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.

Date of Patent:
Oct. 31, 1995

Filed:

Jan. 10, 1995
Applicant:
Inventors:

Sunil Satija, Holland, PA (US);

Daniel M Wade, Lansdale, PA (US);

Ronald C Reynolds, Louisville, KY (US);

Assignee:

Atohaas B.V., Haarlem, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264211 ; 26432818 ; 264349 ; 523351 ;
Abstract

An improved process for coloring polymethacrylates or polyglutarimides in an extruder includes admixing the molten thermoplastic, conveyed directly from the polymerization operation, in an extruder mixing zone with a dispersion of at least one pigment, dye, or colorant in a suitable clear carrier, then conveying the admixed colored thermoplastic into an extrusion zone or injection molding zone.


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