Crosslinked polyamine coating on superabsorbent hydrogels

Details Crosslinked polyamine coating on superabsorbent hydrogels Crosslinked polyamine coating on superabsorbent hydrogels

2008-07-08

2008-07-08

Le, H. T (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

C428S297400, C428S372000, C428S407000

Reexamination Certificate

active

07396584

ABSTRACT:
The invention concerns superabsorbent particles with a shell, wherein said shell comprises a cationic polymer crosslinked by the addition of crosslinker and adhered to hydrogel-forming polymer obtainable by applying a coating solution, containing both a cationic polymer and crosslinker, to hydrogel-forming polymer having a residual water content of less than 10 w %, their production and use.

REFERENCES:
patent: 2788003 (1957-04-01), Morin
patent: 3612055 (1971-10-01), Mesek et al.
patent: 3938522 (1976-02-01), Repke
patent: 4541871 (1985-09-01), Obayashi et al.
patent: 5324561 (1994-06-01), Rezai et al.
patent: 5382610 (1995-01-01), Harada et al.
patent: 5607550 (1997-03-01), Akers
patent: 5614269 (1997-03-01), Hoskins et al.
patent: 5614561 (1997-03-01), Martin
patent: 5756159 (1998-05-01), Hoskins et al.
patent: 5843575 (1998-12-01), Wang et al.
patent: 5849405 (1998-12-01), Wang et al.
patent: 5851672 (1998-12-01), Wang et al.
patent: 5883158 (1999-03-01), Nambu et al.
patent: 5985432 (1999-11-01), Wang et al.
patent: 5997690 (1999-12-01), Woodrum
patent: 6342298 (2002-01-01), Evans et al.
patent: 6342652 (2002-01-01), Harada et al.
patent: 6376618 (2002-04-01), Mitchell et al.
patent: 6392116 (2002-05-01), Beihoffer et al.
patent: 6555502 (2003-04-01), Beihoffer et al.
patent: 6849665 (2005-02-01), Frenz et al.
patent: 2003/0069359 (2003-04-01), Torii et al.
patent: 0 493 011 (1992-07-01), None
patent: 0 509 708 (1992-10-01), None
patent: WO 95/22356 (1995-08-01), None
patent: WO 95/22358 (1995-08-01), None
patent: WO 97/12575 (1997-04-01), None
patent: WO 97/39780 (1997-10-01), None
patent: WO 99/25393 (1999-05-01), None
patent: WO 00/46260 (2000-08-01), None
patent: WO 01/56625 (2001-08-01), None

Affiliated with

Also associated with

Rating

Crosslinked polyamine coating on superabsorbent hydrogels does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Crosslinked polyamine coating on superabsorbent hydrogels, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Crosslinked polyamine coating on superabsorbent hydrogels will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2809438