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. 13, 1976
Filed:
May. 28, 1974
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 4243 ; 2608 / ; 2608 / ;
Abstract
A process for producing a crosslinked foam having uniform, fine, open cells, which comprises foaming an expandable composition comprising a crosslinkable polyolefin resin, 20 to 60 % by weight of an amorphous propylene polymer, a foaming agent and a crosslinking agent, by a one-step heat-press method. According to said process, a crosslinked foam having an open cell percentage of 40% or more can be obtained by a one-step treatment.
Wada, Motomu. (1976). Process for producing a crosslinked foam of polyolefin resin having open (U.S. Patent No. 3950278). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3950278
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile