Method for preventing crystal formation in a dispersion of a...

Details Method for preventing crystal formation in a dispersion of a... Method for preventing crystal formation in a dispersion of a...

2007-01-30

2007-01-30

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

C424S449000

Reexamination Certificate

active

10658247

ABSTRACT:
An improved method for the manufacture of transdermal drug delivery devices comprising liquid dispersions of a liquid in an aqueous or nonaqueous matrix is disclosed. More particularly, the invention relates to preventing the formation of a crystalline structure in such liquid dispersions by annealing films and laminates in-line immediately following film formation and/or lamination during the manufacture of these devices.

REFERENCES:
patent: 3598122 (1971-08-01), Zaffaroni
patent: 3598123 (1971-08-01), Zaffaroni
patent: 3797494 (1974-03-01), Zaffaroni
patent: 4031894 (1977-06-01), Urquhart et al.
patent: 4060084 (1977-11-01), Chandrasekaran et al.
patent: 4144317 (1979-03-01), Higuchi et al.
patent: 4201211 (1980-05-01), Chandrasekaran et al.
patent: 4262003 (1981-04-01), Urquhart et al.
patent: 4308621 (1981-12-01), Mendelson
patent: 4379454 (1983-04-01), Campbell et al.
patent: 4436741 (1984-03-01), Urquhart et al.
patent: 4832953 (1989-05-01), Campbell et al.
patent: 5370924 (1994-12-01), Kochinke
patent: 5662928 (1997-09-01), Braun
patent: 42 23 360 (1993-04-01), None
patent: 0 304 227 (1993-03-01), None
International Search Report For Corresponding PCT Application No. PCT/US96/18397.

Affiliated with

Also associated with

Rating

Method for preventing crystal formation in a dispersion of a... 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 preventing crystal formation in a dispersion of a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for preventing crystal formation in a dispersion of a... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3815206