Patents by Inventor Helmut Wetzig

Helmut Wetzig 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).

  • Pharmaceutical preparation for the therapeutic treatment of rheumatic diseases
    Patent number: 4687766
    Abstract: Pharmaceutical preparation containing phospholipids for the therapeutic treatment of rheumatic diseases which contain in addition to the antiphlogistically acting oxicam derivatives of the general formula ##STR1## special 1,2-diacyl-glycero-3-phosphocholines wherein 75-86% by weight of the acyl radicals are unsaturated fatty acid radicals, and the preparation thereof.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: August 18, 1987
    Assignee: A. Natterman & Cie, GmbH
    Inventors: Armin Wendel, Sigurd Leyck, Helmut Wetzig, Jorg Hager, Manfred Durr, Miklos Ghyczy
  • 1,4,5-triphenylimidazol-2-yl mercapto alkanoic acids, useful against inflammation and diseases responding to lipid lowering
    Patent number: 4654358
    Abstract: The invention is related to imidazol-2-yl mercapto alkanoic acids having the formula I ##STR1## process for the treatment of humans suffering from inflammatory diseases or diseases in relation with the lipid metabolism.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: March 31, 1987
    Assignee: A. Nattermann & Cie GmbH
    Inventors: Hans-Heiner Lautenschlager, Gerrit Prop, Helmut Wetzig
  • Process for the production of .beta.-elemonic acid and pharmaceutical preparations containing said acid
    Patent number: 4618605
    Abstract: Disclosed is a process for the production of .beta.-elemonic acid from an alcoholic solution of gum elemi by recovering a crude mixture of elemi acids containing .beta.-elemonic acid, .DELTA..sup.7 .alpha.-elemonic acid and .DELTA..sup.8 .alpha.-elemolic acid by the use of a basic ion exchanger, isomerizing the .DELTA..sup.7 .alpha.-elemolic acid to .DELTA..sup.8 .alpha.-elemolic acid in a chlorinated hydrocarbon by use of a mineral acid, oxidizing the .DELTA..sup.8 .alpha.-elemolic acid to yield additional .beta.-elemonic acid and separating and purifying the total resulting .beta.-elemonic acid from the acid mixture. Also disclosed are pharmaceutical preparations for the treatment of inflammatory conditions containing .beta.-elemonic acid as the active ingredient.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: October 21, 1986
    Inventors: Gunter Stapel, Karl-Heinz Gober, Sigurd Leyck, Helmut Wetzig, Christian Birkner, Kurt Kesselring, Bruno Christ, Klaus Steiner, Friedhelm Schroder
  • 3-amino-1-(4,5,6,7-tetrahydro-benzothiazolyl)-2-pyrazolines and a process for the treatment of inflammatory or allergic processes in humans
    Patent number: 4600722
    Abstract: The invention relates to new 3-amino-1-(4,5,6,7-tetrahydro-benzothiazolyl)-2-pyrazolines of the Formula I ##STR1## and acid addition salts thereof and a process for the treatment of inflammatory and allergic processes in humans.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: July 15, 1986
    Assignee: A. Nattermann & Cie GmbH
    Inventors: Joachim Uhlendorf, Harald O. Borbe, Sigurd Leyck, Michael J. Parnham, Helmut Wetzig