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. 10, 1986
Filed:
Dec. 04, 1984
Applicant:
Inventors:
Mitsuo Yamamoto, Osaka, JP;
Namio Kinumoto, Osaka, JP;
Toshinori Tsuji, Osaka, JP;
Tutomu Hiraoka, Uji, JP;
Assignee:
Osaka Gas Company, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138145 ; 406193 ;
Abstract
A liquid sealant of the aqueous emulsion type to be delivered in foamed state into a pipeline requiring leakage repair and/or prevention. A large part of this sealant is drained from the pipeline, and the part of the sealant remaining on inner walls of the pipeline is allowed to cure. The sealant contains coagulations of weakly cohering fine particles of inorganic oxide at less than 5 percent, and the particles have diameters not exceeding 0.05.mu..
Yamamoto, Mitsuo. (1986). Sealant for internally sealing pipeline (U.S. Patent No. 4593722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4593722
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile