Title of Invention

LAUNDRY TREATMENT COMPOSITIONS

Abstract A laundry treatment composition which comprises a surfactant and from 0.0001 to 0.02 wt% of a photostable acid dye which has a substantivity to non-mercerised cotton in a standard test of at least 8% but has a substantitivity to nylon of less than 5%, wherein the standard test involves a solution of dye being prepared such that the solution has (i) an optical density of 1 (5 cm pathlength) at the maximum absorption of the dye in the visible wavelengths, (ii) a sodium lauryl alkyl benzene sulphonate surfactant concentration of 0.3 g/l, (iii) inorganic non-surfactant salt concentration of 1.1 g/l, (iv) under wash conditions of a liquor to cloth ratio of 45:1, temperature of 20°C, soak times of 45 minutes, and an agitation time of 10 minutes.
Full Text N/A

Documents:

1400-MUMNP-2005-CANCELLED PAGES(16-12-2005).pdf

1400-mumnp-2005-cancelled pages(24-10-2008).pdf

1400-MUMNP-2005-CLAIMS(24-10-2008).pdf

1400-mumnp-2005-claims(amanded)-(16-12-2005).pdf

1400-mumnp-2005-claims(complete)-(16-12-2005).pdf

1400-mumnp-2005-claims(granted)-(7-5-2009).pdf

1400-mumnp-2005-correspondence 1(4-4-2006).pdf

1400-mumnp-2005-correspondence 2(26-8-2009).pdf

1400-mumnp-2005-correspondence(16-4-2008).pdf

1400-MUMNP-2005-CORRESPONDENCE(24-10-2008).pdf

1400-mumnp-2005-correspondence(ipo)-(12-2-2010).pdf

1400-mumnp-2005-description(complete)-(16-12-2005).pdf

1400-MUMNP-2005-DESCRIPTION(COMPLETE)-(24-10-2008).pdf

1400-mumnp-2005-description(granted)-(7-5-2009).pdf

1400-MUMNP-2005-FORM 1(24-10-2008).pdf

1400-mumnp-2005-form 13(3-10-2007).pdf

1400-mumnp-2005-form 18(4-4-2006).pdf

1400-mumnp-2005-form 2(24-10-2008).pdf

1400-mumnp-2005-form 2(complete)-(16-12-2005).pdf

1400-mumnp-2005-form 2(granted)-(7-5-2009).pdf

1400-MUMNP-2005-FORM 2(TITLE PAGE)-(24-10-2008).pdf

1400-mumnp-2005-form 2(title page)-(complete)-(16-12-2005).pdf

1400-mumnp-2005-form 2(title page)-(granted)-(7-5-2009).pdf

1400-mumnp-2005-form 3(16-12-2005).pdf

1400-mumnp-2005-form 5(16-12-2005).pdf

1400-MUMNP-2005-POWER OF ATTORNEY(24-10-2008).pdf

1400-mumnp-2005-specification(amanded)-(24-10-2008).pdf

1400-mumnp-2005-wo international publication report(26-8-2009).pdf


Patent Number 234158
Indian Patent Application Number 1400/MUMNP/2005
PG Journal Number 28/2009
Publication Date 10-Jul-2009
Grant Date 07-May-2009
Date of Filing 16-Dec-2005
Name of Patentee HINDUSTAN UNILEVER LIMITED
Applicant Address Hindustan Lever House, 165-166, Backbay Reclamation,Mumbai 400 020
Inventors:
# Inventor's Name Inventor's Address
1 BATCHELOR STEPHEN NORMAN Unilever R&D Port Sunlight Quarry Road, Bebington Wirral, Merseyside CH63 3JW
2 DIXON SARAH Unilever R&D Port Sunlight, Quarry Road East, Bebington, Wirral Merseyside CH63 3JW
PCT International Classification Number C11D3/40
PCT International Application Number PCT/EP2004/006087
PCT International Filing date 2004-06-04
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 0314211.4 2003-06-18 U.K.
2 0314210.6 2003-06-18 U.K.
3 0325619.5 2003-11-03 U.K.