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:
Apr. 12, 1988
Filed:
Apr. 01, 1986
Applicant:
Inventors:
Carmen M Carandang, Oaks, PA (US);
Robert W Koch, Norristown, PA (US);
Assignee:
Amchem Products, Ambler, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C11D / ; C11D / ; C23D / ;
U.S. Cl.
CPC ...
134 38 ; 252153 ; 252156 ; 252158 ; 252170 ; 252171 ; 25217421 ; 25217422 ; 252542 ; 252544 ; 252548 ; 252D / ;
Abstract
An activator composition having increased effectiveness and life when used in an aqueous alkaline stripper solution at elevated temperatures to remove siccative coatings from substrates containing two essential components A and B. Component A consists essentially of at least one of an ethoxylated tetrahydrofurfuryl, a mixture of an ethoxylated tetrahydrofurfuryl and an ethoxylated furfuryl, N-methyl-2-pyrrolidone and N-(2-hydroxyethyl)-2-pyrrolidine. Component B consists essentially of at least one of N-phenyl-diethanolamine, furfurylamine, tetrahydrofurfurylamine, octadecylamine, butoxypropanolamine and N-amino-morpholine.