Title of Invention

A PRODUCT FOR THE TREATMENT OF TEXTILE FABRICS TO IMROVE RESTORE OR MAINTAIN WHITENESS

Abstract A product for the treatment of textile fabrics to improve,restore or maintain whiteness,comprising two separately packaged particulate compositions wherein the first particulate composition has a pH (of a 1% solution in demineralised water at 25ÂșC) of less that 5 and comprises from 50 to 100 wt% of a material capable of converting deposited blueing agent to a colourless product and capable of binding Ca and Fe ions,the said material being selected from water-soluble solid organic carboxylic acids and water-soluble solid acid salts,and from 0.5 to 10 wt% of an oxidising agent capable of masking and/or neutralising sulphurous odours.The second particulate composition comprises from 1 to 100 wt% of a bleach.
Full Text N/A

Documents:

30-mum-2004-abstract(12-01-2004).pdf

30-mum-2004-claims(granted)-(12-01-2004).doc

30-mum-2004-claims(granted)-(12-01-2004).pdf

30-mum-2004-correspondence(28-12-2007).pdf

30-MUM-2004-CORRESPONDENCE(5-2-2009).pdf

30-MUM-2004-CORRESPONDENCE(8-2-2012).pdf

30-mum-2004-correspondence(ipo)-(20-02-2009).pdf

30-mum-2004-form 1(12-01-2004).pdf

30-mum-2004-form 1(28-04-2004).pdf

30-mum-2004-form 13(03-10-2007).pdf

30-mum-2004-form 18(26-04-2005).pdf

30-mum-2004-form 2(granted)-(12-01-2004).doc

30-mum-2004-form 2(granted)-(12-01-2004).pdf

30-mum-2004-form 5(12-01-2004).pdf

30-mum-2004-form-pct-isa-210(12-01-2004).pdf

30-mum-2004-other documents(12-01-2004).pdf

30-mum-2004-power of attorney(12-01-2004).pdf


Patent Number 229773
Indian Patent Application Number 30/MUM/2004
PG Journal Number 13/2009
Publication Date 27-Mar-2009
Grant Date 20-Feb-2009
Date of Filing 12-Jan-2004
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 MACHIEL GOEDHART C/O.UNILEVER RESEARCH VLAARDINGEN, OLIVIER VAN NOORTLAAN 120, 3133 AT VLAARDINGEN, NETHERLANDS
2 JEAN-PAUL JANSSENS C/O.UNILEVER RESEARCH VLAARDINGEN,OLIVIER VAN NOORTLAAN 120,3133 AT VLAARDINGEN,
PCT International Classification Number C11D 3/39, C11D 3/395, C11D 17/04
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 9909439.3 1999-04-23 U.K.
2 9811633.8 1998-05-29 U.K.