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:
May. 04, 2004
Filed:
Dec. 07, 1999
Raymond Gerard Hamilton, Washington Crossing, PA (US);
Carlos Alfonso Cruz, Holland, PA (US);
Chuen-Shyong Chou, Ambler, PA (US);
Susan Marie Liwak, Langhorne, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
The invention provides a composition which increases the impact strength and lowers the viscosity of melt processed plastics resins. In particular the invention relates to an impact modifier composition comprising at least one impact modifier and at least one mineral oil and optionally up to 50% by weight of at least one plastics resin. Methods of making such impact modifier compositions are disclosed, together with a general process for combining at least one oil with at least one impact modifier during the impact modifier manufacturing process.