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. 12, 1997
Filed:
May. 09, 1995
Applicant:
Inventors:
Hoang T Pham, Lake Jackson, TX (US);
Chad A Strait, Clinton, TN (US);
Richard O Kirk, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
366 89 ; 366 88 ; 366 90 ; 366 81 ; 366318 ;
Abstract
An extruder screw having a plurality of plasticating sections sufficient for plasticating polymeric materials of different bulk density.