Preparation-at-use device comprising pre-formed hydrogel...

Details Preparation-at-use device comprising pre-formed hydrogel... Preparation-at-use device comprising pre-formed hydrogel...

2004-06-09

2010-12-21

Ward, Paul V. (Department: 1624)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C206S219000, C206S221000

Reexamination Certificate

active

07854938

ABSTRACT:
Disclosed is a preparation-at-use device comprising: (1) a pre-formed hydrogel component packaged in a first compartment; the pre-formed hydrogel component comprising a gelling agent and a solvent; and (2) a benefit component packaged in a second compartment; the benefit component comprising at least one compound that is unstable when contacted with the pre-formed hydrogel component; wherein the first and second compartments are separately packaged prior to use, and wherein the device comprises means for contacting the pre-formed hydrogel component and benefit component upon use.

REFERENCES:
patent: 4927408 (1990-05-01), Haak et al.
patent: 5084008 (1992-01-01), Phipps
patent: 5393305 (1995-02-01), Cohen et al.
patent: 5935593 (1999-08-01), Orkisz et al.
patent: 5984953 (1999-11-01), Sabin et al.
patent: 6010706 (2000-01-01), Candau et al.
patent: 6138312 (2000-10-01), Cummings
patent: 6322798 (2001-11-01), Candau et al.
patent: 6510561 (2003-01-01), Hammond et al.
patent: 2001/0007671 (2001-07-01), Gueret
patent: 2003/0113356 (2003-06-01), Deckner et al.
patent: 2003/0124162 (2003-07-01), Ueda et al.
patent: 2306283 (2000-02-01), None
patent: 0 904779 (1999-03-01), None
patent: 6336413 (1994-12-01), None
patent: 2000297008 (2000-10-01), None
patent: WO 200009414 (2000-02-01), None
patent: WO 01/78678 (2001-10-01), None

Affiliated with

Also associated with

Rating

Preparation-at-use device comprising pre-formed hydrogel... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation-at-use device comprising pre-formed hydrogel..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation-at-use device comprising pre-formed hydrogel... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4172318