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:
Nov. 12, 1996
Filed:
May. 11, 1995
Applicant:
Inventors:
Anthony G Sommese, Naperville, IL (US);
Karen R Tubergen, Mt. Prospect, IL (US);
Daniel K Chung, Burlington, CA;
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210705 ; 162-5 ; 210727 ; 210734 ; 210735 ; 210928 ;
Abstract
The invention relates to the clarification of deinking process waters which result from the recycling of paper. More specifically, the present invention relates to the use of containing vinylamine as water clarifying agents in said processes.