Patents by Inventor John F. Quirke

John F. Quirke 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).

Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds

Patent number: 5395957

Abstract: The invention relates to the separation of enantiomers of cimaterol, (-)-cimaterol, the addition salts thereof and processes for preparing them and their use in pharmaceutical compositions and animal feeds.

Type: Grant

Filed: December 14, 1993

Date of Patent: March 7, 1995

Assignee: Boehringer Ingelheim Vetmedica GmbH

Inventors: Wolfgang Resemann, Adolf Durr, Gunther Engelhardt, John F. Quirke
Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds

Patent number: 5292753

Abstract: The invention relates to the separation of enantiomers of cimaterol, (-)-cimaterol, the addition salts thereof and processes for preparing them and their use in pharmaceutical compositions and animal feeds.

Type: Grant

Filed: June 23, 1993

Date of Patent: March 8, 1994

Assignee: Boehringer Ingelheim Vetmedica GmbH

Inventors: Wolfgang Resemann, Adolf Durr, Gunther Engelhardt, John F. Quirke
Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in animal feeds

Patent number: 5248695

Abstract: The invention relates to the separation of enantiomers, of cimaterol, (-)-cimaterol, the addition salts thereof and processes for preparing them and their use in pharmaceutical compositions and animal feeds.

Type: Grant

Filed: April 30, 1991

Date of Patent: September 28, 1993

Assignee: Boehringer Ingelheim Vetmedica GmbH

Inventors: Wolfgang Resemann, Adolf Durr, Gunther Engelhardt, John F. Quirke

Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds

Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in pharmaceutical compositions and animal feeds

Separation of enantiomers of cimaterol, (-)-cimaterol and the use thereof in animal feeds