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:
Jun. 01, 1976
Filed:
Dec. 26, 1973
Applicant:
Inventor:
Koichiro Ohtomo, Takatsuki, JA;
Assignee:
Kanebo, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
428224 ; 66170 ; 1394 / ; 260 48 ; 260 49 ; 260 / ; 260 60 ; 260841 ; 260842 ; 260844 ; 428364 ;
Abstract
A radiation shielding phenolic fiber comprising (A) a filamentary phenolic polymer consisting predominantly of a sulfonic acid group-containing cured novolak resin and (B) a metallic atom having a great radiation shielding capacity, the metallic atom being incorporated in the polymer by being chemically bound in the ionic state in the novolak resin; a fibrous material, such as fibers, yarns, knit fabrics, woven fabrics, non-woven fabrics, felt, mat, composed of the aforesaid radiation shielding phenolic fiber; and a method for the production thereof.