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. 17, 2001
Filed:
May. 19, 1999
Applicant:
Inventors:
Carrington Duane Smith, Milford Square, PA (US);
Robert James Klein, Newtown, PA (US);
Assignee:
Air Products Polymers, L.P., Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 3/104 ;
U.S. Cl.
CPC ...
C08L 3/104 ;
Abstract
This invention relates to improved vinyl acetate/ethylene copolymers emulsions polymerized in the presence of colloidal, nonionic, water dispersible polyurethanes. The improvement resides in polymerizing the vinyl acetate and ethylene in the presence of a costabilizer comprised of the colloidal, nonionic, water dispersible polyurethanes and a polyoxyethylene-polyalkylene glycol, a particularly polyoxyethylene-polyoxypropylene glycols.