Patents by Inventor Mahesh G. Patel

Mahesh G. Patel 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).

  • Antibiotic, antitumor compounds and their use
    Patent number: 4743594
    Abstract: Actinomadura melliaura nov. sp. (ATCC 39691) produces four novel compounds which we have designated AT 2433 A.sub.1, AT 2433 A.sub.2, AT 2433 B.sub.1 and AT 2433 B.sub.2. The novel compounds or pharmaceutically acceptable salts thereof exhibit antibacterial and antitumor activity.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: May 10, 1988
    Assignee: Schering Corporation
    Inventors: Ann C. Horan, Jerzy Golik, James A. Matson, Mahesh G. Patel
  • Antibiotic 13-384 complex from Micromonospora carbonacea var africana
    Patent number: 4597968
    Abstract: The antibiotic 13-384 complex is elaborated by a new variety of Micromonospora carbonacea; namely Micromonospora carbonacea var africana NRRL 15099.
    Type: Grant
    Filed: June 21, 1984
    Date of Patent: July 1, 1986
    Assignee: Schering Corporation
    Inventors: Jay A. Waitz, Mahesh G. Patel, Joseph A. Marquez, Manohar G. Kalyanpur, Ann C. Horan
  • Broad spectrum antibiotic complex produced by a novel micromonospora
    Patent number: 4440751
    Abstract: The novel antibiotic complex designated hazymicin consisting of eight components, is produced by a novel strain of Micromonospora herein designated Micromonospora echinospora var. challisensis SCC 1411. Also disclosed are the structures of the two components namely, Component 5 and Component 6.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: April 3, 1984
    Assignee: Schering Corporation
    Inventors: Jay A. Waitz, Joseph A. Marquez, Mahesh G. Patel, Ann C. Horan
  • Kijanimicin antibiotics and derivatives thereof
    Patent number: 4375542
    Abstract: Actinomadura Kijaniata nov. sp produces a novel antibiotic which we have designated kijanimicin. The antibiotic or cationic salts thereof exhibit anti-acne, antitumor, antimalarial, antibacterial and anti-inflammatory activity.
    Type: Grant
    Filed: October 8, 1980
    Date of Patent: March 1, 1983
    Assignee: Schering Corporation
    Inventors: Jay A. Waitz, Mahesh G. Patel, Ann C. Horan
  • Antibiotic 67-121, a new polyene antifungal antibiotic produced by Actinoplanes caeruleus
    Patent number: 4359462
    Abstract: A microorganism of the genus Acetinoplanes 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: May 14, 1980
    Date of Patent: November 16, 1982
    Assignee: Schering Corporation
    Inventors: Marvin J. Weinstein, Gerald H. Wagman, Joseph A. Marquez, Mahesh G. Patel
  • Antibiotic W-10 complex, antibiotic 20561 and antibiotic 20562 as antifungal agents
    Patent number: 4232006
    Abstract: A novel antibiotic complex exhibiting antifungal activity is produced by fermenting a novel species of bacteria from the genus Aeromonas, the bacterium being herein designated Aeromonas sp. W-10. The antibiotic complex is comprised of at least three and possibly as many as six components and has been designated Antibiotic W-10 Complex. Two members of the complex have been isolated in substantially pure form and are designated Antibiotic 20561 and Antibiotic 20562, the antibiotics exhibiting substantial antifungal activity.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: November 4, 1980
    Assignee: Schering Corporation
    Inventors: David Taplin, Marvin J. Weinstein, Raymond T. Testa, Joseph A. Marquez, Mahesh G. Patel
  • Process for the preparation of antibiotic W-10 complex and for the isolation of Antibiotic 20561 and Antibiotic 20562 therefrom
    Patent number: 4230799
    Abstract: A novel antibiotic complex exhibiting antifungal activity is produced by fermenting a novel species of bacteria from the genus Aeromonas, the bacterium being herein designated Aeromonas sp. W-10. The antibiotic complex is comprised of at least three and possibly as many as six components and has been designated Antibiotoc W-10 Complex. Two members of the complex have been isolated in substantially pure form and are designated Antibiotic 20561 and Antibiotic 20562, the antibiotics exhibiting substantial antifungal activity.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: October 28, 1980
    Assignee: Schering Corporation
    Inventors: David Taplin, Marvin J. Weinstein, Raymond T. Testa, Joseph A. Marquez, Mahesh G. Patel
  • Antibiotic 67-121, a polyene antifungal antibiotic produced by Actinoplanes caeruleus
    Patent number: 4223130
    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: September 28, 1978
    Date of Patent: September 16, 1980
    Assignee: Schering Corporation
    Inventors: Marvin J. Weinstein, Gerald H. Wagman, Joseph A. Marquez, Mahesh G. Patel
  • Process for the preparation of antibiotic W-10 complex and for the isolation of antibiotic 20561 and antibiotic 20562 therefrom
    Patent number: 4137224
    Abstract: A novel antibiotic complex exhibiting antifungal activity is produced by fermenting a novel species of bacteria from the genus Aeromonas, the bacterium being herein designated Aeromonas sp. W-10. The antibiotic complex is comprised of at least three and possibly as many as six components and has been designated Antibiotic W-10 Complex. Two members of the complex have been isolated in substantially pure form and are designated Antibiotic 20561 and Antibiotic 20562, the antibiotics exhibiting substantial antifungal activity.
    Type: Grant
    Filed: February 9, 1977
    Date of Patent: January 30, 1979
    Assignee: Schering Corporation
    Inventors: David Taplin, Marvin J. Weinstein, Raymond T. Testa, Joseph A. Marquez, Mahesh G. Patel
  • 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