Dye Extracted From Natural Product Patents (Class 8/646)
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Patent number: 6974485Abstract: Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibres, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibres using this composition, as well as the coloured products obtained using the composition.Type: GrantFiled: November 14, 2002Date of Patent: December 13, 2005Assignee: L'Oreal S.A.Inventors: Béatrice Belcour-Castro, Hervé Burgaud, Georges Hussler, Michel Seite
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Patent number: 6749647Abstract: A fiber is dyed with fine powder of peels of citrus fruits, the fine powder being obtained by pulverizing dried peels of the citrus fruits. The dyeing is performed using a bath of a dye extracted from the fine powder of the peels of the citrus fruits, or performed at the same time as extracting the dye. The fine powder of the peels of the citrus fruits used in the dyeing is powder having passed a sieve of 140 to 50 mesh.Type: GrantFiled: April 26, 2002Date of Patent: June 15, 2004Assignee: Kanemasu CorporationInventor: Takashi Kaneko
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Patent number: 6596036Abstract: The present invention relates to a method for the production of a dye preparation from madder root, comprising extraction of madder root in water at a temperature below 70-75° C., preferably below 65° C., while providing oxygen to the reaction mixture of madder root in water to obtain the dye preparation and to the dye preparation thus obtained.Type: GrantFiled: September 25, 2001Date of Patent: July 22, 2003Assignee: Coöperatie Rubia U.A.Inventors: Goverdina Christina Helena Derksen, Teris André Van Beek, Aede De Groot, Anthony Capelle
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Publication number: 20020083533Abstract: The present invention relates to a method for the production of a dye preparation from madder root, comprising extraction of madder root in water at a temperature below 70-75° C., preferably below 65° C., while providing oxygen to the reaction mixture of madder root in water to obtain the dye preparation and to the dye preparation thus obtained.Type: ApplicationFiled: September 25, 2001Publication date: July 4, 2002Applicant: Cooperatie RubiaInventors: Goverdina Christina Helena Derksen, Teris Andre Van Beek, Aede De Groot, Anthony Capelle
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Patent number: 6409772Abstract: The invention relates to the use of hydroxystilbenes for dyeing, to ready-to-use dye compositions comprising them, to a dyeing process using them and to a multi-compartment device containing the compositions used in the processes of the invention.Type: GrantFiled: December 21, 1999Date of Patent: June 25, 2002Assignee: L'OrealInventors: Francis Pruche, Didier Saint Leger, Bruno Bernard
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Patent number: 6406503Abstract: The present invention relates to a method of preparing dye from natural materials. The dye derived from the method of the present invention may be used in the cosmetic, pharmaceutical and food industries.Type: GrantFiled: January 18, 2000Date of Patent: June 18, 2002Assignee: Royal Caviar, Inc.Inventors: Robert G. Khatchatrian, Tigran Khatchatrian
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Patent number: 6368361Abstract: Tea polyphenol obtained by the extraction from tea has an antibacterial effect. In methods for producing an antibacterial fiber by fixing the tea polyphenol to fiber, the object of the present invention is to provide a process for manufacturing an antibacterial fiber capable of exerting an excellent antibacterial performance without the use of metal chelates potentially causing metal allergy and environmental problems. In order to achieve the above object, the present invention manufactures an antibacterial fiber by a process comprising the steps of contacting fiber with or immersing fiber in an aqueous solution in which a cationic surfactant with a quaternary ammonium salt group, a water-soluble protein, and an alkaline compound are dissolved; and separating said fiber from the aqueous solution, to immerse the fiber in another aqueous solution containing tea polyphenol.Type: GrantFiled: March 22, 2000Date of Patent: April 9, 2002Assignee: Ito En, Ltd.Inventors: Fumihisa Yayabe, Yasuhiko Ikegawa, Shuichi Takahashi, Yukiko Nonaka, Saburo Sugimoto, Kazuhiko Hayashi, Yuji Higashibata
