| Patents for C09B 7 - Indigoid dyes (453) |
|---|
| 10/14/1986 | US4617403 Process for preparing a pigment based on 4,4',7,7'-tetrachlorothioindigo |
| 02/11/1986 | CA1200372A1 Solar energy storage materials |
| 01/28/1986 | US4567048 Sulfonated indoxyl derivatives |
| 11/26/1985 | US4555580 From phenylthioglycolic acids |
| 05/28/1985 | US4520103 Microbial production of indigo |
| 03/20/1985 | EP0134478A2 Process for the preparation of a pigment based on 4,4',7,7'-tetrachlorothio-indigo |
| 02/05/1985 | US4497724 Solar energy storage materials |
| 01/02/1985 | EP0129690A2 Process for the preparation of 4,4',7,7'-tetrachlorothioindigo pigments |
| 07/03/1984 | CA1170254A1 Dyes containing imidazolylmethylene groups |
| 06/26/1984 | US4456762 Process for the preparation of 4,7-dichloro-3-hydroxy-thionaphthene |
| 05/30/1984 | EP0109583A2 Microbial production of indigo |
| 05/29/1984 | US4451398 Dyes containing imidazolymethylene groups |
| 05/22/1984 | US4449516 Cis-trans photoisomerization of an indigo derivative |
| 05/10/1984 | WO1984001787A1 Microbial production of indigo |
| 02/14/1984 | US4431824 Preparation of 4,4',7,7'-tetrachlorothioindigo pigments of high color strength |
| 11/16/1983 | EP0094195A1 Solar energy storage materials |
| 08/10/1983 | EP0085392A2 Sunlight-energy-storing substances and sunlight-energy-storing method using the same |
| 12/15/1982 | EP0066806A1 Process for the preparation of 4,7-dichloro-3-hydroxy-thionaphthene |
| 10/06/1982 | EP0061624A1 Cationic dyes and their use |
| 09/14/1982 | US4349509 Oxygen indicator adapted for printing or coating and oxygen-indicating device |
| 08/04/1982 | EP0056868A2 Process for the preparation of deeply colored 4,4',7,7'-tetrachloro thioindigo pigments |
| 08/04/1982 | EP0056867A2 Process for the preparation of 4,4'-7,7'-tetrachloro thioindigo |
| 06/30/1982 | EP0055219A1 Dyestuffs, their preparation and use |
| 06/15/1982 | CA1125942A1 Process for the mass colouration of linear polyesters |
| 06/01/1982 | US4332955 Preparation of transparent pigmentary forms of 4,4',7,7'-tetrachlorothioindigo |
| 03/09/1982 | US4318848 Process for the neutralization of basic reaction compositions |
| 01/12/1982 | US4310359 Pigment compositions |
| 12/08/1981 | US4304919 Process for the production of asymmetrical thioindigo compounds |
| 11/10/1981 | US4299966 Process for the preparation of 4,4',7,7'-tetrachlorthioindigo in pigment form |
| 09/08/1981 | CA1108623A1 Isatin process and products |
| 09/02/1981 | EP0034725A2 Dyestuffs containing imidazolylethylene groups and their use |
| 08/18/1981 | US4284789 For cotton, pigments for plastics, lacquers |
| 04/07/1981 | US4260778 Process for the preparation of thioindigo compounds |
| 01/28/1981 | EP0023017A1 Process for the preparation of symmetrical thioindigo compounds or mixtures of symmetrical and asymmetrical thioindigo compounds as well as bis-(phenylthio)maleic acid derivatives and thionaphthenones per se |
| 01/28/1981 | EP0023016A1 Process for the preparation of asymmetrical thioindigo compounds as well as thionaphthenones as such |
| 11/04/1980 | US4231918 Thioindigo or dioxazine pigment and dye |
| 10/29/1980 | EP0018008A2 Process for the production of glazing-pigment forms of 4,4',7,7'-tetrachlorothio indigo |
| 10/21/1980 | US4229583 Oxidation |
| 06/17/1980 | CA1079740A1 Process for preparing thio-indigo dyestuffs |
| 02/12/1980 | US4188325 Isatin process and products |
| 01/29/1980 | US4186132 Isatin products |
| 01/15/1980 | US4183842 Pigments dissolving in metl |
| 10/02/1979 | US4169811 Oxygen indicator |
| 04/24/1979 | US4151170 Anthranilic acid derivative, nitro compound, rearrangement, cyclization, condensation |
| 04/04/1979 | EP0001267A1 Mass coloration of linear polyesters |
| 01/30/1979 | CA1047206A1 Coloring of organic materials with asymmetric thioindigoid compounds |
| 10/03/1978 | US4118186 Benzenesulfonamides |
| 09/26/1978 | US4116973 Dehydroindigo di(alkyl acylates), color producing |
| 06/28/1977 | US4032539 Coloring of organic materials with asymmetric thioindigoid compounds |
| 08/31/1976 | US3978270 Dehydroindigo di(alkyl acylates) |
| 08/03/1976 | US3972904 Water-soluble dyestuffs readily convertible into insoluble form and process for preparing them |
| 06/15/1976 | US3963429 Coloring of organic materials with asymmetric thioindigoid compounds |
| 06/01/1976 | US3960479 Coloring of organic materials with asymmetric thioindigoid compounds |