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:
Jul. 14, 1981
Filed:
Jul. 01, 1980
Applicant:
Inventors:
Assignee:
Chemie Linz Aktiengesellschaft, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544192 ;
Abstract
Pure cyanuric acid is prepared from crude or waste melamine by introducing the melamine into 70 to 80% strength sulfuric acid at room temperature and heating the reaction mixture to 150.degree. to 190.degree. C., the water introduced with the sulfuric acid being distilled off during the heating period.
Wegleitner, Karlheinz. (1981). Process for preparing pure cyanuric acid (U.S. Patent No. 4278794). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4278794
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile