Cross-linked anionic and amphoteric polymeric microparticles

Details Cross-linked anionic and amphoteric polymeric microparticles Cross-linked anionic and amphoteric polymeric microparticles

1991-07-22

1992-12-15

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263031, 5263171, 526207, 526213, 525107, 525193, C08F 2610, C08F 2056, C08F 2006, C08F 224, C08F 800

Patent

active

051718081

ABSTRACT:
Novel compositions comprising anionic and/or amphoteric organic polymeric microparticles are disclosed, along with a method for their production. The products are useful in flocculating a wide variety of dispersions of suspended solids and in paper-making.

REFERENCES:
patent: 4147688 (1979-04-01), Makhlouf et al.
patent: 4705640 (1987-11-01), Whittaker
patent: 4968435 (1990-11-01), Neff et al.
Susan Budavari, Maryadele J. O'Neil, Ann Smith, and Patricia E. Heckelman, The Merck Index, pp. 21, 935 and 1572, 1989.

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