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Patent number: 6329010Abstract: The process is based on the stabilization of a natural colorant such as cephalopod ink and is carried out in two phases, a microbiological stabilization and a chemisal stabilization, the first being carried out between 80 and 90° C. and the chemical stabilization being carried out by mixing with chemical absorbents such as plant carbon and a cellulose hydrolisate, and incorporating a common salt, medicinal plant carbon, cellulose hydrolisate and water, while providing for a stabilization time prior to packaging. The present invention can be used to obtain extruded substitute products such as the simulation of the backs, eyes and eye spots of squids and the colour of the legs and the degraded bicolor of calamars.Type: GrantFiled: July 20, 1999Date of Patent: December 11, 2001Inventor: Jose Iñaki Alava Marquinet
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Patent number: 6228132Abstract: Modified silk processed according to an embodiment of the present invention is an all-natural stretchable silk textile processed without synthetics. The modified silk includes commercially-advantageous physical properties such as stretchability and it is machine washable, wrinkle resistant, stain resistant, and water proof/repellant, which render the silk very versatile and wearable. The process comprises collecting silk, boiling the silk in a water and vinegar solution, whereupon the silk becomes stretchable or elastic. The silk may then be soaked in water and vinegar to add a wrinkle resistant effect. The silk is then fabricated into a silk textile for example in a cross weave configuration, adding an elastic quality without synthetics. The finished product may then be soaked in lemon grass and water to make it stain resistant.Type: GrantFiled: December 17, 1999Date of Patent: May 8, 2001Assignee: Innovative ProductsInventors: Phillip Prince, Irene Cheng
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Patent number: 6221417Abstract: This invention relates to the in situ process for converting non-free-form xanthophylls to free xanthophylls in the biological material of the plant. The method, more particularly, relates to a method that would liberate xanthophylls by transesterification of acyl-xanthophylls in plant materials which is used as a natural food colorant.Type: GrantFiled: November 17, 1998Date of Patent: April 24, 2001Assignee: Kemin Industries, Inc.Inventors: Benedikt Sas, Clifford Adams
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Patent number: 6132791Abstract: The production and use of a stable ruby red natural colorant prepared from an anthocyanin derived from purple hulled sunflower is described. The production of the ruby red natural colorant comprises the extraction of anthocyanin with an organically acidified aqueous solution and separating the extract from residual material. The extract can be concentrated to produce a ruby red concentrate. The natural colorant produced is stable over a wide pH range and upon exposure to light and elevated temperatures. The natural colorant is useful as a coloring agent for food products, cosmetics, pharmaceuticals and other materials.Type: GrantFiled: March 5, 1999Date of Patent: October 17, 2000Assignee: Barkley Seed, Inc.Inventor: Gregory J. Fox
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Patent number: 6024766Abstract: There is provided a process of desizing textiles with enzymes together with a subsequent step of deactivating any residual enzymes to prevent degradation of the textiles. There is further provided a step or removal of any residual sizing and/or decolorizing dyed garments with ozone.Type: GrantFiled: January 27, 1999Date of Patent: February 15, 2000Inventor: Eric M. Wasinger
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Patent number: 5993880Abstract: A new form of green color is prepared by specially treating copper chlorophyllin to make it acid-stable and cold-water-soluble. The new composition has a unique combination of properties makes it especially suitable for use in dry mix compositions for preparing acidic beverages and foods such as gelatin desserts. The dry, water-soluble, acid-stable green coloring composition contains copper chlorophyllin, a solid fixative and a hydrophilic surfactant. The weight ratio of the copper chlorophyllin to the hydrophilic surfactant is in the range of from about 1:1 to 1:6. For beverages and gelatin dessert mixes, flavor and sufficient acid are employed to achieve a pH of less than 4 when the dry mix composition is mixed with water.Type: GrantFiled: October 1, 1998Date of Patent: November 30, 1999Assignee: Kraft Foods Inc.Inventors: John R. Frost, Fouad Z. Saleeb
