Patents Assigned to Roche Vitamins Inc.
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Patent number: 6087152Abstract: Novel proteins of Flavobacterium sp. R1534 and the DNA sequences which encode these proteins are disclosed which provide an improved biosynthetic pathway from farnesyl pyrophosphate and isopentyl pyrophosphate to various carotenoid precursors and carotenoids, especially .beta.-carotene, lycopene, zeaxanthin and cantaxanthin.Type: GrantFiled: June 7, 1996Date of Patent: July 11, 2000Assignee: Roche Vitamins Inc.Inventors: Hans-Peter Hohmann, Luis Pasamontes, Michel Tessier, Adolphus van Loon
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Patent number: 6071963Abstract: Novel, stable, cold water dispersible preparations of fat-soluble substances contain a microbially produced oil rich in arachidonic acid. These preparations are manufactured by preparing an aqueous emulsion of the microbially produced oil which has been stabilized with an antioxidant and fish gelatin and if desired converting this emulsion into a dry powder. The preparations in accordance with the invention can be used for human nutrition.Type: GrantFiled: October 7, 1997Date of Patent: June 6, 2000Assignee: Roche Vitamins Inc.Inventors: Jean-Claude Tritsch, Johann Ulm
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Patent number: 6069170Abstract: The invention relates to a cosmetic light-screening composition for protecting human skin or human hair against ultraviolett radiation containing at least one compound of formula I ##STR1## wherein R.sup.1 represents a C.sub.1-8 straight or branched alkyl chain, andR.sup.2 and R.sup.3 each independently represent a C.sub.1-8 straight or branched alkyl chain.Type: GrantFiled: July 24, 1998Date of Patent: May 30, 2000Assignee: Roche Vitamins Inc.Inventors: Alain Bringhen, Hans Ulrich Gonzenbach, Magali Pochon, Dominique Sidrac
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Patent number: 6067842Abstract: An olfactometer has a sniffing port, a sample supply for generating a sample flow constituted by a carrier gas and sample head space from a saturation chamber and for supplying the sample flow to the sniffing port, a carrier gas supply, and mixer for predetermined dilution of the sample flow. The carrier gas supply includes mass flow controllers with variable flow rates disposed before the saturation chamber for providing variable carrier gas flow to the saturation chamber. A multiplicity of capillaries of different diameter connect the mixing means with the sniffing port via individual injectors. A computer may be interphased with the olfactometer to regulate the amount of sample and/or carrier gas in the sample flow.Type: GrantFiled: June 4, 1998Date of Patent: May 30, 2000Assignee: Roche Vitamins Inc.Inventors: Hansruedi Gygax, Christian Montagner, Norbert Neuner-Jehle
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Patent number: 6066731Abstract: A process for the production of a Mannich reagent comprises reacting formaldehyde, especially paraformaldehyde, with a secondary amine in the complete or almost complete absence of a solvent. An alternative comprises reacting a diaminomethane produced from a secondary amine, formaldehyde, especially paraformaldehyde, as well as water with one another in about equimolar amounts. The invention is also concerned with a process for the aminomethylation of .delta.-tocopherol or of tocopherol mixtures containing this and comprises using a Mannich reagent which has been produced in the above manner. After completion of this aminomethylation process excess Mannich reagent can be separated by distillation and can be reacted with water and formaldehyde, especially paraformaldehyde, in order to regenerate further Mannich reagent suitable for use in the aminomethylation, this regeneration representing a further aspect of the invention. Finally, the invention includes certain novel bis(aminomethyl)-.gamma.-tocopherols.Type: GrantFiled: March 22, 1996Date of Patent: May 23, 2000Assignee: Roche Vitamins Inc.Inventors: Robert Karl Muller, Heinz Schneider
