| Patents for C09B 35 - Disazo or polyazo dyes of the type a d b prepared by diazotising and coupling (1,497) |
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| 05/08/1985 | EP0034174B1 Hydrogel implant article and method |
| 05/07/1985 | US4515881 Excellent carrier generating ability |
| 04/30/1985 | US4514045 Helichromic-smectic liquid crystal compositions and display cells |
| 04/17/1985 | EP0137630A2 Rheology modifiers for arylide yellow pigment dispersions and pigment dispersions containing same |
| 04/16/1985 | CA1185600A1 Disazo dyes and their use in colour-photographic recording materials for the silver dye bleach process |
| 04/02/1985 | US4508805 Disazo compounds, photoconductive compositions and electrophotographic light-sensitive materials containing the same |
| 03/26/1985 | US4507471 Charge transfer compounds for electrophotographic elecments |
| 03/12/1985 | US4504560 Electrophotoconductor for electrophotography comprising a disazo compound |
| 03/12/1985 | US4504559 Disazo compounds and photoconductive composition as well as electrophotographic light sensitive element containing the same |
| 03/05/1985 | US4502862 Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use |
| 02/19/1985 | US4500619 Electrophotographic photosensitive member with oxadiazole containing disazo compound |
| 01/22/1985 | US4495264 Organic pigments; stable charge-carrying property; durability |
| 01/16/1985 | EP0131140A2 Photoconductive compositions and electrophotographic photoreceptors using the same |
| 01/15/1985 | CA1181066A1 Monoazo and disazo dyestuffs containing aminoalkylenesulfonamido moieties |
| 12/25/1984 | US4490151 Disazo sulfophenylpyrazolonestilbene dyes and direct dyes to color cellulose black |
| 12/18/1984 | CA1179455A1 Monoazo and disazo dyestuffs randomly containing aminoalkylenesulfonamido moieties |
| 12/04/1984 | US4486522 Photosensitivity, durability |
| 12/04/1984 | US4486519 Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds |
| 12/04/1984 | US4486347 Flame retarding antimicrobial halogenated azo dyestuffs |
| 11/27/1984 | US4485042 Dyestuff containing at least three azo bridges |
| 11/14/1984 | EP0125128A1 Photoreceptor for use in electrophotography |
| 11/06/1984 | CA1177482A1 Organic compounds |
| 10/30/1984 | US4480019 Electrophotographic photosensitive material |
| 10/30/1984 | US4479906 Trisazo dye |
| 10/30/1984 | US4479866 Gas sensor with sensitive element enclosed in perforated hood |
| 10/24/1984 | EP0122447A1 Disazo dyestuffs |
| 10/23/1984 | US4478739 Dark colored composition based on liquid crystals |
| 10/23/1984 | CA1176774A1 Process for colouring fibre forming polyamides in the melt with azo pigments |
| 09/04/1984 | US4469515 Production of pigments |
| 08/28/1984 | US4468348 Paper, leather, nylon |
| 08/28/1984 | US4468255 Rheology modifiers for arylide yellow pigment dispersions and pigment dispersions containing same |
| 08/15/1984 | EP0115818A2 Cationic polyazo-dyestuffs, their stabilized solutions, their preparation and use |
| 07/25/1984 | EP0114043A2 Dye mixtures and their use in the dyeing of paper |
| 07/03/1984 | CA1170254A1 Dyes containing imidazolylmethylene groups |
| 06/27/1984 | EP0111779A2 Azo dyestuffs and liquid crystal matter containing azo dyestuffs |
| 06/19/1984 | US4455258 Cellulose substrates |
| 06/19/1984 | CA1169420A1 Trisazo black dyes |
| 06/13/1984 | EP0110205A2 Coloured liquid crystal mixtures containing phenyl ethanes |
| 05/29/1984 | US4451398 Dyes containing imidazolymethylene groups |
| 05/08/1984 | US4447513 Photosensitive material for electrophotography |
| 05/02/1984 | EP0107492A2 Helichromic-smectic liquid crystal compositions and display cells |
| 04/17/1984 | US4443371 Leather, paper |
| 04/03/1984 | US4440845 Disazo compound, method of making same and electrophotographic element using same |
| 03/27/1984 | CA1164159A1 Process for the finishing of fibrous materials |
| 03/13/1984 | US4436800 Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance |
| 02/21/1984 | US4433039 Trisazo electrophotographic photosensitive material |
| 02/21/1984 | US4432900 Cationic dyestuff printing inks |
| 01/25/1984 | EP0099014A2 Dark coloured composition based on liquid crystals |
