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:
Aug. 21, 2001
Filed:
Sep. 25, 1998
Applicant:
Inventors:
Joseph Leo Nothnagel, Woostock, IL (US);
Michael Davis Coad, Oak Park, IL (US);
Kevin Jude O'Callaghan, Algonquin, IL (US);
Carlos Alfredo Kienzie Sterzer, St. Charles, IL (US);
Assignee:
McWhorter Technologies, Inc., Carpentersville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/10 ; C08F 6/12 ; C08L 3/100 ; C08L 6/700 ; C08J 3/09 ;
U.S. Cl.
CPC ...
C08F 6/10 ; C08F 6/12 ; C08L 3/100 ; C08L 6/700 ; C08J 3/09 ;
Abstract
The present invention relates to stable aqueous polymer dispersions and a process for their preparation. The aqueous dispersions of the invention have less than about 2 weight percent organic solvent, at least about 30 weight percent solids, a mean particle size of not more than about 300 nm, and a viscosity of less than about 20.0 poise at about ambient temperature.