Patents by Inventor Carl-Heinrich Weischer

Carl-Heinrich Weischer 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 compositions containing R-&agr;-lipoic acid or S-&agr;-lipoic acid as active ingredient
    Patent number: 6271254
    Abstract: Pharmaceutical compositions and processes for their preparation containing R-&agr;-lipoic acid or S-&agr;-lipoic acid or pharmaceutically acceptable salts thereof. The pharmaceutical compositions have a cytoprotective activity and are suitable for combatting pain and inflammation.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: August 7, 2001
    Assignee: ASTA Pharma Aktiengesellschaft
    Inventors: Heinz Ulrich, Carl-Heinrich Weischer, Jürgen Engel, Helmut Hettche
  • Pharmaceutical composition containing R-.alpha.-lipoic acid or S-.alpha.-lipoic acid as active ingredient
    Patent number: 5728735
    Abstract: Pharmaceutical compositions and processes for their preparation containing R-.alpha.-lipoic acid or S-.alpha.-lipoic acid or pharmaceutically acceptable salts thereof. The pharmaceutical compositions have a cytoprotective activity and are suitable for combatting pain and inflammation.
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: March 17, 1998
    Assignee: Asta Pharma Aktiengesellschaft
    Inventors: Heinz Ulrich, Carl-Heinrich Weischer, Jurgen Engel, Helmut Hettche
  • Combination medications containing alpha-lipoic acid and related
    Patent number: 5569670
    Abstract: A pharmaceutical composition containing alpha-lipoic acid, dihydrolipoic acid, metabolites of alpha-lipoic acid (inter alia bisnortetralipoic acid and tetranorlipoic acid), optical isomers R- and S- forms of alpha-lipoic acid in oxidized and reduced form together with a vitamin, especially vitamins A, B1, B2, B6, B12, C and E and their pharmaceutically acceptable salts. The compositions are useful for producing analgesic, anti-inflammatory, antidiabetic, cytoprotective, anti-ulcer, antinecrotic, neuroprotective, detoxifying, anti-ischemic, liver function regulating, anti-allergic, immune-stimulating and antioncogenic effects.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: October 29, 1996
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Carl-Heinrich Weischer, Heinz Ulrich, Klaus Wessel
  • Method of treating inflammatory diseases with pharmaceutical composition containing dihydrolipoic acid as active substance
    Patent number: 5084481
    Abstract: Pharmaceutical compositions and their preparation which contain dihydrolipoic acid or its pharmaceutically acceptable salts as active substance. The pharmaceutical compositions have a cytoprotective effect and are suitable for combatting pain and inflammatory disorders.
    Type: Grant
    Filed: February 8, 1990
    Date of Patent: January 28, 1992
    Assignee: Asta Pharma Aktiengesellschaft
    Inventors: Heinz Ulrich, Carl-Heinrich Weischer, Jurgen Engel, Helmut Hettche
  • Ethylenediamine and guanidine-derivatives
    Patent number: 4738983
    Abstract: This invention relates to new compounds corresponding to the general formula: ##STR1## R.sub.1 represents a C.sub.3 -C.sub.10 cycloalkyl group substituted by C.sub.1 -C.sub.6 alkyl radicals, a C.sub.3 -C.sub.19 -cycloalkyl-C.sub.1 -C.sub.4 alkyl group which may be substituted by C.sub.1 -C.sub.6 alkyl radicals, a C.sub.6 -C.sub.8 bicycloalkyl group, a C.sub.6 -C.sub.8 bicycloalkyl-C.sub.1 -C.sub.4 alkyl group, a C.sub.6 -C.sub.10 tricycloalkyl group, a C.sub.6 -C.sub.10 tricycloalkyl-C.sub.1 -C.sub.4 alkyl group, a C.sub.6 -C.sub.9 tetracycloalkyl group or a C.sub.6 -C.sub.9 -tetracycloalkyl-C.sub.1 -C.sub.4 alkyl group,R.sub.2 represents hydrogen, a C.sub.1 -C.sub.6 alkyl group, a phenyl-C.sub.1 -C.sub.4 alkyl group or a C.sub.1 -C.sub.6 alkyl group which is substituted by halogen atoms, nitro groups, hydroxy groups, C.sub.2 -C.sub.6 alkanoyloxy groups, C.sub.1 -C.sub.4 alkoxy groups, C.sub.1 -C.sub.4 alkoxy carbonyl groups or carboxy groups,R.sub.
    Type: Grant
    Filed: December 7, 1983
    Date of Patent: April 19, 1988
    Assignee: Degussa aktiengesellschaft
    Inventors: Peter Emig, Gerhard Scheffler, Klaus Thiemer, Carl-Heinrich Weischer