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Patent number: 5861045Abstract: There is provided a method of dyeing cellulosic and/or wool fibers and fabrics in a dyebath containing a dilute solution of tannic acid and/or tannic acid containing products at a proper pH. An exhaust salt is added to the bath to exhaust the tannic acid and then the tannic acid is fixed with an iron salt.Type: GrantFiled: April 2, 1997Date of Patent: January 19, 1999Assignees: John Lezdey, David HallInventor: David Hall
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Patent number: 5725603Abstract: A process for the direct dyeing of keratinous fibers, which comprises directly dyeing the fibers by contacting the fibers with a composition containing at least one natural dye and with a gas containing water vapor, the temperature of the gas being at least 75.degree. C. and the contact time between the gas and the fibers to be dyed not exceeding two minutes. The hair is dyed uniformly over the whole head of hair, from the roots to the ends, regardless of the condition of the hair.Type: GrantFiled: March 20, 1996Date of Patent: March 10, 1998Assignee: L'OrealInventors: Marie-Pascale Audousset, Jean-Michel Sturla
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Patent number: 5704950Abstract: A process for the manufacture of food colors from hibiscus flowers comprising the steps of removing the calyx and the androceum of half bloom flowers; washing the flowers; and storing the flowers in a pre-cleaned stainless vessel; heating the flowers with water in a decoction chamber to at least 65 degrees to 70 degrees celsius; preparing a 5 percent w/v solution of an alkaline amino acid in demineralized water; adding the alkaline amino acid solution to the decoction chamber containing the flowers until the pH in the aqueous phase is 7.5 to 8; heating the mixture in the decoction chamber till the temperature of the aqueous phase exceeds boiling point and steam is generated with pressure of at least 1.Type: GrantFiled: September 12, 1996Date of Patent: January 6, 1998Inventor: Dipten Putatunda
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Patent number: 5651795Abstract: A mordant for dyeing fibers is provided comprising an aluminum salt, preferably Al.sub.2 (SO.sub.4).sub.3, potassium or sodium carbonate, preferably the latter, and citric acid, capable of forming an aluminum hydroxide suspension in aqueous media having a pH of about 3.5-4. Methods of use of this composition are also provided. The mordant is useful in commercial dye processes including package dyeing.Type: GrantFiled: September 19, 1996Date of Patent: July 29, 1997Assignee: Allegro Natural Dyes LLCInventor: Sally Gurley
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Patent number: 5521233Abstract: A biodegradable air drying screen printing ink. The ink includes a base made of water and a colloidal gum, preferably sodium alginate. A naturally-occurring binder is added to the base, preferably natural latex. The ink also includes one or more pigments made from natural ingredients, preferably plants or insects.Type: GrantFiled: February 9, 1995Date of Patent: May 28, 1996Inventor: Shari Shifrin
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Patent number: 5516338Abstract: An aqueous dye composition is based upon a mixture of a water-soluble titanium salt, preferably titanium potassium oxalate and a tannin substance, preferably Myrobalan extract. This dye composition may be used to dye either natural fibers, synthetic fibers or blends thereof. The composition is particularly advantageous for either bottom dyeing denim fabric which can then be overdyed with indigo blue dye to provide blue-green hues or as a mordant for a basic dye.Type: GrantFiled: January 25, 1995Date of Patent: May 14, 1996Inventor: Panemangalore S. Pai
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Patent number: 5509941Abstract: A mordant composition for dyeing fibers is provided which comprises a colloidal suspension of aluminum hydroxide in an aqueous medium. The composition is formed by adding an aluminum sulfate salt to sodium or potassium carbonate in aqueous solution at a weight ratio of about 7:1 aluminum sulfate salt to carbonate salt. The preferred aluminum sulfate salt is alum.Type: GrantFiled: March 31, 1995Date of Patent: April 23, 1996Assignee: Allegro Natural Dyes LLCInventor: Sally Gurley
