| Patents for C07C 46 - Preparation of quinones (1,836) |
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| 09/17/1980 | EP0015436A1 Process for the stereospecific preparation of compounds of the vitamin K1- and K2-series, as well as new starting materials for the process |
| 09/03/1980 | EP0015221A1 Process for the preparation of para-benzoquinones |
| 09/02/1980 | US4220597 Process for the preparation of anthraquinone |
| 08/21/1980 | WO1980001693A1 Manufacture of anthraquinone |
| 08/21/1980 | WO1980001692A1 Tetraalkyl phosphonium substituted transition metal complexes |
| 08/21/1980 | WO1980001691A1 Process for the preparation of aldehydes |
| 08/21/1980 | WO1980001690A1 Carbonylation process and novel transition metal catalysts |
| 08/21/1980 | WO1980001689A1 Phosphine and phosphonium compound and catalyst and their use in hydrocarbon conversion processes |
| 08/20/1980 | EP0014367A1 Process for the preparation of dimethoxyanthraquinones |
| 07/29/1980 | US4215063 Vanadium oxide and metal selected from ruthenium, rhenium, cerium, niobium, rhodium |
| 07/23/1980 | EP0013577A2 Process for the preparation of hexahydronaphthacene derivatives |
| 07/22/1980 | CA1082212A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of keto alcohol compounds |
| 07/22/1980 | CA1082211A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by cupric complexes |
| 07/22/1980 | CA1082210A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of dicarboxylic acid |
| 07/22/1980 | CA1082209A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of aminoketo compounds |
| 07/22/1980 | CA1082208A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of an oxime of a keto or aldehyde compound |
| 07/22/1980 | CA1082207A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of a hydroxy- or keto- acid |
| 07/22/1980 | CA1082206A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of thio-acid compounds |
| 07/22/1980 | CA1082205A1 Miticidal and aphicidal 2-higher alkyl-3-hydroxy-1,4- naphthaquinone carboxylic acid esters |
| 07/09/1980 | EP0012933A2 Photographic recording material |
| 06/17/1980 | US4208340 Uv absorbers, insecticides and antioxidant intermediates |
| 06/17/1980 | US4208339 Process for the preparation of para-benzoquinone |
| 05/13/1980 | US4202828 Process for separation of naphthoquinone and phthalic acid |
| 05/13/1980 | US4202788 Stabilization of aqueous p-benzoquinones |
| 05/06/1980 | US4201726 Intermediates formed from pentadiene and epoxytetramethylpentadecane |
| 05/06/1980 | US4201638 Triple ions of 1,2- and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same |
| 04/29/1980 | CA1076561A1 Process for the preparation of optically active anthracyclinones |
| 04/22/1980 | US4199531 Intermediates for the production of quinones |
| 04/22/1980 | CA1076127A1 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of diketo compounds |
| 04/16/1980 | EP0010032A1 Improved process for preparing anthraquinone in an aqueous medium |
| 04/15/1980 | CA1075706A1 Oxidative coupling alkylphenols catalyzed by metal complexes of polyimino acid |
| 04/08/1980 | CA1075254A1 Oxidative coupling of alkylphenols catalyzed by metal complexes of imino acid compounds |
| 04/08/1980 | CA1075253A1 Oxidative coupling of alkylphenols catalyzed by metal complexes of diimino acid |
| 04/08/1980 | CA1075252A1 Oxidative coupling of alkylphenols catalyzed by metal ammonia complexes |
| 04/01/1980 | US4196132 Continuous flow process for the preparation of o-chloranil from tetrachlorocatechol |
| 03/06/1980 | WO1980000340A1 Process for purifying naphthoquinone |
| 03/05/1980 | EP0008510A1 Preparing o-chloranil by oxidising tetrachlorocatechol |
| 02/20/1980 | EP0007985A1 6-Chloro-2,3-dihydroxy-1,4-naphthoquinone and its 2,3-diesters, and their preparation |
| 02/06/1980 | EP0007403A1 5,12-dihydroxy-1,2,3,4,6,11-hexahydro-2,6,11-trioxonaphthacenes and their synthesis |
| 02/05/1980 | CA1071179A1 Oxidative coupling of alkylphenols, alkoxyphenols, and naphthols, catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
| 01/23/1980 | EP0007051A1 Process for the preparation of quinizarine |
| 01/22/1980 | US4185154 Synthesis of vitamin E |
| 01/22/1980 | US4185024 Oxidation to o-benzoylbenzoic acid, esterification cyclization with sulfuric acid |
| 01/22/1980 | US4185023 Catalytic oxidative process for the manufacture of anthraquinone from o-benzyl toluene |
| 12/18/1979 | CA1068234A1 Process for concentrating halogenoanthraquinones |
| 11/27/1979 | US4176125 By oxidizing 1,4,4a,9a-tetrahydroanthraquinone or 1,4-dihydroanthrahydroquinone with a quinone type redox catalyst |
| 10/30/1979 | CA1065296A1 Oxidative coupling of phenols and naphthols |
| 10/17/1979 | EP0004591A1 Shell catalyst, process for its preparation and its use for the preparation of anthraquinones |
