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. 09, 1994
Filed:
Jan. 27, 1993
Applicant:
Inventor:
Richard F Pape, Gerlafingen, CH;
Assignee:
Belland AG, , CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08J / ; C08J / ;
U.S. Cl.
CPC ...
528486 ; 521 405 ; 521 435 ; 523332 ; 528487 ; 528491 ; 528490 ;
Abstract
The invention relates to a process for the recovery of polymers dissolved in an aqueous alkaline or acid medium by precipitating the polymers with acid or alkaline precipitants, the precipitation being initiated in a strong aqueous flow and the precipitated polymers separated from the aqueous medium.