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