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Patent number: 6066745Abstract: A process for the manufacture of d,1-.alpha.-tocopherol by the acid catalyzed condensation of trimethylhydroquinone with isophytol is provided, in which the condensation is carried out in the presence of not more than about 0.4 weight percent, based on the weight of isophytol, of a sulfur-containing acid catalyst such as sulfuric acid, methanesulphonic acid, ethanesulphonic acid, trifluoromethanesulphonic acid, p-toluenesulphonic acid, fluorosulphonic acid and mixtures thereof, and in a solvent which is ethylene or propylene carbonate or a mixture of both carbonates, or a mixture of one or both of the carbonates and a non-polar solvent.Type: GrantFiled: March 31, 1999Date of Patent: May 23, 2000Assignee: Roche Vitamins Inc.Inventors: Marcel Baak, Werner Bonrath, Paul Kreienbuhl
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Patent number: 6063937Abstract: The present invention provides a method of making alkali metal and alkaline earth metal salts of L-ascorbic acid 2-monophosphate comprising reacting a L-ascorbic acid 2-polyphosphate under alkaline conditions with an alkali metal or alkaline earth metal salt of L-ascorbic-acid in concentrated aqueous solution. The amount of the L-ascorbic acid salt is in molar excess of the polyphosphate and the pH value of the reaction medium is maintained in the range of from about 8 to about 11 wherein the reaction is carried out until substantially all of the polyphosphate has been consumed and only L-ascorbic acid 2-monophosphate salt is present. A further aspect of the present invention comprises spray drying the mixture obtained after completion of the reaction, cooling and dilution to a suitable viscosity.Type: GrantFiled: March 17, 1998Date of Patent: May 16, 2000Assignee: Roche Vitamins Inc.Inventors: Alain Dlubala, Paul Nosberger
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Patent number: 6060267Abstract: A process for the enzymatic production of vitamin B.sub.6 which includes incubating 1-deoxy-D-threo-pentulose and 4-hydroxy-L-threonine with an enzyme system that is cell free or essentially cell free and prepared from the cells of a microorganism belonging to the genus Rhizobium, Sinorhizobium, Flavobacterium, Chryseobacterium, Lactobacillus, Arthrobacter, Bacillus, Klebsiella, Escherichia, Pseudomonas, Stenotrophomonas, Enterobacter, Serratia, Corynebacterium, Brevibacterium, Exiguobacterium, Saccharomyces, Yamadazyma, Pichia or Candida, in the presence of NADP.sup.+, NAD.sup.+, ATP. Manganese and magnesium ions stimulate the above reaction. This process affords high yields of vitamin B.sub.6, a vitamin essential for the nutrition of animals, plants and microorganisms, and which is also useful as a medicine or food additive. In addition, an enzyme reaction system for producing vitamin B.sub.6 and a process for making the enzyme reaction system are also provided.Type: GrantFiled: April 14, 1999Date of Patent: May 9, 2000Assignee: Roche Vitamins, Inc.Inventors: Tatsuo Hoshino, Masaaki Tazoe
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Patent number: 6057136Abstract: The invention generally provides the genes of the biotin biosynthetic operon of Bacillus subtilis, and closely related species thereof, and well as constructions useful for high level production of biotin.Type: GrantFiled: July 8, 1996Date of Patent: May 2, 2000Assignee: Roche Vitamins Inc.Inventors: Stanley Grant Bower, John B. Perkins, R. Rogers Yocum, Janice G. Pero
