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:
Mar. 13, 1979
Filed:
Jul. 08, 1976
Applicant:
Inventors:
Karl-Heinz Boltze, Bensberg-Kippekausen, DE;
Peter-Rudolf Seidel, Porz-Wahnheide, DE;
Haireddin Jacobi, Leichlingen, DE;
Helmut Schwarz, Bensberg-Frankenforst, DE;
Assignee:
Troponwerke Dinklage & Co., Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
42424854 ; 26034345 ; 424274 ; 424281 ; 424250 ; 424267 ; 542427 ; 542416 ; 542426 ; 544 78 ; 544 79 ; 544151 ; 544357 ; 546187 ;
Abstract
Novel 2-benzopyranone compounds of the formula ##STR1## wherein X is a 3,4,5-trimethoxybenzoyl group or a 3,4,5-trimethoxycinnamoyl group; and each
Boltze, Karl-Heinz. (1979). 2-benzopyranone derivatives, process for their production, their use as (U.S. Patent No. 4144336). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4144336
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile