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:
Mar. 02, 1976
Filed:
Feb. 22, 1974
Applicant:
Inventors:
Sueo Machi, Takasaki, JA;
Takeshi Suwa, Takasaki, JA;
Masaaki Takehisa, Takasaki, JA;
Tadao Seguchi, Takasaki, JA;
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
20415922 ; 260 / ; 260 / ;
Abstract
A stable aqueous dispersion of unexpectedly high molecular weight polytetrafluoroethylene, containing no additives such as dispersing and emulsifying agents, is prepared by radiation-polymerizating tetrafluoroethylene monomer in an aqueous phase in the absence of dispersing or emulsifying agent.