The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 1976
Filed:
Nov. 06, 1973
Applicant:
Inventors:
Manfred Kleemann, Tamm, DT;
Joachim Kahling, Biberach, Riss, DT;
Gerhart Griss, Biberach, Riss, DT;
Rudolf Hurnaus, Biberach, Riss, DT;
Assignee:
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 260477 ; 2604 / ; 2605 / ; 424250 ;
Abstract
This invention relates to cyclobutane derivatives having the formula ##SPC1## Wherein R.sub.1 to R.sub.3, which may be the same or different, represent hydrogen atoms, halogen atoms, hydroxy, trifluoromethyl, benzyloxy, acyloxy groups, alkyl groups with 1 to 6 carbon atoms, alkoxy groups with 1 to 3 carbon atoms, phenyl, cyclohexyl, or 2 of the radicals R.sub.1 to R.sub.3 together represents a methylenedioxy group,