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. 13, 1985
Filed:
Dec. 10, 1984
Applicant:
Inventor:
Warren B Mueller, Baton Rouge, LA (US);
Assignee:
Ethyl Corporation, Richmond, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 89 ; 521 93 ; 521180 ; 521189 ; 523351 ; 528399 ; 528167 ;
Abstract
Process for compounding polyphosphazene gum by (a) mixing a composition comprising a curable polyphosphazene gum, filler, plasticizer and other conventional components but without any curing agent to form a non-curing masterbatch, (b) mixing a composition comprising a polyphosphazene gum and an excess amount of curing agent, at least 10 times that required to cure the phosphazene gum in this mixture and optionally containing other conventional components to form a concentrate and (c) blending the non-curing masterbatch from (a) with sufficient concentrate from (b) to provide an amount of curing agent sufficient to cure the entire resultant mixture.