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. 19, 1994
Filed:
Apr. 16, 1993
Applicant:
Inventors:
Robert M Blankenship, Harleysville, PA (US);
Clarence Neyhart, Harleysville, PA (US);
Ronald W Novak, Chalfont, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
588255 ; 588249 ; 588252 ; 523201 ;
Abstract
A method for solidification or encapsulation of compositions containing a substantially continuous aqueous phase comprising uniformly incorporating into said compositions core-shell polymer particles and subsequently neutralizing said polymer particles by incorporating into said compositions an organic or inorganic base. The neutralized polymer particles swell and absorb substantially all of said aqueous phase.