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. 12, 1980
Filed:
Apr. 08, 1977
Applicant:
Inventors:
Takezo Sano, Takatsuki, JP;
Masao Sasaki, Ibaragi, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
2041 / ; 20415914 ; 204165 ;
Abstract
A thin film of less than 300 microns in thickness can be obtained by crosslinking a surfactant with plasma or radiation. This thin film is as high in strength as an ordinary plastic film, and is usable as a substance-separating film, a substance-protecting film or an insulating film.