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:
Oct. 22, 2013
Filed:
Sep. 20, 2011
Chao Jen Chung, North Wales, PA (US);
Edward E. Lafleur, Holland, PA (US);
Edwin Nungesser, Horsham, PA (US);
Edward C. Greer, Lower Gwynedd, PA (US);
Chao Jen Chung, North Wales, PA (US);
Edward E. Lafleur, Holland, PA (US);
Edwin Nungesser, Horsham, PA (US);
Edward C. Greer, Lower Gwynedd, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A composition comprising polymeric particles having an average particle diameter from 0.5 to 30 μm and Vicker's scale hardness from 100 to 700 Kgf/mm. The composition also contains a film-forming polymer having Tno greater than 80° C. The average refractive index difference measured from 400 nm to 1100 nm between the polymeric particles and the film-forming polymer is no greater than 0.04.