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:
Dec. 10, 2024

Filed:

Jul. 20, 2022
Applicant:

Karex Holdings Sdn. Bhd., Selangor, MY;

Inventors:

Fook Peng Leng, Selangor, MY;

Yi Yee Loh, Selangor, MY;

Lai Peng Lim, Selangor, MY;

Assignee:

KAREX HOLDINGS SDN. BHD., Selangor, MY;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/02 (2006.01); B29C 41/00 (2006.01); B29C 41/14 (2006.01); B29K 19/00 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
C08L 9/02 (2013.01); B29C 41/003 (2013.01); B29C 41/14 (2013.01); B29K 2019/00 (2013.01); B29L 2031/7538 (2013.01); C08L 2201/08 (2013.01); C08L 2312/00 (2013.01);
Abstract

This invention provides a method of making an elastomeric article, and the method comprises dipping a mold into a first dip tank containing a compounded nitrile rubber formulation to produce an elastomeric film layer on the mold, the compounded nitrile rubber formulation comprising nitrile butadiene copolymer; a crosslinking agent; a metal oxide; a vulcanization accelerator; an antioxidant; an alkali agent; and a heat sensitizer; then drying and curing the elastomeric film layer to form the elastomeric article. The heat sensitizer may be an organopolysiloxane. Elastomeric articles prepared according to this invention may have a film thickness in a range of 0.020 mm to 0.050 mm; such films are suitable for medical examination gloves, surgical gloves, or condoms.


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