Title of Invention

PROCESS FOR PREPARING PARTICULATE DETERGENT ADDITIVE BODIES AND USE THEROF IN DETERGENT COMPOSITIONS.

Abstract Sensitive and/or chemically reactive detergent additives can be shaped in the form of spherical particles having the desirable properties of being non-friable, non-dusty and at the same time fast-dissolving. The process comprises the steps of treating a mixture comprising said detergent additive and a hydratable material with a polymeric material of high Tg in a high-speed mixer/granulator. A preferred detergent additive is a peroxyacid bleach precursor.
Full Text

Documents:

289-BOM-1990-CANCELLED PAGES.pdf

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

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

289-BOM-1990-FORM 2(COMPLETE).pdf

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

289-BOM-1990-FORMS.pdf

289-BOM-1990-SPECIFICATION(AMENDED).pdf


Patent Number 171328
Indian Patent Application Number 289/BOM/1990
PG Journal Number 45/2012
Publication Date 09-Nov-2012
Grant Date 03-Dec-1993
Date of Filing 08-Nov-1990
Name of Patentee HINDUSTAN LEVER LIMITED
Applicant Address HINDUSTAN LEVER HOUSE, 165/166 BACKBAY RECLAMATION , MUMBAI.
Inventors:
# Inventor's Name Inventor's Address
1 WILLIAM DEREK EMERY 64 PLYMYARD AVENUE, BROMBOROUGH, WIRRAL, MERSEYSIDE, L62 6BP.
2 WILLIAM JOHNILEY 19 VENABLES DRIVE, POULTON, LANCELYN, SPITAL, BEBINGTON, WIRRAL L63 9LY, GREAT BRETAIN.
3 PETER CORY KNIGHT 71 MOORSIDE AVENUE, NESTON, SOUTH WIRRAL, CHESHIRE, L64 6QS, GREAT BRITAIN
PCT International Classification Number C11D3/395
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 8925621.8 1989-09-13 GB