Crystalline forms of valacyclovir hydrochloride

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

06849736

ABSTRACT:
Provided are novel polymorphs and pseudopolymorphs of valacyclovir hydrochloride and pharmaceutical compositions containing these. Also provided are methods for making the novel polymorphs and pseudopolymorphs, which include valacyclovir hydrochloride monohydrate and valacyclovir hydrochloride dihydrate.

REFERENCES:
patent: 4199574 (1980-04-01), Schaeffer
patent: 4957924 (1990-09-01), Beauchamp
patent: 5756736 (1998-05-01), Arzeno et al.
patent: 5840890 (1998-11-01), Arzeno et al.
patent: 5840891 (1998-11-01), Nestor et al.
patent: 6040446 (2000-03-01), Dvorak et al.
patent: 6107302 (2000-08-01), Carter et al.
patent: 20030153757 (2003-08-01), Etinger et al.
patent: WO 9725989 (1997-07-01), None
patent: WO 9727194 (1997-07-01), None
patent: WO 9803553 (1998-01-01), None
Goodman & Gilman's, The Pharmacological Basis of Therapeutics, pp. 1193-1198 (9thed. 1996).
G.M. Wall, “Pharmaceutical Applications of Drug Crystal Studies,” Pharmaceutical Manufacturing, vol. 3, No. 2, Feb. 1986, pp. 33-42.
J. Haleblian and W. McCrone, “Pharmaceutical Applications of Polymorphism,” Journal of Pharmaceutical Sciences, vol. 58, No. 8, Aug. 1969, pp. 911-929.
J.K. Haleblian, “Characterization of Habits and Crystalline Modification of Solids and Their Pharmaceutical Applications,” Journal of Pharmaceutical Sciences, vol. 64, No. 8, Aug. 1975, pp. 1269-1288.
Pharmacopeial Forum, vol. 24, No. 1, (Jan.-Feb. 1998) p. 5438-5440.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Crystalline forms of valacyclovir hydrochloride does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Crystalline forms of valacyclovir hydrochloride, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Crystalline forms of valacyclovir hydrochloride will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3467735

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.