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, 1989
Filed:
Jan. 05, 1988
Sandra L Krivak, Akron, OH (US);
William A Williams, Jr, North Canton, OH (US);
Louis J Nehmsmann, Akron, OH (US);
Edward J Sare, Clinton, OH (US);
PPG Industries, Inc., Pittsburgh, PA (US);
Abstract
A composition comprises: (A) chlorine-containing organic solvent selected from the group consisting of methylchloroform, trichloroethylene, perchlorethylene, and mixtures thereof, and (B) non-ionic surfactant selected from the group consisting of ##STR1## or mixtures thereof, wherein: (C) each R is independently straight or branched alkyl containing from about 8 to about 24 carbon atoms or ##STR2## (D) each R' is independently straight or branched alkyl containing from about 8 to about 18 carbon atoms, (E) each Z is independently fluoro, chloro, bromo, or alkoxy containing from 1 to about 4 carbon atoms, (F) the average value of a is in the range of from 0 to about 100, (G) the average value of b is in the range of from 0 to about 60, (H) the average value of c is in the range of from 0 to about 50, (I) the sum of the average values of a, b, and c is in the range of from 3 to about 150, (J) the sum of the average values of d and f is in the range of from 2 to about 50, (K) the average value of e is in the range of from 2 to about 60, (L) the average value of g is in the range of from 2 to about 50, (M) the average value of n is in the range of from 0 to about 2, and (N) the composition is essentially free of methylene chloride.