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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.:

US 4382914 B1

PDFFull Text
Date of Patent:
May. 10, 1983

Filed:

Mar. 16, 1981

Process for preparing cyclic phosphonitrilic chloride oligomers

Applicant:
Inventors:

Kiyoshi Horie, Takasago, JP;

Yoshiaki Morita, Itami, JP;

Yukio Mikamori, Kobe, JP;

Masaharu Suzuki, Takatsuki, JP;

Susumu Yano, Takasago, JP;

Assignee:

Nippon Fine Chemical Company, Ltd., , JP;

Attorney:

Larson and Taylor

Primary Examiner:

O R Vertiz

Assistant Examiner:

Wayne A Langel

Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423300 ;
Abstract

This invention provides a process for preparing cyclic phosphonitrilic chloride oligomers characterized by the combination of:

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