Patents
Patents for C07D 473 - Heterocyclic compounds containing purine ring systems (11,932)
01/1978
01/31/1978US4071517 Soluble salts containing sulphur
12/1977
12/06/1977US4061753 Treating psoriasis with transient pro-drug forms of xanthine derivatives
12/06/1977US4061566 Process using a supercritical fluid for regenerating synthetic organic polymeric adsorbents and wastewater treatment embodying the same
11/1977
11/29/1977US4060618 Quaternary xanthinylalkyl nortropine
11/29/1977US4060617 Antihyperlipidemic
11/29/1977US4060616 Viricide
11/22/1977US4059582 Process for preparing adenine
07/1977
07/26/1977US4038314 1-Hydroxy-1-[(4'-hydroxy-3'aminosulfonamido)-phenyl]-2-amino-ethanes and salts
07/12/1977US4035366 Geriatrics
06/1977
06/28/1977US4032347 2-equivalent acylacetamide yellow forming couplers with 2,6-dioxo-7-purinyl coupling off group
06/21/1977US4031251 Hydrophobic resins
06/21/1977US4031218 7-(2,3-Dihydroxypropyl-1,3-di-n-propylxanthine and a pharmaceutical composition containing same useful as a bronchial muscle relaxant
06/07/1977US4028358 6-Fluoro-9-perfluorobutyl purine
04/1977
04/05/1977US4016172 Azolindolines and azolindoline dyestuffs
02/1977
02/15/1977US4008363 Process for the preparation of adenine derivatives made functional and products obtained therefrom
02/08/1977US4007186 Process for preparing uric acid
12/1976
12/28/1976US4000132 Method for synthesizing certain selected pro-drug forms of theophylline
12/21/1976US3998953 1,3,7-Trisubstitued xanthine peripheral vasodilators
12/14/1976US3997584 Peptides
12/07/1976US3996361 Antiedematous, reducing capillary permeability
11/1976
11/30/1976US3994954 Process for preparing substituted glycines
11/02/1976US3989833 Pharmaceutical compositions containing adenine derivatives
10/1976
10/26/1976US3988317 Heterocyclic-substituted nebularin compounds
10/05/1976US3984413 Antilipemic, anticholesterolemic; peripheral and vasolidative effect
09/1976
09/14/1976US3980646 3-Methylpyrazole-5-carboxylates and medicaments containing these compounds
08/1976
08/17/1976US3975389 Bronchodilator
06/1976
06/08/1976US3962243 Mepyramine theophylline acetate
05/1976
05/25/1976US3959306 Azolindolines and azolindoline dyestuffs
04/1976
04/27/1976US3953597 Use of 6-amino-9-(substituted benzyl)purines and their corresponding N1 -oxides as coccidiostats
02/1976
02/03/1976US3936454 5-Amino-4-chloro-6-(substituted amino)-pyrimidines
01/1976
01/27/1976US3935196 Asthma
01/20/1976US3933819 Surfactants