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:
Jan. 03, 1995
Filed:
Feb. 14, 1994
Applicant:
Inventor:
John Sinko, Glendale, WI (US);
Assignee:
Wayne Pigment Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423368 ; 106419 ;
Abstract
Improved corrosion preventive pigment grade zinc cyanamide suitable for protective coatings is prepared by providing a hydrated slurry of finely divided, dispersed basic zinc carbonate, mixing with said slurry a stabilized soluble aqueous solution of hydrogen cyanamide to form zinc cyanamide having a crystalline structure characterized by the presence of an intense IR absorption spectral band at 2200 cm.sup.-1 and the substantial absence of component bands at 2050 cm.sup.-1 and 700 cm.sup.-1.