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:
Sep. 20, 1988
Filed:
Dec. 16, 1986
Applicant:
Inventors:
Assignee:
Ashland Oil, Inc., Russell, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; A01N / ; C05G / ;
U.S. Cl.
CPC ...
427212 ; 71 6407 ; 427221 ;
Abstract
The invention relates to a method for producing a water-permeable covering on granular, water-soluble substances by coating them with a synthetic resin. The method of the invention uses a coating composition which comprises a polyisocyanate and a polyol component of a condensation product from phenols and aldehydes, a softener containing hydroxyl groups and optionally a diluent containing hydroxyl groups. The coating composition is cured at room temperature with an amine as a catalyst.