Patents for C09B 61 - Dyes of natural origin prepared from natural sources (3,035)
04/1998
04/15/1998CN1178787A Converting method for lutein
04/14/1998CA2041261C Preparation of concentrates of colouring agents
04/08/1998EP0834536A1 Isomerization of xanthophylls
04/01/1998EP0832569A2 Preparing powdery carotenoide compounds dispersible in cold water and their use
03/1998
03/25/1998CN1176760A Process for mfg. carotenoid compositions
03/19/1998DE19638004A1 Recovery of beta-carotene with high trans isomer content
03/18/1998CN1176577A Stable lycopene concentrates and process for their preparation
02/1998
02/05/1998WO1998004636A1 Production of solid derivatives of curcumine
02/05/1998CA2230895A1 Obtention of circumine solid derivatives
02/04/1998CN1172491A Granular leuco vat-dye preparations
02/03/1998US5714658 Solvent extraction
01/1998
01/29/1998WO1998003480A1 PROCESS FOR THE RECOVERY OF CRYSTALLINE β-CAROTENE FROM A NATURAL SOURCE
01/21/1998EP0819116A1 Process for obtaining carotene from palm oil
01/14/1998EP0818225A1 A process for the extraction of lycopene and extracts containing it
01/14/1998EP0734449B1 Method for obtaining food colouring product
01/06/1998US5704950 Process for manufacturing food grade colors from flowers, typically hibiscus
12/1997
12/24/1997WO1997048287A1 Industrial processing of tomatoes and lycopene extraction
12/24/1997WO1997041235A3 A NEW, PIGMENT-PRODUCING, STRAIN OF $i(BACILLUS THURINGIENSIS)
12/23/1997US5700471 Production of fine particle dye or drug preparations
11/1997
11/26/1997CN1165837A Granular solid pigment
11/25/1997US5691172 Lipsticks, nail polish or hair lotions
11/19/1997EP0807431A2 Process for the manufacture of carotenoid compositions
11/19/1997EP0807146A1 Granular leuco vat-dye preparations
11/12/1997EP0806200A2 Composition and process for dying keratin fibres
11/12/1997EP0806199A2 Composition and method for dyeing keratin fibres
11/11/1997US5686296 Yeast debris products
11/06/1997WO1997041235A2 A NEW, PIGMENT-PRODUCING, STRAIN OF $i(BACILLUS THURINGIENSIS)
11/05/1997CN1036309C Tea pigment and preparation thereof
10/1997
10/15/1997CN1161991A Method for separating safflower yellow dye and saccharified material from extract of safflower
10/09/1997WO1997036503A1 Foods containing stabilized water-soluble dyes
09/1997
09/24/1997CN1160064A Method for extracting melanin using lauraceae tree leaves and use thereof
09/23/1997US5670548 Pigmentation with carotenoids
09/17/1997EP0795585A1 Finely divided suspensions of carotenoids or retinoids and process to manufacture them
09/11/1997CA2199640A1 Finely dispersed carotenoid and retinoid suspensions and their preparation
09/10/1997CN1158870A Purple pigment extracting process from sweet pink-fleshed radish
08/1997
08/28/1997DE19605534A1 Production of indigo concentrate from wood in high yield useful for producing dye e.g. for textile, paper, paint or glaze
08/20/1997EP0790314A2 Process for the preparation of proanthocyanidins
08/20/1997EP0789517A1 Stable lycopene concentrates and process for their preparation
08/20/1997CN1035660C Tea pigment and preparing process thereof
08/13/1997CN1035621C Process for extracting capsorubin and capsaicin from red chilli
07/1997
07/31/1997WO1997026803A1 Water dispersible compositions containing natural hydrophilic, water-insoluble pigments, methods of preparing same and their use
07/31/1997WO1997026802A1 Water dispersible compositions containing natural hydrophobic pigment, method of preparing same and their use
07/30/1997CN1035512C Preparation for natural pigment sorghum red
07/03/1997DE19652287A1 Carotinoid oil dry powder preparations
07/01/1997US5643585 Coloring materials
06/1997
06/11/1997CN1151420A Jasmin uranidin prodn. tech.
