| Patents for C09B 61 - Dyes of natural origin prepared from natural sources (3,035) | 
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| 07/27/1989 | WO1989006671A1 Food colouring agent made of vegetable raw material, method of making it and alcohol-free tonic drink containing it | 
| 07/26/1989 | EP0325137A2 Process for preparing dyes and/or active substances in a sterile fluidised bed poor in water | 
| 07/26/1989 | CN1034216A Extraction method of edible pigment from red bean skin | 
| 07/26/1989 | CN1034120A Prepn. of natural edible coloring agent | 
| 07/25/1989 | US4851339 Dyes from plants | 
| 07/04/1989 | US4844934 Emulsification with protective colloid, food coloring, stability | 
| 06/21/1989 | CN1033459A Glycyrrhizic flavochrome | 
| 04/05/1989 | CN1032176A Process for extracting pigment of vaccinium uliginosum | 
| 03/15/1989 | CN1031707A Method for extracting edible red pigment from sorghum shell | 
| 03/15/1989 | CN1031706A Method for extracting edible yellow pigment from sunflower's ligule | 
| 03/08/1989 | CN1031549A Extraction method of polyphenol edible natural pigment | 
| 02/15/1989 | CN1003306B Process for extracting manyspike tonaak edible pigment | 
| 02/08/1989 | CN1030924A Extraction of red pigment from fortune firethorn | 
| 02/01/1989 | CN1030778A Extraction of brown pigments from pasania cuspidata | 
| 01/31/1989 | US4801302 Process for dyeing human hair with brazilin or its hydroxyl derivative and compositions employed | 
| 01/18/1989 | CN1030346A Method for extracting natural edible pigment from seaweed | 
| 01/04/1989 | CN1030008A Natural edible pigment extracted from black glutinous rice and extracting method thereof | 
| 11/09/1988 | CN87103294A Process for extracting manyspike tonaak edible pigment | 
| 11/01/1988 | US4781936 Coloring compositions | 
| 10/12/1988 | CN87101355A Method of extraction of coloring matter and volatile oil from turmeric | 
| 10/04/1988 | US4775477 Pressure grinding, aqueous extraction; extract microfiltration and reverse osmosis | 
| 09/07/1988 | CN88100041A Method of production of turmeric series products | 
| 08/17/1988 | EP0278284A1 Pulverulent water-dispersible carotenoid compounds and process to prepare them | 
| 06/21/1988 | US4752301 Method to due cotton and other substrates with a micro-organism biomass containing indigo | 
| 05/11/1988 | DE3637826C1 Process for extracting natural dyes from walnut shells and henna | 
| 03/30/1988 | EP0261115A1 Method for producing dyes from vegetable elements. | 
| 02/23/1988 | US4726955 Preparation of finely divided, pulverulent carotenoid preparations | 
| 01/27/1988 | CN87104436A Improvement in or relating to organic compounds | 
| 01/13/1988 | EP0252501A2 Coloring compositions | 
| 01/07/1988 | EP0252002A2 Method for dyeing using a biomass containing indigo or a derivative thereof | 
| 01/07/1988 | EP0251063A2 Natural blue dye composition and colorant using the same | 
| 10/21/1987 | EP0242148A2 Method for purification of carotene-containing concentrate | 
| 10/13/1987 | US4699664 Complexing with inorganic pentavalent cation and hydrocolloids | 
| 10/07/1987 | EP0239949A2 Process for the manufacture of powdery finely divided preparations of carotenoids | 
| 10/07/1987 | EP0239575A1 Method for extracting carotene from carrots and carotene concentrate thus obtained | 
| 09/30/1987 | EP0239086A2 Process for the manufacture of finely divided, water dispersible preparations of carotenoids | 
| 09/15/1987 | US4693892 Lightfast | 
| 07/14/1987 | US4680314 Process for producing a naturally-derived carotene/oil composition by direct extraction from algae | 
| 05/13/1987 | EP0221277A2 Gelatin containing beta-carotene | 
| 04/15/1987 | EP0217887A1 A process for recovering chitin from materials in which chitin occurs together with or connected to proteinaceous substances | 
| 03/04/1987 | CN85106031A Non-ammonia method of extracting a colouring agent from chinese dates | 
| 02/11/1987 | CN86105236A Process for extracting the natural red pigment | 
| 12/04/1986 | WO1986007080A1 Method for producing dyes from vegetable elements | 
| 11/05/1986 | EP0200043A2 Stabilized natural pigment complexes | 
| 10/23/1986 | WO1986006082A1 A process for recovering chitin from materials in which chitin occurs together with or connected to proteinaceous substances | 
| 09/24/1986 | CN85102253A Process for extraction of pepper colours from chilli oil | 
| 07/17/1986 | WO1986004059A1 Method for extracting carotene from carrots and carotene concentrate thus obtained | 
| 04/08/1986 | CA1202809A1 Preparation of finely divided pulverulent carotinoid and retinoid compositions | 
