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:
May. 23, 1995
Filed:
Jun. 21, 1993
Applicant:
Inventors:
George F Detrick, West Linn, OR (US);
Lawrence S Frankel, Jenkintown, PA (US);
Ernest R Gommel, Philadelphia, PA (US);
William A Kirn, King of Prussia, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427348 ; 4273855 ; 4273936 ;
Abstract
A method for decreasing the drying time of a wet coating by admixing said wet coating and at least one transient colorant in an amount effective to decrease the drying time, applying the admixture to a substrate, and drying the coating, is provided. The transient colorant may be, for example, a pH-sensitive colorant or a photobleaching colorant.