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Patent number: 5494491Abstract: An improved nonpolluting method of dyeing fibers or fabric, including natural cellulose fibers such as cotton or linen, using indigo dye. The improved process preferably includes pretreating the fibers with a mordant solution, preferably a natural nonpolluting mordant solution. The fibers are then treated with a reduced indigo liquor in an inert atmosphere, preferably nitrogen. The indigo is then oxidized by flooding the dyed fabric with water. This indigo dye process can be adapted to conventional garment, package and piece dye processes and machinery, which has not been possible with existing indigo dye processes. The improved process results in a consistent and even dyed material which is color and washfast.Type: GrantFiled: December 23, 1994Date of Patent: February 27, 1996Assignee: Allegro Natural Dyes LLCInventor: Sally Gurley
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Patent number: 5403362Abstract: An improved mordant solution and process for preparing fibers for dyeing and fixing natural dyes to fibers, particularly but not exclusively cellulose fibers, including cotton and linen, and synthetic fibers, including Rayon.RTM. and Tensel.TM.. The improved natural mordant solution comprises an aqueous solution of alum KAl(SO.sub.4) and soda ash Na.sub.2 CO.sub.3, most preferably an aqueous colloidal suspension of aluminum hydroxide. This mordant solution significantly improves the recognized measurable qualities of naturally dyed fibers, including light and washfastness, without using polluting heavy metal mordants. The improved mordant treatment and natural dye process includes first pretreating the fabric with an aqueous mordant wash, which increases the dye uptake in the dye bath, then treating the fabric with a second aqueous mordant wash, following dyeing, then preferably treating the dyed fabric with a final tannin wash, permanently setting the natural dye in the fibers or fabric.Type: GrantFiled: May 10, 1993Date of Patent: April 4, 1995Assignee: Allegro Natural Dyes Inc.Inventor: Sally Gurley
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Patent number: 5378246Abstract: An improved nonpolluting method of dyeing fibers or fabric, including natural cellulose fibers such as cotton or linen, using indigo dye. The improved process includes pretreating the fibers with a mordant solution, preferably a natural nonpolluting mordant solution. The fibers are then treated with a reduced indigo liquor in an inert atmosphere, preferably nitrogen. The indigo is then oxidized by flooding the dyed fabric with cold water. This indigo dye process can be adapted to conventional garment, package and piece dye processes and machinery, which has not been possible with existing indigo dye processes. The improved process results in a more consistent and even dyed material which is color and washfast.Type: GrantFiled: May 10, 1993Date of Patent: January 3, 1995Assignee: Allegro Natural Dyes, Inc.Inventor: Sally Gurley
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Patent number: 5246722Abstract: Concentrates of natural coloring agents such as carotene are prepared from organic media, particularly from palm oil, by a process in which the oil, together with a volatile solvent, is subjected to gel permeation chromatography. The concentrated coloring agent may then be used in food products such as margarine and ice cream.Type: GrantFiled: May 1, 1991Date of Patent: September 21, 1993Assignee: Unilever Patent Holdings B.V.Inventors: Anthonie Kunst, Marcellinus J. J. Hakkaart
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Patent number: 5244469Abstract: A novel black coloring material is obtained by treating a chitosan with a dyestuff of the lithospermum root. If a water-insoluble chitosan is used as the chitosan, a finely divided black coloring material is obtained, and if a gelatinous chitosan salt is used as the chitosan, a gelatinous black coloring material is obtained. If a water-soluble chitosan, chitosan oligosaccharide or D-glucosamine, or a salt thereof is used as the chitosan, a liquid black coloring material is obtained. If a powdery polymeric substance is treated with such a black coloring material, a polymer-based black coloring material is obtained, and if a fiber is dyed with such a black coloring material, the fiber is dyed to a black color having a low lightness.Type: GrantFiled: December 13, 1991Date of Patent: September 14, 1993Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Susumu Shimoyama, Yasuko Noda, Ujo Maeda, Tasuku Shimoyama, Kunio Kataoka, Eiichi Eto, Mieko Goto, Yoshio Hara, Satoru Shimoyama, Keiko Maeda, Kazumi Konya
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Patent number: 5221532Abstract: A composition for treating hair including Coulteria tinctoria pod extract activated by high temperatures, which composition is formulated into a thixotropic paste or cream for direct application to hair, subjecting the hair to the composition for a selected time, washing, setting and drying the hair.Type: GrantFiled: February 20, 1992Date of Patent: June 22, 1993Inventor: Vaclav Soukup
