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:
Apr. 10, 1990
Filed:
Jul. 31, 1987
Applicant:
Inventors:
Dieter Reuschling, Butzbach, DE;
Bengt-Thomas Grobel, Bad Soden am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546290 ; 546301 ; 546302 ; 546303 ;
Abstract
1-Hydroxy-2-pyridones of the formula I ##STR1## in which R.sup.1 =an organic radical and
Reuschling, Dieter. (1990). Process for the preparation of 1-hydroxy-2-pyridones (U.S. Patent No. 4916228). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4916228
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile