Patents for C09B 61 - Dyes of natural origin prepared from natural sources (3,035)
01/2000
01/19/2000CN1241599A Method of extracting natural edible turnip haematochrome from red-core turnip
01/12/2000CN1241149A Flotation separation method and system for dewatering suspensions of microalgae and extracting components therefrom
01/12/2000CN1240808A Process for producing Chinese-herbal dye for fabrics
12/1999
12/29/1999EP0966888A1 Process for producing a food colorant, colorant thus obtained and uses thereof
12/29/1999CN1239977A Stable aqueous dispersions and stable water-dispersible dry xanthophyll powder, their production and use
11/1999
11/23/1999US5989876 Grinding; reacting with 1,5-naphthoquinone; hair dyes
11/18/1999WO1999058611A2 Process for extracting carotenes from carotene-containing materials
11/18/1999DE19821009A1 Extraction of carotenes useful as antioxidants and natural colorants in food
11/18/1999CA2326581A1 Process for extracting carotenes from carotene-containing materials
11/17/1999EP0956315A1 Stable natural pigment-containing composition
11/17/1999CN1235625A Dye composition and method for dyeing hydrophobic fiber with the same
11/10/1999EP0807146B1 Granular leuco indigo preparations
11/10/1999CN2347976Y Automatic extractor for edible synthetic colour
11/02/1999US5976575 Dry carotenoid-oil powder and process for making same
10/1999
10/28/1999WO1999054408A1 Trans-xanthophyll ester concentrates of enhanced purity and methods of making same
10/27/1999CN1232840A Preparation of water soluble monascorubin and xanchrome
10/26/1999US5973211 Isomerizing lutein to yield a mixture of epimers of zeaxanthin
10/20/1999CN1231843A Preparation of finely divided pulverous carotenoid preparation
10/19/1999US5968251 Production of carotenoid preparations in the form of coldwater-dispersible powders, and the use of the novel carotenoid preparations
10/07/1999WO1999050434A1 Strain of the microorganism penicillium oxalicum var. armeniaca and its application
10/06/1999CN1230574A Natural pigment from aril of balsam pear
09/1999
09/29/1999EP0944675A1 Stable, aqueous dispersions and stable, water-dispersible dry xanthophyll powder, their production and use
09/29/1999EP0944566A1 Improved processes for recovering xanthophylls from corn gluten meal
09/28/1999US5959138 Reacting acetic or propionic anhydride with one part carotenoid extracts saponified with sodium or potassium hydroxide, in the absence of solvents
09/22/1999CN1228937A Use of carotenoid aggregates as colorants
09/14/1999US5951875 Adsorptive bubble separation methods and systems for dewatering suspensions of microalgae and extracting components therefrom
09/01/1999EP0939108A1 Dye composition and method for dyeing hydrophobic fiber with the same
08/1999
08/25/1999EP0937412A1 Preparation of a finely divided pulverous carotenoid preparation
08/25/1999CN1226586A Treated red pigment from radish and extraction thereof
08/23/1999CA2261456A1 Preparation of a finely divided pulverous carotenoid preparation
08/04/1999CN1224738A Natural plant pigment extracting technology and its product
07/1999
07/21/1999EP0930022A2 Use of carotinoid aggregates as colourants
06/1999
06/16/1999EP0656920B1 Cosmetic composition containing at least one derivative of 5-methoxy 8-methyl 2-phenyl 7h-1-benzopyran-7-one as a colouring
06/03/1999WO1999026914A1 Short chain diesters and process for their production
06/03/1999WO1999026489A1 Process for producing a food colorant, colorant thus obtained and uses thereof
06/03/1999CA2311394A1 Short chain diesters and process for their production
06/01/1999US5908650 Pigment composition containing anthocyanins stabilized by plant extracts
05/1999
05/26/1999EP0844909B1 Encapsulated product
05/14/1999WO1999023067A1 Lutein to zeaxanthin isomerisation process
05/11/1999US5902890 Process for obtaining carotene from palm oil
05/06/1999EP0912506A1 PROCESS FOR THE RECOVERY OF CRYSTALLINE $g(b)-CAROTENE FROM A NATURAL SOURCE
04/1999
04/27/1999US5897866 Process for the extraction of lycopene using phospholipid in the extraction medium
04/20/1999US5895659 Finely dispersed carotenoid and retinoid suspension and their preparation
04/07/1999CN1042813C Rock colour-changing method and dye
03/1999
03/30/1999US5888254 Leuco vat-dye preparations in granule form
03/17/1999EP0652709B1 Improvements in or relating to germicidal compositions
03/11/1999WO1999011718A1 Stable natural pigment-containing composition
03/11/1999CA2269288A1 Stable natural pigment-containing composition
03/10/1999CN1210122A Extraction of blue pigment and polysaccharide from spirulina and use of residues
03/10/1999CN1210121A Extraction of blue pigment from fresh spirulina
03/03/1999EP0898954A2 Composition for dyeing keratin fibres
02/1999
02/25/1999WO1999008549A1 Water-dispersible carotenoid pigment preparation
02/16/1999US5871574 Method for collecting tomato pigment and its application
02/03/1999CN1206726A Process for preparing natural alkannin
02/02/1999US5865853 Water soluble mixture
01/1999
01/28/1999WO1999003830A1 Improved pigmenting efficiency of a natural xanthophyll by isomerization
01/26/1999US5863953 Liquid, oil-miscible carotenoid preparations
01/21/1999DE19726651C1 Natural dyestuffs
01/13/1999CN1204668A Natural plant bright red pigment for blanket kind and preparation and using method thereof
01/13/1999CN1204667A Natural plant pure yellow pigment for blanket kind and preparation and using method thereof
12/1998
12/30/1998CN1203249A Process for preparing edible pigment
12/16/1998CN1041234C Voltage linearized circuit
12/15/1998US5849345 Carotenoid ketones and esters
12/10/1998DE19736553C1 Human hair colour based on indigo, avoiding colour change with time
12/08/1998US5847238 Processes for recovering xanthophylls from corn gluten meal
11/1998
11/25/1998CN1199572A Use of carotenoids as stabilizer of color of riboflavin and riboflavin derivatives
11/18/1998EP0878515A1 Use of caritenoids as colour stabilizers of riboflavin and riboflavin derivatives
11/18/1998EP0877562A1 Water dispersible compositions containing natural hydrophilic, water-insoluble pigments, methods of preparing same and their use
11/11/1998EP0876109A1 Water dispersible compositions containing natural hydrophobic pigment, method of preparing same and their use
11/11/1998CN1198661A Industrial processing of tomatoes and lycopene extraction
11/11/1998CN1198455A Red green cellulose production technology and equipment thereof
10/1998
10/27/1998US5827539 Dry carotenoid-oil powder and process for making same
10/06/1998CA2156515C Process for the preparation of a water-dispersible carotenoid preparation in powder form
09/1998
09/22/1998US5811609 Milling in the presence of hydrocolloid to form a suspension; melting, cooling, finely dividing, drying; amorphous, higher bioavailability
09/11/1998WO1998038976A1 Means and method for dying and coloring keratin fibers
09/10/1998DE19708497A1 Mittel und Verfahren zum Färben und Tönen keratinischer Fasern Agents and methods for coloring and tinting keratin fibers
09/09/1998CN1192333A Use of solubilized carotenoid prepn. for colouring foods and pharmaceutical prepns.
09/02/1998CN1191877A Preparation of betanin pigment
09/02/1998CN1191876A Preparation of betanin pigment as natural antioxidant
08/1998
08/26/1998EP0859557A1 Foods and beverages containing anthocyanins stabilized by plant extracts
08/25/1998US5798252 Shell of microbial cell wall having dye adsorbed on surface encapsulating essential oil flavoring or fragrance
08/05/1998CN1189489A Production of carotenoid preparations in form of coldwater-dispersible powders, and the use of novel carotenoid preparations
08/04/1998US5789647 Pre-dried raw material; extraction with compressed gas; optional entraining agent; cooling; crystallization
07/1998
07/23/1998WO1998031824A1 Fluorescent dyes from microorganisms
07/14/1998US5780693 Process for the manufacturing of zeaxanthin from lutein
07/14/1998US5780056 Core comprises natural carotenoid and edible oil, wall prepared from gelatin-based material
07/02/1998WO1998028082A1 Flotation separation methods and systems for dewatering suspensions of microalgae and extracting components therefrom
06/1998
06/30/1998US5773262 Process for the preparation of proanthocyanidins
06/24/1998EP0848913A2 Use of carotenoid solubisate for colouring foodstuffs and pharmaceutical preparations
06/24/1998CN1185433A Carotenoid preparation capable of mixing with liquid and oil
06/18/1998WO1998026008A1 Stable, aqueous dispersions and stable, water-dispersible dry xanthophyll powder, their production and use
06/18/1998DE19651681A1 Stabile, wäßrige Dispersionen und stabile, wasserdispergierbare Trockenpulver von Xanthopyllen, deren Herstellung und Verwendung Stable, aqueous dispersions and stable, water-dispersible dry powder of Xanthopyllen, their preparation and use
06/17/1998EP0848041A1 Dye precursor from plants of the medicago genus, its preparation and its use in the manufacture of dyestuffs
06/10/1998CN1184438A Encapsulated product
06/04/1998WO1998023567A1 Improved processes for recovering xanthophylls from corn gluten meal
06/03/1998EP0845503A2 Liquid carotenoid compound preparations miscible with oil
06/03/1998EP0844909A1 Encapsulated product
06/03/1998EP0844831A1 Industrial processing of tomatoes and lycopene extraction
05/1998
05/14/1998WO1998020078A1 Dye composition and method for dyeing hydrophobic fiber with the same
05/12/1998US5750379 Process for the production of carthamin
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