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.

Date of Patent:
Aug. 11, 1981

Filed:

Apr. 10, 1979
Applicant:
Inventors:

Walter Sibral, Tulln, AT;

Oskar Schmidt, Kittsee, AT;

Assignee:

Lim-Holding S.A, Luxembourg, LU;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
548310 ; 548305 ; 548312 ; 544314 ; 2604 / ; 560 50 ; 528 62 ; 528 64 ; 528 73 ;
Abstract

Object of the invention are new diisatoic acid and triisatoic acid derivatives of the general formula I ##STR1## wherein n represents 2 or 3, X stands for oxygen or sulfur and R for a group of the general formula II


Find Patent Forward Citations

Sibral, Walter. (1981). Diisatoic acid or triisatoic acid derivatives (U.S. Patent No. 4283548). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4283548

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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