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:
Mar. 26, 1985

Filed:

Dec. 14, 1982
Applicant:
Inventors:

Hubert Harth, Dusseldorf, DE;

Martin Witthaus, Dusseldorf, DE;

Wolfgang Gress, Wuppertal, DE;

Assignee:

Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423365 ;
Abstract

Lead and zinc cyanurates are known to be suitable as the active ingredients in corrosion inhibiting coating compositions. The invention provides a simplified method of preparing these compounds by reacting lead or zinc oxide with cyanuric acid in an aqueous paste mixture at a somewhat elevated temperature without requiring the presence of a catalyst while applying a shearing force to said paste mixture.


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Harth, Hubert. (1985). Process for the preparation of lead and zinc cyanurates (U.S. Patent No. 4507270). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4507270

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