"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5164371 | Heterocyclic ketones The invention provides a series of novel heterocyclic ketones of formula I ##STR1## and pharmaceutically acceptable base-addition salts thereof, in which the values of R4, L, A, X and Q have the meanings defined in the following specificat... | 11/17/1992 |
| 5047402 | Cyclic amides as medicaments This invention provides a series of novel cyclic amides of formula I in which the group >Z--Y--X< is selected from >C.dbd.CH--NN-CH.dbd.CHC.dbd.N--N< and >N--N.dbd.C< and the other radicals have the meanings defined in the following specification.... | 09/10/1991 |