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:
Dec. 02, 1997
Filed:
Apr. 28, 1995
Sachit Srinivasan, Carrollton, TX (US);
Mike Wiseman, Mechanicsburg, OH (US);
Dennis Chung, Dublin, OH (US);
Setsuo Katayanagi, Dublin, OH (US);
Jay Hermans, Dallas, TX (US);
Jeff Her, Grand Prairie, TX (US);
Fumihiko Kubota, Tochiji, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
D & S Plastics International, Grand Prairie, TX (US);
Abstract
A method of making articles of manufacture, such as automobile bumpers and other components, formed from thermoplastic olefin compositions, having improved resistance to gasoline and other fluids when painted with flexible coatings such as two component polyurethane paints, and the like, are disclosed. The compositions used to form these articles include a thermoplastic olefin such as crystalline polypropylene, crystalline polyethylene or mixtures thereof with a first rubber component of an ethylene propylene diene rubber having a high molecular weight and a second rubber component of an ethylene propylene diene rubber having a low molecular weight, wherein the first rubber component has a molecular weight of 4 to 200 times that of the second rubber component.