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. 26, 1996
Filed:
Dec. 21, 1994
Applicant:
Inventors:
Leonard W Harvey, Downingtown, PA (US);
Eric N Martin, Greenville, DE (US);
Assignee:
ICI Americas Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; B29C / ;
U.S. Cl.
CPC ...
528494 ; 528495 ; 528503 ; 523307 ; 523309 ; 523335 ; 524545 ; 264117 ;
Abstract
An improved process for preparing free flowing tetrafluoroethylene (TFE) polymer powders is disclosed in which a TFE polymer powder is (1) wetted with an aqueous solution containing a wetting agent selected from the group consisting of (a) ethylene glycol ethers, (b) propylene glycol ethers and (c) diols or triols, (2) agglomerated and (3) dried.