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Patent number: 5221289Abstract: A dyed textile article treated with tannic acid and dyed with an extract of mycelia or basidiocarps of Ganoderma lucidum. This article is produced by a process comprising contacting a substrate article of cotton, linen, silk or wool first with a pretreating bath containing tannic acid or a natural material containing tannic acid, e.g. gall, then with a mordant bath containing an alumina mordant, such as grass or wood ashes, and finally with the mycelia or basidiocarps of Ganoderma lucidum. This dyed textile article has not only a natural color and feeling, with a sufficient depth of color, but also antimicrobial and antiallergic functions.Type: GrantFiled: June 25, 1992Date of Patent: June 22, 1993Assignee: Hiroki MiyamatsuInventors: Hiroki Miyamatsu, Okihiro Kawai, Koji Morita, Michinori Kubo
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Patent number: 5210186Abstract: A method is provided for recovering astaxanthin, astaxanthin carotenoids, astaxanthin esters, chitin and proteins from crustacean tissues containing such. The method comprises an initial extraction of crustacean tissue with boiling lye to form an alkaline extract and an extracted residue. The alkaline extract, upon cooling, forms separate layers from which can be recovered component protein, astaxanthin, astaxanthin carotenoids and astaxanthin esters. The lye extracted residue of chitin-containing such crustacean tissue is readily processed to provide chitin.Type: GrantFiled: July 15, 1991Date of Patent: May 11, 1993Inventors: Gunnar Mikalsen, deceased, by Ester Mikalsen, heiress
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Patent number: 5200186Abstract: A process for the preparation of extracts with high content in anthocyanosides consists in treating plants, parts of plants or crude extracts with bisulfite ions to give anthocyanoside-bisulfite adducts. Said adducts are then eluted on non ionogenic resins at pH 5-6 and the obtained solution is extracted with polar organic solvents immiscible in water. The obtained extracts have a constant and standardized composition in anthocyanosides.Type: GrantFiled: August 3, 1990Date of Patent: April 6, 1993Assignee: Inverni Della Beffa S.p.A.Inventors: Bruno Gabetta, Gianfranco Zini
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Production and use of a high-intensity red natural colorant derived from carrot cell tissue cultures
Patent number: 5039536Abstract: The production and use of a high-intensity red natural colorant prepared from an anthocyanin derived from the cell line of Daucus carota (carrot) is described. The production of the high-intensity red natural colorant comprises the cultivation of Daucus carota in a cell tissue culture. Carrot cells are extracted from the cell tissue culture after subculturing and a suitable growth period. The extract is then purified in order to isolate the anthocyanin found in the carrot cells. The anthocyanin is then concentrated to produce the red natural colorant of the invention. The natural colorant produced is stable over a wide pH range under various conditions. The natural colorant is useful as a coloring agent for food products, cosmetics, and pharmaceuticals.Type: GrantFiled: July 2, 1990Date of Patent: August 13, 1991Assignee: International Genetic Sciences PartnershipInventors: Ron Vunsh, Michael B. Matilsky -
Patent number: 4878921Abstract: A natural blue dye composition that has improved stability and which can be used as a colorant in a broad range of applications including foodstuffs and drugs, and a process for preparing the same are disclosed.Genipin which is derived from gardenia fruit by hydrolysis of iridoid glycoside geniposide under action of .beta.-glucosidase, is reacted with taurine to produce a stable blue dye compositions.Type: GrantFiled: June 19, 1987Date of Patent: November 7, 1989Assignee: Suntory LimitedInventors: Kunimasa Koga, Shigeaki Fujikawa, Yuko Fukui
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Patent number: 4752301Abstract: A biomass containing biologically produced indigo or a derivative thereof which is used for dyeing without isolating the indigo dye from the rest of the solid biomass before dyeing. Cotton dyeings of clean pure shade can be obtained by a vat dyeing procedure which have the usual fastness properties associated with the active substance.Type: GrantFiled: June 23, 1987Date of Patent: June 21, 1988Assignee: Sandoz Ltd.Inventor: Werner Koch
