Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2011-07-12
2011-07-12
Balasubramanian, Venkataraman (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C514S243000
Reexamination Certificate
active
07977478
ABSTRACT:
Crystalline polymorphic forms of vardenafil and vardenafil hydrochloride, and processes for preparing them.
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Infantes, et al., Organic crystal hydrates: what are the important factors for formation, CrystEngComm, 2007, 9, pp. 65-71.
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Kanumathi Vijayapal Reddy
Koppera Ravindar Reddy
Revu Satyanarayana
Sajja Eswaraiah
Vajrala Venkata Reddy
Balasubramanian Venkataraman
Dr. Reddy's Laboratories Inc.
Dr. Reddy's Laboratories Limited
Franks Robert A.
Gupta Balaram
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