| Patents for C07D 493 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system (17,376) |
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| 10/04/1977 | US4052552 Thromboxane b analogs |
| 09/13/1977 | US4048317 Chroman derivatives |
| 09/13/1977 | US4048194 Thromboxane b2, prostaglandins |
| 09/06/1977 | US4046779 Polyimides, crosslinking |
| 08/02/1977 | US4039541 Monocyclic aromatic clathrates of 13-oxatetracyclo[8.2.12,9.0.03,8 ]tridec-5-ene-1,5,6,10-tetracarbonitrile |
| 07/12/1977 | US4035393 Chromogenic derivatives of bis-1,1-disubstituted ethylene and a process for preparing them |
| 07/05/1977 | US4033949 Prostaglandins |
| 06/28/1977 | US4032651 3,3A,6,6A-Tetrahydrofuro[3,4-b]furan derivatives and anti-ulcer composition containing them |
| 06/28/1977 | US4032542 4α,6-Dihydroxy-5-iodo-2.beta.-aryloxymethyl-3α-tetrahydropyranoacetic acid γ-lactone, 6-alkyl ethers |
| 06/21/1977 | US4031112 Cyclic acetals |
| 06/07/1977 | US4028437 Dodecahalo-9,10-oxadecahydro-1,4:5,8-dimethanoanthracene flame retardants for polymers |
| 06/07/1977 | US4028357 2'-(4,6-Disubstituted)-s-triazin-2-yl)amino-6'-dialkylamino flurans |
| 05/31/1977 | US4026883 Machine readable and copiable |
| 05/24/1977 | US4025640 Antiinflammatory, analgesic |
| 05/17/1977 | US4024188 Odorant |
| 05/17/1977 | US4024181 Pharmaceutical |
| 05/17/1977 | US4024157 Fluoran compounds and recording sheet containing them |
| 05/10/1977 | US4022805 Antiinflammatory, analgesic, antirheumatic |
| 04/26/1977 | US4020173 4α,6-Dihydroxy-2β-carboxaldehyde-3α-tetrahydropyranacetic acid γ-lactone, 6-alkyl ethers |
| 04/19/1977 | US4018804 Prostaglandins and derivatives |
| 04/19/1977 | US4018795 Sandwich type chemical compounds |
| 04/05/1977 | US4016176 Esters of 4-hydroxy-2,9-dioxatricyclo[4.3.1.03,7 ] decanes and processes for their production |
| 03/29/1977 | USRE29163 1,2,3,4,10,19-Hexanor-9-oxo-5,9-seco-25D-spirostan-5-oic acid |
| 03/29/1977 | US4014755 Vacuum distillation |
| 03/22/1977 | US4013726 Perfumes |
| 03/22/1977 | US4013711 Azulene compounds |
| 03/22/1977 | US4013619 Stabilizers for polymers |
| 03/01/1977 | US4010041 Anhydride derivatives |
| 02/15/1977 | US4008252 Substituted-3-formylchromone derivatives |
| 02/08/1977 | US4007195 Heterocyclic substituted fluorans |
| 01/25/1977 | US4005108 Novel anti-leukemic diterpenoid triepoxides |
| 01/25/1977 | US4004976 Process for recovering the main sapogenins from the roots of rhizomes of helleborus |
| 01/18/1977 | US4003951 Octahydroazulenols |
| 01/18/1977 | US4003922 Synthesis of cis-1,4-cyclohexadiene dioxide |
| 12/21/1976 | US3998853 13-Oxatetracyclo[8.2.12,9.0.03,8 ]tridec-5-ene-1,5,6,10-tetracarbonitrile |
| 12/21/1976 | US3998828 Oral hypoglycemic agents |
| 12/21/1976 | US3998825 Color precursors |
| 11/23/1976 | US3993670 Optical brighteners |
| 11/23/1976 | US3993663 Polycycloacetal, ester, alcohol |
| 11/09/1976 | US3991084 Steroid total synthesis process utilizing a cyanoalkyl A-ring precursor |
| 11/02/1976 | US3989716 Pyrrylfluoran compounds |
| 10/19/1976 | US3987186 2-carboxy-4-oxo-4h,6h-(2)-benzopyrano-(3,4-f)-(1)-benzopyrans and esters and salts thereof |
| 10/12/1976 | US3985930 Cyclopolymethylenefluoran compounds |
| 09/14/1976 | US3980674 2,3-Disubstituted 7-oxabicyclo-[2.2.1]-5-heptene |
| 09/07/1976 | US3979141 Pressure-sensitive recording system comprising 3'-amino-6' or 7'-(pyrazol-1-yl)fluoran compounds as color precursors |
| 08/31/1976 | US3978089 Perfumes |
| 08/31/1976 | US3978081 Asthma, antispasmodic, antithrombotic |
| 08/24/1976 | US3976664 Certain dodecahalo-9, 10-oxadecahydro-1,4:5,8-dimethanoanthracenes |
| 08/10/1976 | US3974291 Siccanin |
| 08/10/1976 | US3974180 Furanes, their manufacture and use |
| 08/03/1976 | US3972901 Diels-Alder type process involving a geminal-dihalocyclopropane and a dienophile |
| 08/03/1976 | US3972898 Steroid intermediates |
| 08/03/1976 | US3972897 Mosquito larvicide |
| 07/27/1976 | US3971808 Spirodipyrans and chromogenic materials for copying processes |
| 07/27/1976 | US3971731 Optical brightener, uv absorber |
| 07/20/1976 | US3970671 Chromogenic compounds and method for preparation thereof |
| 07/13/1976 | US3969369 Bruceantin |
| 07/13/1976 | US3969254 5,6-epoxy-1,4-endooxycyclohexanes |
| 06/22/1976 | US3965116 Multioxymacrocycles |
| 05/18/1976 | US3957828 3-Aminoalkyl-1,3-dihydro-3-phenylspiro[isobenzofurans] |
| 05/11/1976 | US3956317 High heat distortion point |
| 05/04/1976 | US3954991 Mosquito larvicide |
| 05/04/1976 | US3954990 Bactericidal and fungicidal cyclic dimedone derivatives of dialdehydes |
| 05/04/1976 | US3954814 Insecticides |
| 03/30/1976 | US3947580 Anti-arthritic compositions comprising N-heterocyclic pulvinic acid amides and methods of producing anti-arthritic activity |
| 03/30/1976 | US3947471 Benz (c) fluoran compounds and recording sheet containing them |
| 03/16/1976 | US3944571 Antiarthritic |
| 03/09/1976 | US3943151 Prostaglandin intermediates |
| 03/02/1976 | US3941813 Dioxatricyclodecanes and process for their manufacture |
| 03/02/1976 | US3941732 Vulcanizable rubber composition having improved physical properties |
| 02/03/1976 | US3936455 Oral hypoglycemic agents |
| 01/27/1976 | US3935253 Novel odorant |
| 01/20/1976 | US3933857 Polymerizable cycloacetal resinous composition |
| 01/13/1976 | US3932468 Dihydrofuran preparation |
| 01/13/1976 | US3932460 Method for the preparation of a tetraalkyl-tetraoxa-undecane |
| 01/06/1976 | US3931207 Antiarthritic |