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:
Feb. 15, 2000
Filed:
Jun. 17, 1998
Applicant:
Inventors:
Yasuyuki Tanaka, Hachioji, JP;
Jitladda Tangpakdee, Bangkok, TH;
Yoshiaki Miyamoto, Kobe, JP;
Masaharu Hayashi, Wakayama, JP;
Eiji Kanamaru, Tokyo, JP;
Tadashi Mihara, Kitaadachi-gun, JP;
Assignees:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Higashi Kagaku Co., Ltd., Yao, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C / ; C08C / ; C08C / ;
U.S. Cl.
CPC ...
5263402 ; 525 541 ; 524 17 ;
Abstract
A method of producing a particulate natural rubber, which comprises adding an inorganic salt to a serum obtained by centrifugal separation of a natural rubber latex in the amount enough to cause separation of a particulate natural rubber component in the serum, thereby to isolate the particulate natural rubber component as a cream component.