Patents for C07C 50 - Quinones (2,441) |
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08/29/1978 | US4110473 Miticidal ethers |
05/16/1978 | US4089873 Preparation of menaquinones |
04/25/1978 | US4086253 3,3',5,5'-Tetra-substituted diphenoquinone from 2,6-disubstituted phenol by phase-transfer catalysis |
04/18/1978 | US4085124 Oxidative coupling of alkylphenols, alkoxyphenols and 1-naphthols catalyzed by metal complexes of amino compounds |
03/21/1978 | US4080370 Process for producing high purity methoxyanthraquinones |
03/07/1978 | US4077988 Optically active anthracyclinones |
01/24/1978 | US4070382 Intermediates for polycyclic quinoid antibiotics |
01/10/1978 | US4067890 Oxidative coupling of alkylphenols, alkoxyphenols and naphthols catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
12/13/1977 | US4062879 Multistage, from 2-methyl-4,5,6-trimethoxyphenol and a boron compound |
12/06/1977 | US4061660 Process for synthesis of coenzyme Q compounds |
10/18/1977 | US4054587 Preparation of chloroanthraquinones from nitroanthraquinones |
09/27/1977 | US4051168 To form fluoroalkyl aromatic compounds |
09/20/1977 | US4049705 Useful for preparation of naphthoquinone miticides |
08/02/1977 | US4039573 Acid catalyst |
07/19/1977 | US4036861 Oxidation of a diphenylmethane, vanadium oxide catalyst |
07/19/1977 | US4036860 Production of anthraquinone |
07/12/1977 | US4035399 Vanadium pentoxide |
07/05/1977 | US4033987 Isolating naphthoquinone and phthalic anhydride from naphthalene oxidation product |
06/28/1977 | US4032548 Process for preparing 1,4-naphthoquinone |
04/12/1977 | US4017639 2-Hydroxy-3-nitro-1,4-naphthoquinones for the prophylaxis of certain allergies |
04/05/1977 | US4016211 Stabilized polyglycol for high temperatures |
03/29/1977 | US4014907 2-Hydroxy-3-nitro-1,4-naphthoquinones |
02/22/1977 | US4009200 Hexahalo-1,4-dihydro-1,4-methano-napth-5,8-ylene acetates |
02/01/1977 | US4006171 From nitroanthraquinone and halogen |
01/11/1977 | US4002654 Acidifying group ia or iia salts of anthraquinonedisulfonic acid with mineral acid |
01/11/1977 | US4002653 Oxidation of diphenylmethanes using vanadium pentoxide and titanium dioxide as catalysts |
12/21/1976 | US3998913 Abs terpolymer and a molecular complex of 1,2,3,4,9,9-hexachloro-1,4-dihydro-1,4-methanonaphthalene-5,8-diol |
10/19/1976 | US3987068 Oxidation of monohydroxy aryl compounds to 1,4-quinones |
10/05/1976 | US3984593 5,6,11,12-Tetraselenotetracene-o-chloroanil complexes |
09/28/1976 | US3983145 Use of alpha-di(lower alkoxy) anthraquinones in the synthesis of Alizarin Saphirols |
08/31/1976 | US3978096 Production of 1-chloroanthraquinone |
08/24/1976 | US3976667 Steffimycinone, 7-deoxysteffimycinone and derivatives |
08/10/1976 | US3974187 Benzoquinones, 6-alkyl- |
05/18/1976 | US3957836 Vitamin-like activity |
05/11/1976 | US3956346 Oxidizing trimethylphenol with manganese dioxide |
04/27/1976 | US3953482 Process for producing quinones |
04/06/1976 | US3948958 Process for making 3-prenylated menaquinones and ether intermediates |
03/30/1976 | US3947594 4-Halo-1-hydroxyanthraquinone containing fungicidal composition |
01/20/1976 | US3933681 Activation of copper salt phenol oxidation catalysts |
01/13/1976 | US3932525 Molecular complexes of DMSQ |
01/06/1976 | US3931254 Process for the preparation of anthraquinone |