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