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:
Oct. 27, 1992
Filed:
Apr. 04, 1991
Applicant:
Inventors:
Kazuto Wakita, Tokyo, JP;
Isao Nagayasu, Osaka, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264211 ; 524423 ; 524436 ; 524787 ;
Abstract
Fibrous magnesium oxysulfate particles having a length of 10 to 100 .mu.m and a thickness of less than 1 .mu.m are used as an antiblocking agent for plastic films, especially polyolefin resin films.