| 01/24/1984 | US4427753 Electrophotographic photosensitive member with disazo or trisazo compound |
| 01/18/1984 | EP0098522A2 Liquid crystal composition |
| 01/18/1984 | EP0098430A2 Triazine compounds, their preparation and their use |
| 01/17/1984 | US4426327 3,6-Disazo-9-ethyl carbazole compounds |
| 01/17/1984 | US4426312 Liquid crystal material containing disazo dyestuffs |
| 01/17/1984 | US4426226 Recording liquid |
| 01/11/1984 | EP0097912A1 Use of diaryl pigments for the pigmentation of plastics |
| 11/29/1983 | US4418133 Disazo photoconductive material and electrophotographic photosensitive member having disazo pigment layer |
| 11/29/1983 | CA1157981A1 Hydrogel implant article and method |
| 11/16/1983 | EP0094019A1 Water-soluble disazo compounds, process for their preparation and their use as dyestuffs |
| 11/01/1983 | US4413045 Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer |
| 11/01/1983 | US4412950 Monoazo and disazo colorants |
| 10/19/1983 | EP0091833A1 Electrophotographic photosensitive material |
| 09/20/1983 | US4405793 1,3,4-Oxadiazoles |
| 09/06/1983 | CA1153237A1 Electrophotographic sensitive element including a disazo compound |
| 08/31/1983 | EP0087248A1 Liquid crystal composition containing azo dyes |
| 08/30/1983 | US4401369 Nematic host, cholesteric component and tetrakisazo dye |
| 08/23/1983 | US4400455 Layered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layers |
| 08/23/1983 | US4400321 Reacting a diaminobenzene, monoaminobenzene and sodium nitrite |
| 08/23/1983 | US4400059 Liquid crystal display device |
| 08/16/1983 | US4399206 Disazo electrophotographic photosensitive member |
| 08/10/1983 | EP0085465A1 Photosensitive material for electrophotography |
| 08/02/1983 | US4396696 Electrophotographic plate having azo compound photosensitive layer |
| 07/27/1983 | EP0084314A2 Reactive disazo dyes |
| 07/27/1983 | EP0084208A2 Asymmetric dichroic dye molecules having polyazoaryl linking groups and substituted aryl thiazyl substituents |
| 07/19/1983 | US4394129 Process for the finishing of fibrous materials: sulfonyl- or carbonyl-cyanamides of dyestuffs |
| 07/05/1983 | US4391824 Ureylenebis (hydroxy naphthalenesulfonic acids) |
| 07/05/1983 | US4391639 Disazo dye |
| 06/28/1983 | US4390470 Anionic dye for cellulose, polyamides, polyurethanes, polypropylene, paper and leather |
| 05/11/1983 | EP0078575A1 An electrophotographic photosensitive material |
| 05/04/1983 | EP0078151A1 Photoreceptors for electrophotography |
| 04/06/1983 | EP0075773A1 Dyestuffs, their preparation and their use |
| 04/05/1983 | US4379089 Polyaminoalkylenesulfonamidated disazo colorants |
| 04/05/1983 | US4379088 N-Aminoalkylenesulfonamido substituted monoazo colorants |
| 04/05/1983 | CA1144161A1 Diazo compounds, a process for their preparation and their use as colorants |
| 03/15/1983 | US4376729 Novel monoazo and disazo colorants |
| 03/09/1983 | EP0073387A1 Water-soluble polyazo dyestuffs, their preparation and their use |
| 03/08/1983 | CA1142515A1 Azo dyestuff sulfonic acid salts, process for their manufacture and their use |
| 02/22/1983 | CA1141755A1 Production of pigments |
| 02/09/1983 | EP0070972A1 Ureylenebis (hydroxynaphthalenesulfonic acids) |
| 02/01/1983 | CA1140330A1 Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications |
| 01/25/1983 | US4370431 Process for coloring fibre forming polyamides in the melt with azo pigments |
| 01/04/1983 | US4367273 Electrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compound |
| 01/04/1983 | US4367173 Azo pigments containing pyrazoloquinazolone radicals |
| 12/22/1982 | EP0067354A1 Liquid crystal material containing azo dyes |
| 11/24/1982 | EP0065130A1 Tris-azo dyestuffs |
| 11/16/1982 | US4359515 Disazo electrophotographic light-sensitive media |
| 11/16/1982 | US4359513 Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group |
| 11/16/1982 | US4359418 Yellow, orange color |
| 11/16/1982 | US4359398 Liquid crystal compositions with novel tris-azo dichroic dyes |
| 10/27/1982 | EP0063387A1 Electrophotographic plate |
| 10/26/1982 | US4356243 Electrophotographic media with benzoxazole group containing dis-azo compound |