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:
Nov. 02, 1999
Filed:
Apr. 18, 1997
Applicant:
Inventors:
Frank Vito DiStefano, Macungie, PA (US);
Bruce Alan Gruber, Emmaus, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524457 ; 524503 ; 524507 ;
Abstract
Disclosed are improved vinyl acetate/ethylene copolymers emulsion polymerized in the presence of colloidal, nonionic, water dispersible polyurethanes. The improvement resides in vinyl acetate and ethylene polymerized in the presence of a costabilizer comprising the colloidal, nonionic, water dispersible polyurethanes and polyvinyl alcohol.