Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 4-substituted pyrazolo[3,4-d]pyrimidine derivatives

4-substituted pyrazolo[3,4-d]pyrimidine derivatives

US Patent 5001127 · Granted Mar 19, 1991

Estimated economic value: $21,837,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Chemically modified saponins and the use thereof as adjuvants2001
Modified amino acids and compositions comprising the same for delivering active 2000
Compositions for oral delivery of active agents1997
4-substituted pyrazolo[3,4-d]pyrimidine derivatives1995
4-substituted pyrazolo[3,4-d]pyrimidine derivatives1995
Process for the preparation of enantiomerically pure thienopyran derivatives1995
Substituted thienopyrans as antihypertensive agents1995
Substituted thienopyrans as antihypertensive agents1994
6-substituted purinyl piperazine derivatives1993
6-substituted purinyl piperazine derivatives1993
Substituted benzhydryl 2-hydroxypropyl piperazine derivatives1993
Substituted biphenylalkoxyamines1993