Patent ID: 11920108
Assignee: MITSUI CHEMICALS, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  D | IPC C  D

Claim 0:
1. A detergent composition comprising an antiredeposition agent,
the antiredeposition agent including a polyaspartic acid alkali metal salt having a polydispersity, represented by a ratio (Mw/Mn) of a weight-average molecular weight (Mw) to a number-average molecular weight (Mn), of 1.4 to 1.7 and being selected from the group consisting of lithium polyaspartate, potassium polyaspartate, and sodium polyaspartate, and
the polyaspartic acid alkali metal salt having a weight-average molecular weight (Mw) of from 21,400 to 120,000.