C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.2
C11D 3/37 (2006.01) C11D 3/00 (2006.01)
Patent
CA 1220998
- 1 - GRANULAR DETERGENT COMPOSITIONS CONTAINING MIXED POLYMER ADDITIVE SYSTEM Abstract of the Disclosure Granular detergent compositions with no or reduced levels of phosphorus -containing builders containing a mix- ture of homopolymeric and copolymeric carboxylates. Pre- ferred homopolymeric carboxylates are polyacrylates having a molecular weight below 3000, most preferably a mixture of polymer species having molecular weights of 1000 and 2000 respectively. The preferred copolymeric ingredient contains maleic acid and (meth)-acrylic acid monomers.
447604
Zini Paolo
Kirby Eades Gale Baker
The Procter & Gamble Company
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