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:
Feb. 05, 1980
Filed:
May. 22, 1978
Applicant:
Inventor:
Alfred A Schleppnik, St. Louis, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 424 76 ;
Abstract
The compounds represented by the structural formula ##STR1## wherein A, B and C each independently represent hydrogen or lower alkyl having from 1 to 4 carbon atoms, provided that the sum of the carbon atoms in A, B and C is no more than 5,