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:
Apr. 18, 1995
Filed:
May. 05, 1994
Applicant:
Inventors:
Alberto Malatesta, Brussels, BE;
Christian Pierre, S.-Martin-d'Heres, FR;
Rene Cohard, S.-Martin-d'Heres, FR;
Assignee:
Exxon Chemical Patents Inc, Linden, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162158 ; 162175 ; 162183 ; 162179 ; 162322 ;
Abstract
Size dispersion in paper stock is improved by treatment of cellulose water slurry with cationizing compounds and mixing a sizing product, either neat or in solution, with the water and injecting the mixture in droplet form into said cellulose water slurry before, during or after the paper web formation whether said paper web is dry or not and drying the paper web, an apparatus for carrying out the improved process is included.