Use of salts of polyaspartic acids as milling agents

Details Use of salts of polyaspartic acids as milling agents Use of salts of polyaspartic acids as milling agents

1998-02-12

1999-12-07

Wilson, Donald R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524601, 524602, C08K 326

Patent

active

059985267

ABSTRACT:
Salts of polyaspartic acids are used as milling agents for the milling of mineral materials to obtain aqueous suspensions of finely divided mineral materials which are pumpable and non-sedimenting, and have high concentrations of mineral materials which are useful in papermaking and in paper coating.

REFERENCES:
patent: 4278208 (1981-07-01), Falcon-Steward
patent: 4554307 (1985-11-01), Farrer et al.
patent: 4704242 (1987-11-01), Bandyopadhyay et al.
patent: 5525257 (1996-06-01), Kleinstuck et al.
patent: 5616544 (1997-04-01), Kalota et al.
Patent Abstracts of Japan, vol. 95, No. 10, Nov. 30, 1995, JP 07 172888, Jul. 11, 1995.

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