Patents Represented by Attorney Carver Joyner

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  • Process for preparing 2-halogeno nicotinic acids
    Patent number: 4081451
    Abstract: This invention relates to a novel process for preparing 2-halogeno-nicotinic acids. The compounds, especially 2-chloro-nicotinic acid, are intermediates in the preparation of anilino nicotinic acid derivatives. The latter compounds are useful as analgesic anti-diarrheal and anti-inflammatory agents.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: March 28, 1978
    Assignee: Schering Corporation
    Inventor: Joseph Mayer
  • Selective acylation of the C-1 amino group of aminoglycoside antibiotics
    Patent number: 4029882
    Abstract: A novel process for preparing novel 1-N-acyl-4,6-di-(aminoglycosyl)aminocyclitols is disclosed. The compounds are useful as antibacterial agents.
    Type: Grant
    Filed: March 19, 1974
    Date of Patent: June 14, 1977
    Assignee: Schering Corporation
    Inventor: John J. Wright
  • Antibiotic 67-121, a polyene antifungal antibiotic produced by actinoplanes caeruleus
    Patent number: 4027015
    Abstract: A microorganism of the genus Actinoplanes produces a novel complex of polyene antibiotics herein designated collectively Antibiotic 67-121 (and sometimes referred to as the Antibiotic 67-121 complex). The individual components are designated Antibiotic 67-121A, Antibiotic 67-121B, Antibiotic 67-121C and Antibiotic 67-121D. The individual components have ultraviolet spectra characteristic of heptaenes. Further, they are orally active against a variety of strains of Candida albicans including many clinical isolates thereof.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: May 31, 1977
    Assignee: Schering Corporation
    Inventors: Marvin J. Weinstein, Gerald H. Wagman, Joseph A. Marquez, Mahesh G. Patel
  • Novel monoesters of rosamicin
    Patent number: 4017516
    Abstract: Described herein are novel monoesters of rosamicin, also known as Antibiotic 67-694. Also described is a process for the preparation of such esters by the selective solvolysis of diester precursors. The monoesters are broad spectrum antibacterial agents but are generally more effective against gram-positive bacteria.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: April 12, 1977
    Assignee: Schering Corporation
    Inventor: Hans Reimann