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:
Dec. 06, 1988
Filed:
Jun. 10, 1986
Applicant:
Inventors:
Naoyuki Tani, Hiranomiya, JP;
Motomu Ueno, Chihayaakasaka, JP;
Kusutaro Yoshida, Sakai, JP;
Yukio Mizukami, Hirakata, JP;
Assignee:
Sankyo Chemical Co., Ltd., Kashihara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B29D / ; C09J / ;
U.S. Cl.
CPC ...
156 77 ; 156231 ; 156289 ; 264 53 ; 427245 ; 428355 ; 521 78 ;
Abstract
A process for preparing permeable adhesive tapes, which comprises dispersing water or water and a water absorptive high-molecular weight compound homogeneously in a solution of a natural or synthethic rubber or acrylic pressure sensitive adhesive agent in an organic solvent, applying the dispersion onto a releasing agent applied sheet, drying the adhesive agent applied sheet, and laminating a porous backing material on the adhesive agent applied surface to obtain a permeable adhesive tape.