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Patent number: 6048516Abstract: The invention relates to a composition which comprises a dibenzoylmethane capable of absorbing UV-A radiation and a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen, alkyl or alkoxy containing 1 to 18 carbon atoms provided that R.sup.1 and R.sup.2 are not both hydrogen; and n is 1 or 2 in an amount effective to photostabilize the dibenzolymethane, and a cosmetically acceptable carrier, and to cosmetic light-screening compositions containing at least one of the above agents, the use of the cosmetic light-screening compositions for the protection of the human skin and human hair against the ultraviolet radiation of wavelengths between about 320 and 400 nm (UV-A) and optionally also between about 290 and 400 nm (UV-B).Type: GrantFiled: July 10, 1998Date of Patent: April 11, 2000Assignee: Roche Vitamins Inc.Inventors: Alain Bringhen, Hans Ulrich Gonzenbach, Magali Pochon
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Patent number: 6040475Abstract: This invention is concerned with the synthesis of 3-(1-acetoxy-1-methylethyl)-6-oxo-heptanal; 3-(1-acetoxy-1-methylethyl)-2-formyl-1-methyl-cyclopentanol; 5-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-2-cyclopentyl]-3-methyl- penta-2,4-dien-1-ol and 2,7,11-trimethyl-13-[2-hydroxy-5-(1-hydroxy-1-methylethyl)-2-methyl-cyclop entyl]-trideca-2,4,6,8,10,12-hexaenal which are useful as intermediates for the synthesis of lycopene metabolites.Type: GrantFiled: May 12, 1999Date of Patent: March 21, 2000Assignee: Roche Vitamins Inc.Inventors: Hanspeter Pfander, Bruno Traber
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Patent number: 6037147Abstract: This invention is directed to cytochrome c.sub.551 polypeptides and polynucleotides encoding the polypeptides.Type: GrantFiled: March 31, 1998Date of Patent: March 14, 2000Assignee: Roche Vitamins Inc.Inventors: Akira Asakura, Tatsuo Hoshino, Masako Shinjoh, Noribumi Tomiyama
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Patent number: 6033649Abstract: Photostable, cosmetic light-screening composition, comprising, in a cosmetically acceptable vehicle containing at least one fatty phase, about 0.1 to about 5%, in particular about 1 to about 3% by weight, of a dibenzoylmethane type UV-A screening agent and at least about 0.5%, in particular about 0.5 to about 4.5% by weight, of a .alpha.-cyano-.beta.,.beta.-diphenyl-acrylate stabilizer, the mole ratio of the acrylate to the dibenzoylmethane derivative being less than 0.8, if the amount of the dibenzoylmethane is 1% or more, and, optionally, at least one conventional UV-B filter.Type: GrantFiled: December 4, 1996Date of Patent: March 7, 2000Assignee: Roche Vitamins Inc.Inventors: Hans Ulrich Gonzenbach, Gilbert Pittet
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Patent number: 6030645Abstract: The invention is concerned with a flowable dry particle consisting of at least one oleophilic substance as the active ingredient present in a matrix of at least one carrier material and a coating. The coating consists of calcium silicate or of a mixture of calcium silicate with one or more mixture components, with the mixture components being microcrystalline cellulose, magnesium silicate, magnesium oxide, stearic acid, calcium stearate, magnesium stearate, silicon dioxide, kaolin and/or hydrogenated vegetable oil.Type: GrantFiled: February 20, 1998Date of Patent: February 29, 2000Assignee: Roche Vitamins Inc.Inventors: Jean-Claude Tritsch, Johann Ulm
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Patent number: 6018075Abstract: A process for the manufacture of a .gamma.-acetoxy-tiglic aldehyde by reacting a .gamma.-bromotiglic aldehyde or a .gamma.-chlorotiglic aldehyde with sodium acetate or potassium acetate in an organic solvent in the presence of a phase transfer catalyst.Type: GrantFiled: May 12, 1999Date of Patent: January 25, 2000Assignee: Roche Vitamins Inc.Inventors: Bruno Burdet, Paul Nosberger, August Ruttimann
