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:
Dec. 08, 1998
Filed:
Aug. 26, 1997
Applicant:
Inventor:
Richard P Beatty, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
252 58 ; 252 493 ; 252 54 ; 252 546 ; 252 / ; 252 58 ; 252358 ; 2523635 ; 525192 ; 525199 ; 525200 ; 524800 ; 524805 ; 522-2 ; 522-3 ; 522 71 ; 522 74 ; 522 77 ; 522 78 ; 522 79 ; 522 80 ;
Abstract
A process for forming a dispersion of polytetrafluoroethylene particles in a liquid containing a dispersant by passing the mixture through a plurality of nozzles within a liquid-jet interaction chamber at a pressure of to deagglomerate and stabilize the polytetrafluoroethylene particles.