the growth of a variety of fungi, including H. capsulatum, T. mentagrophytes and M. fulvum.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: January 13, 1976
    Assignees: Max VON Strandtmann, Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel
  • Ketones and ketoximes derived from acid S, an antibiotic produced by polyangium cellulosum var. fulvum
    Patent number: 3932620
    Abstract: The present invention relates to keto and ketoxime derivatives of the novel antibiotic substance, acid S, produced by the microorganism Polyangium cellulosum var. fulvum (ATCC N0. 25532) and to processes for their preparation. The novel keto and ketoxime derivatives of acid S of this invention are useful antifungal agents.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: January 13, 1976
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Samuel M. Ringel, Maximilian VON Strandtmann