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Patent number: 4481226Abstract: The storage and light stability of an anthocyanin food colorant obtained by extraction from grape pomace is enhanced by combination with tannic acid.Type: GrantFiled: March 31, 1982Date of Patent: November 6, 1984Assignee: General Foods CorporationInventors: Wayne H. Crosby, Charles V. Fulger, Gerhard J. Haas, Donna M. Nesheiwat
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Patent number: 4475919Abstract: A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the tablet, or other pharmaceutical products, as well as food and cosmetics, is made by suspending a natural water insoluble edible powdered substrate in an aqueous vehicle and dyeing the suspended powdered substrate with an edible natural dye. The liquid is removed to obtain the dry pigment powder of the invention which then can be suspended in a suspending medium and used for coating products to be colored such as food, drug and cosmetic products.Type: GrantFiled: January 6, 1982Date of Patent: October 9, 1984Assignee: Colorcon, Inc.Inventors: Edward J. Woznicki, Lawrence J. Rosania, Keith Marshall
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Patent number: 4320050Abstract: Process for extracting dyestuffs and particularly a blue pigment, called phycocyanine, from cyanophyceae algae, particularly of the Spirulina species, comprising contacting said algae with a first aqueous phase containing calcium ions, separating therefrom the mass of algae and contacting it with a second aqueous phase of alkaline character, separating the algae therefrom and extracting phycocyanine from said second aqueous phase by subjecting the same to an ultrafiltration step for concentrating the solution and then to a drying step.Type: GrantFiled: April 4, 1980Date of Patent: March 16, 1982Assignee: Institut Francais du PetroleInventors: Michel Rebeller, Pierre Yout, Daniel Lonchamp
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Patent number: 4302200Abstract: A process for the extraction of an anthocyanin-type color from a natural product which comprises bringing the natural product containing said color into contact with a sulfite ion-containing aqueous solution at a temperature of 85.degree. C. or higher for 30 minutes or less, at which time the sulfite ion content of said aqueous solution firstly contacting the natural product is adjusted to at least 10,000 ppm in terms of SO.sub.2.Type: GrantFiled: June 3, 1980Date of Patent: November 24, 1981
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Patent number: 4268265Abstract: Process for stabilizing dyestuffs sensitive to light and/or oxidation, especially natural dyestuffs, by adsorption on a highly disperse adsorbent, whereby the dyestuff is immobilized, as well as the application of the process to dyestuffs which are determined for dyeing medicines, for instance gelatine capsules for medicinal purposes, cosmetics, food stuffs and animal feed.Type: GrantFiled: July 13, 1979Date of Patent: May 19, 1981Assignee: Parke, Davis & CompanyInventor: Andre R. Von Wattenwyl
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Patent number: 4260388Abstract: Aqueous solutions of anthocyans are purified by contacting same with a particular, metallic oxide adsorbent, said adsorbent being coated with a thin film of a styrene polymer, and thence by separating the adsorbent and treating it with an eluant. The eluate and the dry, powdery anthocyans which can be obtained therefrom are useful red, blue and violet industrial colorants, especially food colorants.Type: GrantFiled: January 19, 1978Date of Patent: April 7, 1981Assignee: Rhone-Poulenc IndustriesInventors: Bernard Mirabel, Francois Meiller
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Patent number: 4247698Abstract: PCT No. PCT/JP78/00054 PCT Filed Dec. 14, 1978 Sec. 371 Date Aug. 9, 1979 Sec. 102(e) Date Aug. 9, 1979 PCT Pub. No. WO79/00394 PCT Pub. Date Jul. 12, 1979.Novel reddish coloring compounds of varying hue and the method for its production, obtained by reaction between iridoid compounds contained in biological substances, where if necessary, by pretreatment with chemical or enzymic means to form --COOH at the C-4 position, and in the case of glycosides by hydrolysis of iridoid compounds to aglycones with chemical or microbial or enzymic means, and a substance possessing a primary amino group under acidic condition.Type: GrantFiled: August 9, 1979Date of Patent: January 27, 1981Assignee: Taito Co., Ltd.Inventors: Ryosuke Toyama, Hiroyuki Inoue, Tetsuro Shingu, Yoshio Takeda, Takeshi Ikumoto, Hidetoshi Okuyama, Osamu Yamamoto