Preparation of risperidone

Details Preparation of risperidone Preparation of risperidone

2007-08-14

2007-08-14

Coleman, Brenda (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C544S282000

Reexamination Certificate

active

10669272

ABSTRACT:
The present invention is directed to the novel forms of risperidone, designated Form A, Form B and Form E. Methods for their preparation are also disclosed. The present invention also relates to processes for making risperidone. Pharmaceutical compositions containing the new forms of risperidone and methods of using them are also disclosed.

REFERENCES:
patent: 4804663 (1989-02-01), Kennis et al.
patent: 2002/0193386 (2002-12-01), Pfeiffer et al.
patent: 2 050 069 (2004-05-01), None
patent: 2 074 966 (2005-09-01), None
patent: WO 01/85731 (2001-11-01), None
John 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.
G. Michael Wall “Pharmaceutical Applications of Drug Crystal Studies”, Pharmaceutical Manufacturing, vol. 3, No. 2, Feb. 1986; pp. 33-42.
John Haleblian et al “Pharmaceutical Applications of Polymorphism”; Journal of Pharmaceutical Sciences, vol. 58, No. 8, Aug. 1969—pp. 911-929.
O.M. Peeters et al., Structure of 3—{2-[4-(6-Fluoro-1,2-benzisoxazole-3-yl)piperidino]ethyl}—6,7,8,9-tetrahydro-2-methyl-4-H-pyrido-[1,2-α]pyrimidin-4-one (Risperidone), Acta Crystallographica (1993), Section C49, 1698-1700.

Affiliated with

Also associated with

Rating

Preparation of risperidone 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 of risperidone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of risperidone will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3885226