Patents by Inventor Bertil H. Takman

Bertil H. Takman 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).

  • Patent number: 4029794
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: June 14, 1977
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman
  • Patent number: 4029793
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: December 9, 1975
    Date of Patent: June 14, 1977
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman
  • Patent number: 4022899
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: December 10, 1975
    Date of Patent: May 10, 1977
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman
  • Patent number: 4001413
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: January 4, 1977
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman
  • Patent number: 3988473
    Abstract: Tertiary-alkylamino-lower acyl-xylidides have unusually long lasting local anaesthetic effect or high local anaesthetic activity while also having a satisfactory low level of tissue irritation and a satisfactory low acute toxicity. Combinations of such local anaesthetics with the biotoxins tetrodotoxin or saxitoxin are disclosed. Novel tertiary alkyl secondary amines, and methods for preparing such local anaesthetics and amines are also disclosed.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: October 26, 1976
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Jon C. Anderson, Murray R. Blair, Jr., Robert L. Di Rubio, Bertil H. Takman
  • Patent number: 3966934
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, tetrodotoxin or desoxytetrodotoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: June 12, 1973
    Date of Patent: June 29, 1976
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman
  • Patent number: 3957996
    Abstract: A local anesthetic composition comprising a mixture in a pharmaceutically acceptable carrier of a particular toxin, namely, saxitoxin, and another compound, generally a conventional local anesthetic compound or a similar compound having nerve-blocking properties.
    Type: Grant
    Filed: June 12, 1973
    Date of Patent: May 18, 1976
    Assignee: Astra Pharmaceutical Products, Inc.
    Inventors: Herbert J. F. Adams, Bertil H. Takman