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Patent number: 6018044Abstract: The present invention concerns new s-triazines of the formula ##STR1## wherein W.sup.1, W.sup.2 and W.sup.3 each independently signifies C.sub.1 -C.sub.20 alkyl or a group SpSil;X.sup.1, X.sup.2 and X.sup.3 each independently signifies O or NH;Sp signifies a spacer group;Sil signifies a silane, an oligosiloxane or a polysiloxane moiety; with the proviso that at least one of W.sup.1, W.sup.2 and W.sup.3 signifies SpSil.Type: GrantFiled: December 23, 1998Date of Patent: January 25, 2000Assignee: Roche Vitamins Inc.Inventor: Ulrich Huber
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Patent number: 6008417Abstract: The invention is concerned with a multi-stage process for making an oxidative metabolite of the carotenoid lycopene, 2,6-cyclolycopene-1,5-diol having the formula ##STR1## In this process .alpha.-terpinyl acetate is oxidatively dihydroxylated to a cyclohexanediol (IV), the cyclohexanediol (IV) is oxidatively cleaved to a ketoaldehyde (V), the ketoaldehyde (V) is subjected to an intramolecular aldol condensation to give a cyclopentanol (VI), the cyclopentanol (VI) is silylated to its silylated derivative formylcylopentane (VII), the formylcyclopentane (VII) is subjected to a C.sub.Type: GrantFiled: October 7, 1998Date of Patent: December 28, 1999Assignee: Roche Vitamins Inc.Inventors: Hanspeter Pfander, Bruno Traber
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Patent number: 6008342Abstract: The invention provides an immunogenic polypeptide having the amino acid sequenceM A K S M L S G I V F A G L V A A A A A - S S A N S A A N V S V L E S G P A V Q E - V P A R T V T A R L A K P L L L L S A L - A A T L A A A F L V L Q C F N I I S S N - N Q Q T S V R R L A A G G A C G D E E D - A D E G T S Q Q A S R R R R K P D T P A - A D K Y D F V G G T P V S V T E P N V D - E V L I Q I R N K Q I F L K N P W T G Q - E E Q V L V L E R Q S E E P I L I V A R - T R Q T L E G Y L G S Q A L A Q D G K T - A K E E K V E G G K T H R R Y K V K S S - D P G Y G F P Y T T V L D G V P V G T D - E D G Y V V E V L M K T G P H G G V D M - M T S T A S Q G K F C G V L M D D G K G - N L V D G Q G R K I T A V I G M L T Q P - D T E F R S G P G D D E D D E (SEQ ID NO:1)and fragments thereof,which polypeptides are capable of inducing an immune response against Eimeria parasites, and the DNA encoding such polypeptides, as well as recombinant vectors and recombinant viruses containing the said DNA or fragments thereof and transformed micrType: GrantFiled: December 19, 1996Date of Patent: December 28, 1999Assignee: Roche Vitamins Inc.Inventors: Mary-Helen Binger, Luis Pasamontes
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Patent number: 6002047Abstract: The present invention is concerned with a process for the catalytic hydrogenation of organic compounds on a catalyst of amorphous metal alloys and in a solvent, with the hydrogenation being carried out under near-critical or supercritical conditions of the solvent. The amorphous metal alloys can be produced by the shock cooling of alloy melts having eutectic solidification points. By hydrogenation at hydrogen partial pressures between 5 and 400 bar there is obtained outstanding space-time yields with high long-term stability of the catalytic activity.Type: GrantFiled: October 28, 1997Date of Patent: December 14, 1999Assignee: Roche Vitamins Inc.Inventors: Michael Jansen, Claus Rehren
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Patent number: 6001554Abstract: Multiple micro-encapsulations of a high concentration oleophilic substance using heat to set the primary particle renders the composition suitable for the production of free-flowing powders or beadlets. Microencapsulation involves forming an emulsion out of the oleophilic substance and a polymer, and then use heat setting and/or cross-linking the polymer encapsulates the oleophilic composition. This process is then repeated with a second polymer or third polymer, and with or without cross-linked via the same or different mechanism to further protect the oleophilic substance.Type: GrantFiled: January 16, 1998Date of Patent: December 14, 1999Assignee: Roche Vitamins Inc.Inventors: Stasia Boyle, Kuei-Tu Chang