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:
May. 25, 2010
Filed:
Nov. 30, 2007
Applicants:
Toru Aoki, Kanagawa Prefecture, JP;
Hiroshi Kikuchi, Kanagawa Prefecture, JP;
Akira Yoda, Tokyo, JP;
Inventors:
Toru Aoki, Kanagawa Prefecture, JP;
Hiroshi Kikuchi, Kanagawa Prefecture, JP;
Akira Yoda, Tokyo, JP;
Assignee:
3M Innovative Properties Company, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A defoaming method for removing air bubbles from a curable resin material and a contact portion of the resin material with an irregular structure of a flat metallic mold. The mold includes a fine structural region having a fine irregular structure and a flat region in the periphery of the fine structural region. The curable resin material is applied to the irregular structure of the fine structural region, filling the irregular structure with the resin material.