Patents
Patents for C07D 519 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or (11,041)
03/1978
03/28/1978US4081545 Penicillins
02/1978
02/28/1978US4076715 Treatment of cerebral insufficiency
02/21/1978US4075214 Preparation of leurosidine and novel leurosidine 4'-ethers and esters
01/1978
01/24/1978US4070358 Process for the preparation of diindole alkaloids or of the acid addition salts thereof
01/03/1978US4066615 Photostability, thermal stability
12/1977
12/27/1977US4065459 Sulfonation
12/27/1977US4065458 Eburnamenine derivatives
12/06/1977US4061861 Antibiotic
12/06/1977US4061748 7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivatives
11/1977
11/29/1977US4060618 Quaternary xanthinylalkyl nortropine
11/29/1977US4060530 Clavulanic acid amides
07/1977
07/26/1977US4038391 6-(1,8-Naphthyridin-2-yl)-5-piperazino carbonyloxy-7-oxo-6,7-dihydro-5H-pyrrolo-[3,4-b]pyrazines and related pyridines
06/1977
06/14/1977US4029663 Dimeric anhydro-vinca derivatives
05/1977
05/24/1977US4025522 Antileukemic alkaloid
05/03/1977US4021554 1,4-Oxathiino[2,3-c]pyrrole derivatives
04/1977
04/26/1977US4020072 Psychotropic
04/05/1977US4016274 Tranquilizers and anticonvulsant agents
04/05/1977US4016159 Acylamino-cephem-carboxylic acids containing an amidino or guanidino group in the molecule
03/1977
03/15/1977US4012390 Antitumor agents
03/15/1977US4012376 Photosensitive colorant materials
02/1977
02/15/1977US4008085 Photosensitive material containing an organic polyhalogen compound and a dye precursor and the use thereof
12/1976
12/28/1976US4000139 Organic compounds
12/21/1976US3998957 Complement inhibitors
11/1976
11/16/1976US3992371 Bactericides
11/02/1976US3989593 Vindoline and vinblastine
10/1976
10/12/1976US3985752 Prolactin inhibitors
09/1976
09/07/1976US3979395 Process for the preparation of vincamine and other indole alkaloids
07/1976
07/27/1976US3971797 Antiarthritic
07/06/1976US3968113 Conversion of leurosine to vincathicine
06/1976
06/01/1976US3960867 Reducing vat dye to leuco compound, oxidation
05/1976
05/25/1976US3959276 Antibacterial product
05/25/1976US3958815 Pressure-sensitive recording materials
05/04/1976US3954773 An indole-dihydroindole alkaloid used to prepare antimitotic agents
05/04/1976US3954733 Antibiotic
04/1976
04/06/1976US3948917 1,4-Dithiino(2,3-c)pyrrole derivatives
03/1976
03/23/1976US3945995 D-α-(4-hydroxypyridine-3-carbonamido)-p-hydroxyphenylacetamidopenicillanic acid
03/16/1976US3944554 Alkaloid, antimitotic
03/16/1976US3944553 Ladder polymers
03/02/1976US3941744 Piperidine derivatives and their use as stabilizers
01/1976
01/27/1976US3935195 Fluorescent dye
01/13/1976US3932417 Dimeric indole alkaloid purification process