Patents by Inventor Alfred G. Maasbol

Alfred G. Maasbol 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).

  • L-Glaucine containing composition for cough relief
    Patent number: 4370331
    Abstract: An antitussive composition comprising a pharmaceutically acceptable carrier and from about 4 to about 99 percent by weight of a glaucine compound selected from the group consisting of l-glaucine, d,l-glaucine, the physiologically acceptable salts thereof and mixtures thereof.
    Type: Grant
    Filed: May 16, 1980
    Date of Patent: January 25, 1983
    Assignee: Karl O. Helm Aktiengesellschaft
    Inventor: Alfred G. Maasbol
  • Thrombocyte aggregation inhibiting composition and methods
    Patent number: 4279914
    Abstract: Platelet aggregation inhibiting compositions containing as active agent at least one compound selected from the group consisting of tetrahydroxyaporphine, glaucine containing 50 to 100% l-glaucine, and the physiologically acceptable salts and N-alkyl ammonium salts thereof are disclosed, as is a method for inhibiting platelet aggregation by administration of effective dosages of such compounds admixed with suitable carriers.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: July 21, 1981
    Assignees: Hermann Gottfried Schnabel Fa., Karl O. Helm
    Inventors: Alfred G. Maasbol, Alexander K. Sim
  • Preparation of thioethers
    Patent number: 4267375
    Abstract: Thioethers may be prepared by reacting a thiol, such as thiophenol, with an alcohol (having electron donor groups in the alpha or beta position to its hydroxyl group) such as phenyl-1-hydroxy-phenethylsulfide. Reaction is carried out in the presence of a Lewis Acid metal halide, typically zinc chloride.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: May 12, 1981
    Assignee: s.a. Texaco Belgium n.v.
    Inventors: Alfred G. Maasbol, Lothar G. Dulog
  • Detergent composition containing sulfinyl dipropionic acids
    Patent number: 4147673
    Abstract: Disclosed is a detergent composition containing from 0.1 to 1.0 percent by weight of a sulfinyl dipropionic acid of the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 can be the same or different and are hydrogen or lower alkyl. The preferred compound is sulfinyl dipropionic acid.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: April 3, 1979
    Assignee: S.A. Texaco Belgium n.v.
    Inventors: Lothar G. Dulog, Alfred G. Maasbol