Method for sizing of water-absorbent resin

Details Method for sizing of water-absorbent resin Method for sizing of water-absorbent resin

2008-03-25

2008-03-25

Egwim, Kelechi C. (Department: 1796)

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

C525S329700, C525S330100

Reexamination Certificate

active

07347330

ABSTRACT:
A method for sizing a surface cross-linked water-absorbent resin removed coarse particles and fine powder is provided. Sized resin particles are obtained by classifying water-absorbent resin particles to remove an aggregates and fine powder in the particles, disintegrating the obtained aggregates and classifying the products of the disintegration to remove coarse particles and fine powder contained in the products.

REFERENCES:
patent: 3661815 (1972-05-01), Smith
patent: 4076663 (1978-02-01), Masuda et al.
patent: 4857610 (1989-08-01), Chmelier et al.
patent: 5140076 (1992-08-01), Hatsuda et al.
patent: 5250640 (1993-10-01), Irie et al.
patent: 5837789 (1998-11-01), Stockhausen et al.
patent: 6071976 (2000-06-01), Dairoku et al.
patent: 6133193 (2000-10-01), Kajikawa et al.
patent: 6228930 (2001-05-01), Dairoku et al.
patent: 6254990 (2001-07-01), Ishizaki et al.
patent: 6291636 (2001-09-01), Miyake et al.
patent: 6300423 (2001-10-01), Engelhardt et al.
patent: 6565768 (2003-05-01), Dentler et al.
patent: 6720389 (2004-04-01), Hatsuda et al.
patent: 2001/0025093 (2001-09-01), Ishizaki et al.
patent: 2002/0040095 (2002-04-01), Dairoku et al.
patent: 2003/0020199 (2003-01-01), Kajikawa et al.
patent: 2003/0066458 (2003-04-01), Emery et al.
patent: 1286718 (2001-03-01), None
patent: 0 505 163 (1992-09-01), None
patent: 52-014689 (1977-02-01), None
patent: 53-15959 (1978-05-01), None
patent: 55-084304 (1980-06-01), None
patent: 06-041319 (1994-02-01), None
patent: 10-182750 (1998-07-01), None
patent: 11-267500 (1999-10-01), None
patent: 11-349625 (1999-12-01), None

Affiliated with

Also associated with

Rating

Method for sizing of water-absorbent resin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for sizing of water-absorbent resin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for sizing of water-absorbent resin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2811921