Title of Invention

PROCESS FOR THE MANUFACTURE OF PAPER

Abstract a process for the manufacture of paper from paper pulp comprising treating a pulp slurry to form paper sheets in a known manner in presence of a wet-end additive characterised in that wet-end additive is at least one graft copolymer of starch selected from the group consisting of starch graft-polymethacrylic acid, starch graft-polymethacrylic acid, cationic starch graft-polymethacrylic acid and cationic starch graft-polyacrylic acid.
Full Text

Documents:

106-BOM-1991-CANCELLED PAGES.pdf

106-BOM-1991-CLAIMS(AMENDED).pdf

106-BOM-1991-CORRESPONDENCE(IPO).pdf

106-BOM-1991-CORRESPONDENCE(RECEIVED).pdf

106-BOM-1991-FORM 2(GRANTED).pdf

106-BOM-1991-FORMS.pdf


Patent Number 172848
Indian Patent Application Number 106/BOM/1991
PG Journal Number 45/2012
Publication Date 09-Nov-2012
Grant Date 02-Sep-1994
Date of Filing 18-Apr-1991
Name of Patentee HINDUSTAN LEVER LIMITED
Applicant Address HINDUSTAN LEVER HOUSE, 165/166 BACKBAY RECLAMATION, BOMBAY-400020.
Inventors:
# Inventor's Name Inventor's Address
1 VELAYUDHAN NAIR GOPA KUMAR AGRAYSAR 6C, HINDUSTAN LEVER RESEARCH CENTRE FLATS, CHAKALA, ANDHERI(EAST), BOMBAY-400099.
2 PATRICK G. JOBE 21, SONNYWOOD DRIVE, WEST FIELDS, NEW JERSEY 07090, U.S.A.
PCT International Classification Number D21D3/00
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA