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:
Jan. 06, 2004
Filed:
Sep. 27, 2001
Applicant:
Inventors:
James Keith Bardman, Green Lane, PA (US);
William Christopher Finch, Blue Bell, PA (US);
Robert Mitchell Blankenship, Harleysville, PA (US);
Assignee:
Rohn and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/312 ; C08J 6/16 ;
U.S. Cl.
CPC ...
B32B 2/312 ; C08J 6/16 ;
Abstract
A process for forming certain aqueous polymeric dispersions including a first emulsion polymer having an average particle diameter of 150 to 3000 nanometers and a second emulsion polymer having an average particle diameter of 40 to 600 nanometers where at least the first emulsion polymer particles, when dry, contain at least one void is provided. Also provided are the aqueous polymeric dispersions made by the process and paper or paperboard coatings and paints including the aqueous polymeric dispersions.