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. 28, 1992
Filed:
Aug. 12, 1991
Applicant:
Inventors:
Yen-Yau H Chao, Harleysville, PA (US);
Gary R Larson, Hatfield, PA (US);
Linus W Linder, Lansdale, PA (US);
Mike J Bauman, Mundelein, IL (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 83 ; 521149 ;
Abstract
An improved foamed hydraulic composition comprising at least one hydraulic substance, from about 20 to about 130 parts water, and from about 0.01-30 parts of a copolymeric foam stabilizer based on 100 parts hydraulic substance, where the copolymeric foam stabilizer is formed from one or more non-ionic, ethylenically-unsaturated monomers and one or more ionic or ionizable ethylenically-unsaturated monomers containing carboxylic acid.