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