Patents by Inventor Hans C. A. Evers

Hans C. A. Evers 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).

  • Filled unit dose container
    Patent number: 4643309
    Abstract: The invention relates to a filled, thermoplastic unit dose injection solution container the outlet opening of which is sealed. The outlet opening is designed to fulfill the specifications for a standardized female cone intended to be non-leakingly connected to a correspondingly standardized male cone of a syringe in order to transfer the injection solution directly into the syringe. The unit dose container is preferably non-resealably sealed.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: February 17, 1987
    Assignee: Astra Lakemedel AB
    Inventor: Hans C. A. Evers
  • Local anesthetic mixture for topical application, process for its preparation, as well as method for obtaining local anesthesia
    Patent number: 4562060
    Abstract: The present invention relates to pharmacological active preparations, especially local anesthetic preparations and deals with the problem of i a obtaining a solution of a local anesthetic agent in the form of its base, where the concentration is higher than otherwise possible. This problem has been dissolved according to the present invention thereby that one local anesthetic agent in the form of its base and as such having a melting point of 30.degree. to 50.degree. C., preferably prilocaine or tetracaine, is provided with one other local anesthetic agent in the form of its base and as such having a melting point of above 30.degree. C., preferably above 40.degree. C., preferably bensocaine, lidocaine, bupivacaine, mepivacaine, etidocaine or tetracaine which agents when brought and heated together form a homogenous oil having a melting of preferably below 40.degree. C., more preferably below 25.degree. C.
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: December 31, 1985
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Berndt F. J. Broberg, Hans C. A. Evers
  • Local anesthetic mixture for topical application and method for obtaining local anesthesia
    Patent number: 4529601
    Abstract: The present invention relates to pharmacological active preparations, especially local anesthetic preparations and deals with the problem of i a obtaining a solution of a local anesthetic agent in the form of its base, where the concentration is higher than otherwise possible. This problem has been dissolved according to the present invention thereby that one local anesthetic agent in the form of its base and as such having a melting point of 30.degree. to 50.degree. C., preferably prilocaine or tetracaine, is provided with one other local anesthetic agent in the form of its base and as such having a melting point of above 30.degree. C., preferably above 40.degree. C., preferably bensocaine, lidocaine, bupivacaine, mepivacaine, etidocaine or tetracaine which agents when brought and heated together form a homogenous oil having a melting of preferably below 40.degree. C., more preferably below 25.degree. C.
    Type: Grant
    Filed: August 26, 1982
    Date of Patent: July 16, 1985
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Berndt F. J. Broberg, Hans C. A. Evers