| 10/03/1979 | EP0004399A2 Photographic material suited for use in diffusion transfer photography and method of diffusion transfer photography using such material |
| 08/07/1979 | US4163864 Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol |
| 08/07/1979 | CA1060008A1 Process for the preparation of halogenoanthraquinones |
| 07/03/1979 | US4159993 Metallization, hemostatic agents |
| 06/19/1979 | CA1056843A1 Oxidation of monohydroxyaryl compounds to 1,4-quinones |
| 06/13/1979 | EP0002228A2 Hydroxy naphthoquinone derivatives, their preparations for treating and preventing theileriosis in cattle and sheep, processes for their synthesis; naphthoquinone derivatives |
| 06/12/1979 | CA1056390A1 Oxidative coupling of alkylphenols catalyzed by metal complexes of amino compounds |
| 05/22/1979 | US4155922 Process for the purification of crude anthraquinone |
| 05/16/1979 | EP0001873A1 Method of producing polyisoprenoid compounds by carbon-carbon bond formation |
| 04/24/1979 | US4151183 Process for the preparation of trimethyl-p-benzoquinone |
| 04/24/1979 | US4151182 Production of anthraquinone |
| 04/24/1979 | US4151177 Synthesis of optically active vitamin E |
| 04/10/1979 | US4148918 Aphicides |
| 04/03/1979 | US4147706 Intermediates for polycyclic quinonoid antibiotics |
| 04/03/1979 | US4147663 Oxidative coupling of alkylphenols, alkoxyphenols and naphthols catalyzed by metal complexes of amino carboxylic and amino sulfonic acids |
| 03/21/1979 | EP0001199A1 Process for preparing para-benzoquinone |
| 03/20/1979 | US4145353 Process for removing 1,4-naphthoquinone from phthalic anhydride |
| 03/06/1979 | US4143157 Miticidal and aphicidal method utilizing 2-higher alkyl-3-hydroxy-1'4-naphthoquinone carboxylic acid esters |
| 02/27/1979 | US4141799 Process for the purification of high-melting organic products |
| 02/13/1979 | US4139545 Immuno-potentiators |
| 02/13/1979 | US4139544 Oxidative coupling of alkylphenols catalyzed by metal complexes of polyimino acids |
| 01/09/1979 | US4133821 Alkylidenediquinocyclopropanes and Diarylcyclopropenes and method for preparation |
| 01/09/1979 | US4133198 Apparatus for bending large area construction units |
| 01/09/1979 | CA1046045A1 Activation of copper salt phenol oxidation catalysts |
| 01/02/1979 | US4132722 Oxidative coupling of alkylphenols catalyzed by metal complexes of diimino acid |
| 01/02/1979 | US4132721 Optically active anthracyclinones and process therefor |
| 12/19/1978 | US4130504 Oxidative coupling of phenols and naphthols |
| 11/28/1978 | US4127608 Bis(tri(decyl or octyl)methylammonium) nitrosodisulfonate |
| 10/17/1978 | US4120897 2-Alkyl-1-naphthol-4-sulfonic acids |
| 10/17/1978 | US4120824 Tetravalent manganese-carbon oxidation catalysts and methods of their preparation |
| 09/19/1978 | US4115584 Substituted 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters and their use as miticides |
| 09/12/1978 | US4113740 Synthesis of optically active vitamin E |
| 09/05/1978 | US4111967 Silicon containing catalysts |
| 08/29/1978 | US4110473 Miticidal ethers |
| 08/22/1978 | US4108908 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of thio-acid compounds |
| 07/18/1978 | US4101561 Oxidative coupling of alkylphenols catalyzed by metal complexes of imino acid compounds |
| 07/11/1978 | US4100206 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of keto alcohol compounds |
| 07/11/1978 | US4100205 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of aminoketo compounds |
| 07/11/1978 | US4100204 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of a hydroxy- or keto-acid compound |
| 07/11/1978 | US4100203 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of an oxime of a keto or aldehyde compound |
| 07/11/1978 | US4100202 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by cupric complexes |
| 07/04/1978 | US4098830 Oxidative coupling of alkylphenols or 1-naphthols catalyzed by metal complexes of dicarboxylic acid compounds |
| 07/04/1978 | US4098766 Method of oxidatively coupling alkyl phenols utilizing a tetravalent manganese-carbon catalyst |
| 06/27/1978 | US4097461 Cupric, cobaltous, manganous, or chromic chelate of diketone or keto ester |
| 06/20/1978 | US4096190 Oxidative coupling of alkylphenols catalyzed by metal ammonia complexes |
| 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 |
| 04/04/1978 | US4082848 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters |
| 03/28/1978 | US4081519 Process for oxidation of carbon monoxide with inorganic oxidizing agents |
| 02/14/1978 | US4073904 Bis-basic ethers of 2,6,- and 2,7-dihydroxy-anthraquinones |
| 01/24/1978 | US4070481 Substituted 2-higher alkyl-3-hydroxy-1,4-naphthoquinone carboxylic acid esters and their use as miticides |