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:
Aug. 07, 1984
Filed:
Jan. 09, 1984
Applicant:
Inventors:
Assignee:
Toto, Ltd., Kitakyusyu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 64 ; 521127 ; 521128 ; 521178 ; 5281113 ; 528123 ;
Abstract
Disclosed is a method of producing a porous material having open pores, comprising the steps of preparing a slurry from a mixture comprising a bisphenol-type epoxy resin, a specific mixture amide compound as a hardener, a filler and water, casting the slurry in a water-impermeable mold, hardening the slurry while it contains the water and dehydrating the hardened body.
Kishima, Noboru. (1984). Method of producing porous material having open pores (U.S. Patent No. 4464485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4464485
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