Patents by Inventor Manfred Albring

Manfred Albring 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).

  • Antiandrogenic 17-alpha-alkyl steroids
    Patent number: 4892867
    Abstract: 17.alpha.-Alkyl steroids of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl,R.sub.2 is alkyl or alkenyl of 2-6 carbon atoms,X is oxygen or the grouping H(OR.sub.3) wherein R.sub.3 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl, upon topical application, display antiandrogenic properties and can be utilized for the treatment of acne, seborrhea, alopecia and hirsutism.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: January 9, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Rudolf Wiechert, Dieter Bittler, Annerose Schleusener, Manfred Albring
  • Nifedipine combination preparation
    Patent number: 4814175
    Abstract: The invention relates to nifedipine combination preparations, containing nifedipine with delayed release of active agent and a .beta.-blocker in each case in granulated form, and their pharmaceutical usage as a therapeutic agent in cardiovascular diseases.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: March 21, 1989
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes-Wilhelm Tack, Manfred Albring, Fred Windt-Hanke
  • Antiandrogenic 17.alpha.-substituted steroids
    Patent number: 4558041
    Abstract: 17.alpha.-substituted steroids of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl,R.sub.2 is alkyl or alkenyl of 2-6 carbon atoms,X is oxygen or the grouping H(OR.sub.3) wherein R.sub.3 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl, upon topical application, display antiandrogenic properties and can be utilized for the treatment of acne, seborrhea, alopecia and hirsutism.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: December 10, 1985
    Assignee: Schering Aktiengesellschaft
    Inventors: Rudolf Wiechert, Dieter Bittler, Annerose Schleusener, Manfred Albring
  • Antiandrogenic 17.alpha.-alkyl steroids
    Patent number: 4456600
    Abstract: 17.alpha.-substituted steroids of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl,R.sub.2 is alkyl or alkenyl of 2-6 carbon atoms,X is oxygen or the grouping H(OR.sub.3) wherein R.sub.3 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl, upon topical application, display antiandrogenic properties and can be utilized for the treatment of acne, seborrhea, alopecia and hirsutism.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: June 26, 1984
    Assignee: Schering, Aktiengesellschaft (A.G.)
    Inventors: Rudolf Wiechert, Dieter Bittler, Annerose Schleusener, Manfred Albring
  • Antiandrogenic 17.alpha.-substituted steroids
    Patent number: 4344941
    Abstract: 17.alpha.-substituted steroids of the formula ##STR1## wherein R.sub.1 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl,R.sub.2 is alkyl or alkenyl of 2-6 carbon atoms,X is oxygen or the grouping H(OR.sub.3) wherein R.sub.3 is hydrogen, acyl, alkyl, alkenyl, alkyl or alkenyl interrupted by an oxygen atom, cyclopentyl, or tetrahydropyranyl, upon topical application, display antiandrogenic properties and can be utilized for the treatment of acne, seborrhea, alopecia and hirsutism.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: August 17, 1982
    Assignee: Schering Aktiengesellschaft (A.G.)
    Inventors: Rudolf Wiechert, Dieter Bittler, Annerose Schleusener, Manfred Albring