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. 23, 2019
Filed:
Apr. 28, 2015
Rohm and Haas Company, Philadelphia, PA (US);
Paul R. Van Rheenen, Warminster, PA (US);
Scott W. Reading, Burlington, NJ (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
A base resin including from 30 to 70 percent by weight impact modified acrylic resin having a Tg from 60 to 150° C.; from 70 to 30 percent by weight polyvinylchloride (PVC), wherein the weight percentages of the impact modified acrylic resin and the polyvinylchloride are based on the combined weight of the impact modified acrylic resin and the polyvinylchloride; from 0.25 to 4 weight percent of anti-melding additive based on the total base resin weight; and from 0.5 weight percent to 25 weight percent colorant based on total base resin weight is provided. Also provided are capstock compositions including one or more base resins, a process for making a capstock, and capstock produced thereby.