| 04/01/1986 | CA1202567A1 5-hydroxynaphtoquinones used to dye human keratinic fibers dyeing process using the same and tinctorial composition used | 
| 12/31/1985 | CA1198700A1 Enzyme for decomposition of a high molecular carbohydrate, the isolated high molecular carbohydrate, a method for selection of a microorganism producing such enzyme and a method for production of such enzyme | 
| 12/31/1985 | CA1198699A1 Agent for decomposition of vegetable remanence, especially soy remanence, a method for production of a purified vegetable protein product, and a purified vegetable protein product | 
| 09/11/1985 | EP0154368A2 Process for the production of a microencapsulated natural pigmenting agent for animal feed | 
| 07/17/1985 | EP0148681A2 Process of dyeing with pulverulent dyes and composition for carrying it out | 
| 06/11/1985 | US4522743 Preparation of finely divided pulverulent carotinoid and retinoid compositions | 
| 02/19/1985 | US4500556 Solvent extraction using bisulfiteions | 
| 02/12/1985 | CA1182323A1 Anthocyanin colorant from grape pomace | 
| 02/12/1985 | CA1182322A1 Stabilized anthocyanin food colorant | 
| 11/20/1984 | US4483874 Soybean protein | 
| 11/06/1984 | US4481226 Tannic acid | 
| 11/06/1984 | CA1177307A1 Acid soluble blue colorant for food products | 
| 10/23/1984 | US4478856 Production of purified vegetable protein | 
| 10/23/1984 | US4478854 Enzymic hydrolysis | 
| 10/02/1984 | US4474983 Potassium tert-butoxide lithium, ethylamine basic compound | 
| 07/31/1984 | CA1171717A1 Process for concentrating and isolating a natural colorant | 
| 06/05/1984 | US4452822 Extraction and intensification of anthocyanins from grape pomace and other material | 
| 05/09/1984 | EP0054562B1 Natural food colorant | 
| 04/10/1984 | US4442209 Process for the production of monascus-pigment | 
| 02/21/1984 | US4433171 Sulphones having a 1,5-dimethyl-hexa-1,5-dienylene group | 
| 12/21/1983 | EP0096481A1 Extraction and intensification of anthocyanins from grape pomace and other material | 
| 10/11/1983 | US4409254 Process for concentrating and isolating a beet colorant | 
| 08/23/1983 | US4400400 Acid soluble blue colorant for food products | 
| 07/19/1983 | US4394470 Caramel | 
| 07/12/1983 | CA1149664A1 Edible colourant | 
| 05/31/1983 | CA1147103A1 Process for stabilizing dyestuffs sensitive to light and oxidation | 
| 05/17/1983 | US4383833 Solvent extracted from cell walls of black beans; used in foodstuffs | 
| 05/03/1983 | CA1145762A1 Curcumin-metal color complexes | 
| 04/27/1983 | EP0077583A2 Method for extracting astaxanthin | 
| 01/18/1983 | US4369197 Bulk preservative storage of horticultural crops and pigments produced from green horticultural crops | 
| 12/28/1982 | US4366173 Digestion of malt cereal with enzymes | 
| 11/24/1982 | EP0065193A2 Process for the manufacture of powdery, finely divided preparations of carotenoids or retinoids | 
| 09/29/1982 | EP0061210A1 Coloured polyethylene terephthalate moulding compound, a process for the preparation thereof and a container made therefrom | 
| 08/03/1982 | CA1128808A1 Process for enhancing the sunlight stability of anthocyanic pigments | 
| 06/30/1982 | EP0054562A1 Natural food colorant. | 
| 06/22/1982 | CA1126265A1 Process of purifying plant anthocyanin colors | 
| 05/25/1982 | US4331814 Intermediates to polyenes such as terpenes and carotenes | 
| 05/18/1982 | US4330561 Using carmel as colorant | 
| 03/16/1982 | US4320050 Process for selectively extracting dyestuffs contained in cyanophyceae algae, the so-extracted dyestuffs and their use, particularly in foodstuffs | 
| 03/16/1982 | US4320009 Processed anthocyanin pigment extracts | 
| 01/07/1982 | WO1982000035A1 Matural food colorant | 
| 12/22/1981 | US4307117 For animals from hatchery wastes | 
| 11/24/1981 | US4302200 Aqueous sulfite solution | 
| 10/07/1981 | EP0037204A1 A dry stabilized curcumin-colorant additive | 
| 09/29/1981 | CA1109865A1 Process for the purification of anthocyanosides | 
| 09/21/1981 | EP0016034A4 Stable food and beverage colorant, anthocyanin-peonidin-3-(dicaffeylsophoroside)-5-glucoside. | 
| 09/08/1981 | US4288556 Depilatory enzyme produced by streptomyces | 
| 08/25/1981 | US4285985 Process for enhancing the sunlight stability of rubrolone | 
| 08/25/1981 | US4285982 Mixing with a flavonol or sulfonated flavonol; flavonoids; plant extracts; foods; discoloration inhibition | 
| 08/18/1981 | CA1107278A1 Process for preparing anthocyans from corresponding flavonoid glycosides | 
| 07/28/1981 | CA1105875A1 Manufacture of symmetrical carotenoids | 
| 07/01/1981 | EP0030943A1 Edible colourant |