Title of Invention

DETERGENT BARS HAVING IMPROVED HARDNESS AND ITS METHOD OF MANUFACTURE.

Abstract A toilet or laundry bar comprising 30 to 70% by weight of soap or a mixture of soap and synthetic detergent reckoned as anhydrous; 0.1 to 20% by weight ofmineral or organic acid; 5 to 30% by weight of alkaline silicate; and 10 to 40% by weight of water. The presence of alkaline silicate and mineral or organic acid allows the amount of soap in the bar to be reduced while maintaining acceptable bar properties.
Full Text

Documents:

301-BOM-1990-CANCELLED PAGES.pdf

301-BOM-1990-CORRESPONDENCE(IPO).pdf

301-BOM-1990-CORRESPONDENCE(RECEIVED).pdf

301-BOM-1990-FORM 2(GRANTED).pdf

301-BOM-1990-FORMS.pdf


Patent Number 171763
Indian Patent Application Number 301/BOM/1990
PG Journal Number 42/2012
Publication Date 19-Oct-2012
Grant Date 21-Jan-1994
Date of Filing 21-Nov-1990
Name of Patentee HINDUSTAN LEVER LIMITED
Applicant Address HINDUSTAN LEVER HOUSE, 165/166, BACKBAY RECLAMATION, BOMBAY.
Inventors:
# Inventor's Name Inventor's Address
1 ZIA HAQ 32 LATCHFORD CLOSE, GAYTON, WIRRAL L60 3RW, ENGLAND.
2 DAVID CHARLES STEER "THORNWOOD", TOWER ROAD NORTH, HESWALL, WIRRAL, MERSEYSIDE,ENGLAND.
3 MICHAEL CHRISTOPHER CAFE 3 STANBURY AVENUE, BEBINGTON, WIRRAL L63 7ND, ENGLAND.
PCT International Classification Number C11D9/20
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 8926642.3 1989-11-24 GB