Patents by Inventor Bimal N. Ganguli

Bimal N. Ganguli 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, balhimycin, a process for its production and its use as pharmaceutical
    Patent number: 5571701
    Abstract: Balhimycin, a compound of the molecular formula C.sub.66 H.sub.73 C1.sub.2 N.sub.9 0.sub.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: November 5, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Suresh R. Nadkarni, Sugata Chatterjee, Mahesh V. Patel, Kalvanapuram R. Desikan, Erra K. S. Vijayakumar, Bimal N. Ganguli, Jurgen Blumbach, Hans-Wolfram Fehlhaber, Herbert Kogler
  • Salmycins, a process for their preparation and their use as a pharmaceutical
    Patent number: 5475094
    Abstract: Salmycins, a process for their preparation and their use as a pharmaceutical Compounds of formula I, ##STR1## wherein R denotes .dbd.NOH (a), .dbd.O (b); --OH and --H (c), --NH.sub.2 and --H (d) or .dbd.N--O--R'(e);R' denotes phenyl or a branched or unbranched alkyl with 1 to 10 carbon atoms,R" denotes H, alkyl, hydroxy-alkyl and amino-alkyl, as well as the chemical equivalents and physiologically acceptable salts thereof. The salmycins and their derivatives are used as a pharmaceutical.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: December 12, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Laszlo Vertesy, Werner Aretz, Hans-Wolfram Fehlhaber, Bimal N. Ganguli
  • Compounds 31668P and 31668U, a process for their production and their use
    Patent number: 5459141
    Abstract: Compounds 31668P and 31668U, a process for their production and their use.Compound 31668P and compound 31668U with the formulae ##STR1## have an antibiotic and an antitumor action.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: October 17, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Laslo Vertesy, Joachim Betz, Hans-Wolfram Fehlhaber, Matthias Helsberg, Herbert Kogler, Michael Limbert, Dieter-Andreas Sukatsch, Ramaiyer R. Chandran, Bimal N. Ganguli
  • Antibiotic, balhimycin, a process for its production and its use as pharmaceutical
    Patent number: 5451570
    Abstract: Balhimycin, a compound of the molecular formula C.sub.66 H.sub.73 Cl.sub.2 N.sub.9 O.sub.24, is a novel Glycopeptide antibiotic and has the following structure (SEQ. ID. No.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: September 19, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Suresh R. Nadkarni, Sugata Chatterjee, Mahesh V. Patel, Kalvanapuram R. Desikan, Erra K. S. Vijayakumar, Bimal N. Ganguli, Jurgen Blumbach, Hans-Wolfram Fehlhaber, Herbert Kogler
  • Antibiotic, deoxymulundocandin, a process for its production and its use as medicament
    Patent number: 5387670
    Abstract: Deoxymulundocandin, a compound of the formula I (SEQ. ID NO: 1) ##STR1## has an antiyeast, an antifungal and an immunomodulatory action.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: February 7, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Triptikumar Mukhopadhyay, Hans-Wolfram Fehlhaber, Herbert Kogler, Bimal N. Ganguli
  • Antibiotic, cammunocin, a process for the preparation thereof, and the use thereof as a pharmaceutical
    Patent number: 5271935
    Abstract: Cammunocin, an active substance which can be obtained by cultivation of Streptomyces species Y-84,36210 (DSM 4329), has antibiotic and immunosuppressant activity.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: December 21, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Sugata Chatterjee, Erra K. S. Vijayakumar, Bimal N. Ganguli, Richard H. Rupp
  • Antibiotic compounds and their production
    Patent number: 5270182
    Abstract: The novel compounds of formulas I and II ##STR1## have an antibiotic activity.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: December 14, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Dilip J. Upadhyay, Louis E. L. Coutinho, Bimal N. Ganguli, Jurgen Blumbach, Hans-Wolfram Fehlhaber, Herbert Kogler
  • Aranorosinol-A and aranorosinol-B produced by Pseudoarachniotus roseus
    Patent number: 5240959
    Abstract: Aranorosinol-A and Aranorosinol-B are compounds of the formula ##STR1## in which R is H (Aranorosinol-A) or CH.sub.2 COCH.sub.3 (Aranorosinol-B); said compounds have antibacterial and antifungal activity.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: August 31, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Erra K. S. Vijayakumar, Ravi G. Bhat, Triptikumar Mukhopadhyay, Bimal N. Ganguli
  • Butalactin and its use as pharmaceutical
    Patent number: 5162368
    Abstract: Butalactin, a compound of the formula I ##STR1## can be produced by cultivation of Streptomyces species Y-86,36923. Butalactin has an antibiotic activity.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: November 10, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Erra K. Vijayakumar, Sugata Chatterjee, Bimal N. Ganguli, Jurgen Blumbach
  • Antibiotic alisamycin and its use
    Patent number: 5114967
    Abstract: Alisamycin, a compound of the formula I ##STR1## has an antibiotic, antitumor and antiparasitic action.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: May 19, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Erra K. S. Vijayakumar, Sugata Chatterjee, Bimal N. Ganguli, Jurgen Blumbach, Herbert Kogler, Hans-Wolfram Fehlhaber
  • Antibiotic, mersacidin, a process for the preparation thereof and the use thereof as a pharmaceutical
    Patent number: 5112806
    Abstract: Mersacidin, a cyclic peptide of the formula I ##STR1## has antibiotic activity.
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: May 12, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Sukumar Chatterjee, Sugata Chatterjee, Bimal N. Ganguli, Deepak K. Chatterjee, Rajendra K. H. Jani, Richard H. Rupp, Hans-Wolfram Fehlhaber, Herbert Kogler, Gerhard Seibert, Volker Teetz
  • Antibiotic, aranorosin, a microbiological process for the preparation thereof, and the use thereof as a pharmaceutical
    Patent number: 5112858
    Abstract: A new antibiotic, aranorosin, a microbiological process for the preparation thereof, and the use thereof as a pharmaceutical.Aranorosin, a compound of the formula ##STR1## can be prepared with the aid of the fungus culture Y-30499 (DSM 4151). Aranorosin has an antibiotic action as well as an action against malignant tumors.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: May 12, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Kirity Roy, Triptikumar Mukhopadhyay, Goukanapalli C. S. Reddy, Erra K. S. Vijayakumar, Bimal N. Ganguli, Richard H. Rupp, Hans-Wolfram Fehlhaber, Herbert Kogler
  • Antibiotic, fumifungin, a microbial process for the preparation thereof, and the use thereof as a pharmaceutical
    Patent number: 5001258
    Abstract: Fumifungin, a compound of the formula ##STR1## can be isolated from the culture broth of fungus culture No. Y-83,0405 (DSM 4152), and has bactericidal and fungicidal properties.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: March 19, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Triptikumar Mukhopadhyay, Kirity Roy, Hans-Wolfram Fehlhaber, Richard H. Rupp, Bimal N. Ganguli
  • Macrolide antibiotic and its use as a medicinal agent
    Patent number: 4988677
    Abstract: The present invention relates to the macrolide antibiotic swalpamycin, to a microbiological process for its preparation, to a new microorganism strain Streptomyces species, and to the use of swalpamycin as a medicinal agent for the treatment of infections caused by bacteria, mycoplasmas and Actinomycetes.
    Type: Grant
    Filed: August 25, 1987
    Date of Patent: January 29, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Julia Gandhi, Sugata Chatterjee, Goukanapalli C. S. Reddy, Bimal N. Ganguli, Richard H. Rupp, Herbert Kogler, Hans-Wolfram Fehlhaber
  • Ansamycin antibiotic and its use as a medicament
    Patent number: 4738958
    Abstract: The present invention relates to the compound naphthomycin H of the formula I ##STR1## and to a microbiological process for its preparation. The compound is active against Gram-positive bacteria and fungi and can be used as an antibiotic.
    Type: Grant
    Filed: April 1, 1986
    Date of Patent: April 19, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Christopher M. M. Franco, Goukanapalli C. S. Reddy, Triptikumar Mukhopadhyay, Bimal N. Ganguli, Hans-Wolfram Fehlhaber
  • Anthracycline derivatives and their use as cytostatics
    Patent number: 4713371
    Abstract: The present invention relates to the micro-organism Streptomyces purpurascens (DSM 2658), its mutants and variants, a process for the preparation of anthracycline derivatives by fermentation of these cultures and to the anthracycline derivatives themselves. The new compounds are distinguished by antibacterial activity and, in addition, they act against various types of tumors.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: December 15, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Aretz, Hans G. Berscheid, Gerhard Huber, Hans-Wolfram Fehlhaber, Hans P. Kraemer, Hans-Harald Sedlacek, Bimal N. Ganguli, Ratan S. Sood, Julia Gandhi, Gauknapalli C. Reddy
  • Bisamidine derivatives of 5,10-dioxo-4,5,9,10-tetrahydro-4,9-dioxopyrenes, of 6(5H)-phenanthridones, and of phenanthridines, useful as chemotherapeutic agents
    Patent number: 4599409
    Abstract: The present invention relates to new bisamidine derivatives of polycyclic compounds such as 5,10-dioxo-4,5,9,10-tetrahydro-4,9-dioxapyrene-6(5H)-phenanthridone and 5,10-dioxo-4,5,9,10-tetrahydro-4,9-dioxapyrenephenanthridine and to a process for their preparation. The polycyclic bisamidines according to the invention are distinguished by valuable chemotherapeutic properties, such as, for example, an action against amoebas and trichomonads.
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: July 8, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Balbir S. Bajwa, deceased, Dipak K. Chatterjee, Bimal N. Ganguli, Jurgen Reden, Noel J. de Souza