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. 23, 1991
Filed:
Jan. 16, 1990
Applicant:
Inventors:
Rong-Chang Liang, Centerville, OH (US);
Emerson K Colyer, Kettering, OH (US);
Jing-Den Chen, Spring Valley, OH (US);
Karl A Kintz, Kettering, OH (US);
Chih-Her Suen, Spring Valley, OH (US);
Assignee:
The Mead Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
5211091 ; 521128 ; 521130 ; 521137 ; 521155 ; 524732 ; 524773 ; 524839 ; 524840 ;
Abstract
Method for polymerizing a monomer suspended in water which comprises: Preparing a polymerization mixture of a water immiscible, liquid, ethylenically unsaturated monomer, a polyisocyanate and an oil soluble free radical initiator, dispersing said mixture in a solution of water and a surfactant, and effecting polymerization of said monomer.