05/1997
05/21/1997CN1034906C Technology for producing solid caramel by non-ammonium method and its special equipment
05/07/1997EP0684973B1 Process for the preparation of a water-dispersible carotenoid preparation in powder form
05/07/1997EP0660676B1 Novel compositions
05/07/1997CN1149067A Process for production of carthamin
04/1997
04/24/1997WO1997014319A1 Foods and beverages containing anthocyanins stabilized by plant extracts
04/10/1997DE19637227A1 Food colours prepd. from flowers, typically hibiscus flowers
03/1997
03/12/1997EP0761765A1 Process for the extraction of carotene dyes from natural products
03/04/1997US5607707 Optically clear products for use in human and animal healthcare
02/1997
02/25/1997US5605699 Pigmentation with carotenoids
02/25/1997CA2033546C Dye for coloring cigarette paper
02/12/1997EP0541595B1 Extraction of astaxanthin from plants of the species Adonis aestivalis
01/1997
01/22/1997EP0754734A1 A process for the preparation of natural dyes
01/22/1997CN1140735A Process for producing amaranth edible pigment
01/14/1997CA2082952C Color modified melanins and methods for their preparation and use
12/1996
12/05/1996DE19620471A1 Verfahren zur Wiedergewinnung von Astaxanthin-Carotinoid-Pigmenten aus Haematococcus pluvialis algae Process for the recovery of astaxanthin-carotenoid pigments from algae Haematococcus pluvialis
12/01/1996CA2177752A1 Process for the recovery of carotenoid pigment from algae
11/1996
11/28/1996WO1996037558A1 Novel anthocyanin colouring agents, methods for preparing same and coloured compositions containing same
11/21/1996WO1996036433A1 Encapsulated product
11/13/1996EP0741795A1 Process for the isomerization of lutein
10/1996
10/23/1996EP0574383B1 Color modified melanins and methods for their preparation and use
10/16/1996CN1133139A Natural plant pigment with health care function and extracting process thereof
10/02/1996EP0734449A1 Method for obtaining food colouring product
09/1996
09/26/1996WO1996029306A1 Process for obtaining carotene from palm oil
09/26/1996DE19510098A1 Verfahren zum Gewinnen von Carotin aus Palmöl A process for recovering carotene from palm oil
09/18/1996EP0732378A2 Method for purifying xanthophyll compound
09/17/1996CA2171780A1 Method for purifying xanthophyll compound
09/17/1996CA2049128C Dye for cigarette wrapper paper and cigarette having dyed wrapper
09/04/1996CN1130179A Carotenoid ketones and esters
08/1996
08/21/1996CN1129235A Water-soluble alkannic haematochrome and its usage
08/13/1996US5545557 Water insoluble coloring agent
08/08/1996WO1996023841A1 Granular leuco vat-dye preparations
08/01/1996DE19502968A1 Leukoküpenfarbstoff-Präparationen in Granulatform Leuco vat dye preparations in granule form
06/1996
06/26/1996EP0718284A2 Carotenoid ketones and esters
06/04/1996US5523494 Reacting marigold, yellow corn with aqueous alkaline solution to form natural yellow pigment feeds
05/1996
05/30/1996WO1996002594A3 Process for the isomerization of lutein
05/29/1996CN1123327A Method for preparation of high colour-value water-soluble red pigment of red rice
05/28/1996US5521233 Biodegradable air drying screen printing ink
05/14/1996US5516338 Titanium potassium oxalate
05/09/1996WO1996013178A1 Stable lycopene concentrates and process for their preparation
05/01/1996CN1121519A Food melanin extracting method
05/01/1996CN1031722C Reagent for delermining alpha-amylase activity containing same as effective ingredient and method for determining it
04/1996
04/23/1996US5510551 Separating carrot juice into carotenoid containing liquid fraction and pulp fraction, precipitating liquid fraction with solvent free precipitating agent like potassium hydorxide and magnesium chloride, separating rich portion
04/23/1996US5510463 Process for producing zein
04/17/1996CN1120666A Voltage linearized circuit
04/03/1996CN1119669A Powerful burning-rate accelerator for car gasoline
04/03/1996CN1119660A Coloring materials
03/1996
03/27/1996EP0602027B1 Synthesis of carminic acid and principal intermediates
03/13/1996CN1031282C Extraction of kafirin-red pigment
03/13/1996CN1031281C Extraction of natural edible yellow pigment
02/1996
02/29/1996WO1996006138A1 Method of extracting natural carotinoid dyes
02/28/1996CN1117507A Process for prepn. of natural pigment alkannin-red
02/22/1996DE4429506A1 Verfahren zur Extraktion natürlicher Carotinoid-Farbstoffe A method for extraction of natural carotenoid pigments
02/01/1996WO1996002594A2 Process for the isomerization of lutein
01/1996
01/24/1996EP0693535A1 Coloring materials
1 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31