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:
Aug. 03, 1976
Filed:
Jan. 07, 1974
Applicant:
Inventors:
Erich Schinzel, Hofheim, Taunus, DT;
Wilfried Sahm, Kelkheim, Taunus, DT;
Gunter Rosch, Altenhain, Taunus, DT;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 25230122 ;
Abstract
1,3-BUTADIENES CONTAINING AT LEAST ONE TERMINAL 2-BENZOFURANYL GROUP ARE OBTAINABLE BY HORNER syntheses. The products are optical brighteners.
Quick Actions:
Schinzel, Erich. (1976). Butadiene derivatives, process for their preparation and their use as (U.S. Patent No. 3972877). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3972877
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile