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:
Oct. 20, 1998
Filed:
Apr. 08, 1996
Applicant:
Inventor:
Francis M Schloss, Perrysburg, OH (US);
Assignee:
Plastic Technologies, Inc., Holland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C08J / ;
U.S. Cl.
CPC ...
203 95 ; 159 163 ; 159D / ; 203 92 ; 203 96 ; 209 11 ; 209 121 ; 521 45 ; 521 48 ;
Abstract
Organic contaminants are removed from RPET flakes by a process that includes steam-stripping the contaminants out from the matrix of the RPET flakes. In an alternative embodiment, the RPET flakes are first comminuted to prepare RPET particles, and the RPET particles are thereafter steam-stripped.