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.

Date of Patent:
Aug. 15, 1978

Filed:

Nov. 10, 1977
Applicant:
Inventors:

Richard Gordon Angell, Jr, Bridgewater, NJ (US);

Laurence Herbert Gross, Bridgewater, NJ (US);

Sidney Ethan Berger, Rye, NY (US);

Assignee:

Union Carbide Corporation, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
264328 ; 260 / ; 260 / ; 260 4246 ; 264329 ;
Abstract

A process is disclosed for the production of injection molded high density polyethylene articles having reduced combustibility and high impact strength comprising: maintaining a mold cavity at a preselected back pressure sufficiently high to substantially prevent foaming of a high density polyethylene material melt to be injected therein; injecting said melt into said mold cavity under pressure in excess of said back pressure to fill said mold cavity; said high density polyethylene material melt containing: (a) from about 50 to 70% by weight of alumina trihydrate, (b) from about 1 to 12% by weight of water as a processing aid, and (c) from about 0.5 to 3% by weight of a methoxy polyethylene glycol propyltrimethoxy silane having the formula:


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Angell, Jr, Richard. (1978). Injection molding reduced combustibility high impact strength (U.S. Patent No. 4107258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4107258

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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