Concentration and lysis of adenovirus-infected cells in a single unit operation
What is claimed is: 1. A method to release viruses from animal cells containing said viruses, comprising subjecting the cells to continuous centrifugation under conditions effective to concentrate the... Read More
Inventors: Monica, Thomas J.; Whiteley, Erik M.;, Assignee: Schering Aktiengesellschaft (Berlin, DE) |
Biologically pure cultures of Pseudomonas sorbosoxidans useful for producing 2-keto-L-gulonic acid
OF THE INVENTION The three strains which the present inventors have found have the following taxonomic characteristics. (a) Morphological characteristics: (1) Rods, 0.3 to 0.5.times.0.7 to 1.4 .mu.m.... Read More
Inventors: Imai, Ko; Sakane, Takeshi; Nogami, Ikuo;, Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP) |
Viscosity Probe
We claim: 1. A substituted aminostyrylpyridinium salt of formula (I): ##STR7## wherein Y.sub.1 is ##STR8## and Y.sub.2 is H; R.sub.1 and R.sub.2, which are the same or different are straight or branch... Read More
Inventors: Darling, Graham D.; Heisler, deceased, Seymour; Stranix, Brent R.; Turkewitsch, Petra; Wandelt, Barbara;, Assignee: McGill University (CA) |
Process for removing polyphenols in vegetable beverages
In accordance with the present invention, there is provided an adsorbent material in the form of finely divided powders or flakes for removal of polyphenols present in vegetable beverages, consisting ... Read More
Inventors: Matsuda, Shogo; Kuriki, Tomio; Ohue, Kazuto; Okajima, Kunihiko;, Assignee: Asahi Kasei Kogyo Kabushiki Kaisha (Osaka, JA) |
Enzymatic production of a starch conversion product having a high maltose content
What we claim is: 1. A method of enzymatic manufacturing of a starch conversion product having a high maltose content, using as a starting material a solution of a substrate comprising starch or a par... Read More
Inventors: Martensson, Kaj Bennedick;, Assignee: AB Stadex (Malmo, SW) |
Process for producing dextrose using mixed immobilized enzymes
What is claimed is: 1. A process for converting starch to dextrose comprising treating starch with alpha-amylase or acid or a combination thereof to obtain a partially hydrolyzed starch solution conta... Read More
Inventors: Thompson, Kenneth N.; Lloyd, Norman E.; Johnson, Richard A.;, Assignee: Standard Brands Incorporated (New York, NY) |
Process for preparing carboxylic acid
We claim: 1. A process for preparing carboxylic acid, the process comprising subjecting an oxidation product produced by reacting a peroxide with (a) unsaturated aliphatic monocarboxylic acid having a... Read More
Inventors: Nakazawa, Mikio; Fujitani, Kango; Manami, Hiroshi;, Assignee: New Japan Chemical Co., Ltd. (Kyoto, JP) |
Thermally stable and positionally non-specific lipase isolated from Candida
OF THE INVENTION Microorganisms Lipases according to the invention can be produced by cultivation of strains belonging to the genus Candida, particularly Candida Group I as defined by N. J. W. Kreger... Read More
Inventors: Ishii, Michiyo;, Assignee: Noro Nordisk A/S (Bagsvaerd, DK) |
Process for making carboxylic acids
OF THE INVENTION Other than in the claims and in the operating examples, or where otherwise indicated, all numbers expressing quantities of ingredients or reaction conditions used herein are to be un... Read More
Inventors: Rebrovic, Louis;, Assignee: Henkel Corporation (Plymouth Meeting, PA) |
Cytochrome P450 monooxygenase and NADPH cytochrome P450 oxidoreductase genes and proteins related to the omega hydroxylase complex of Candida tropicalis and methods relating thereto
An isolated nucleic acid is provided which encodes a CPRA protein having the amino acid sequence set forth in SEQ ID NO: 83. An isolated nucleic acid is also provided which includes a coding region de... Read More
Inventors: Wilson, C. Ron; Craft, David L.; Eirich, L. Dudley; Eshoo, Mark; Madduri, Krishna M.; Cornett, Cathy A.; Brenner, Alfred A.; Tang, Maria; Loper, John C.; Gleeson, Martin;, Assignee: |
Method of producing dicarboxylic acids suitable for synthesis of polymers or polyamides
OF THE INVENTION The method according to said independent claims constitutes a departure from the prior art and its success is surprising in several regards. The use of the carboxylic acids of a medi... Read More
Inventors: Frische, Rainer; Hegwein, Katja; Volkheimer, Jurgen;, Assignee: Dr. Frische GmbH (Alzenau, DE) |
Microbial process for producing L-ascorbic acid, D-erythorbic acid, and salts thereof
OF THE INVENTION The process of the present invention involves incubating 2-keto-L-gulonic acid or 2-keto-D-gluconic acid, each as the free acid, or as its sodium, potassium, or calcium salt, and cel... Read More
Inventors: Asakura, Akira; Hoshino, Tatsuo; Shinjoh, Masako;, Assignee: Roche Vitamins, Inc. (Parsippany, NJ) |
Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification
The invention provides a method for producing lactic acid by continuous fermentation. In a preferred embodiment, particular methods of whey permeate media pretreatment are utilized. More specifically,... Read More
Inventors: Bailey, Richard B.; Joshi, Dilip K.; Michaels, Stephen L.; Wisdom, Richard A.;, Assignee: Neurex Corp. (Menlo Park, CA) |
Pleated membrane crossflow fluid separation device
What I have claimed is: 1. A semipermeable membrane fluid separation device for the separation and concentration of two or more components of a fluid into two fluid streams, with a portion of said flu... Read More
Inventors: Schneider, Burnett M.;, Assignee: |
Membrane-based process for the recovery of lactic acid by fermentation of carbohydrate substrates containing sugars
OF PREFERRED EMBODIMENTS Lactic acid, a large portion of which is ionized at a temperature in the range from about 30.degree. C. to 45.degree. C., is recovered from the broth preferably at from 35.de... Read More
Inventors: Russo, Jr., Lawrence J.; Kim, Hyung S.;, Assignee: |
Methods for producing human lymphocytes and human monoclonal antibodies, and human monoclonal antibodies produced thereby
Accordingly, an object of the present invention is to provide a method for producing a human lymphocyte which produces an antibody, especially IgG antibody, which is specific to a desired antigen. Ano... Read More
Inventors: Kudo, Toshio; Hiyamuta, Shuichi; Tanedani, Toshiyuki; Kadota, Akihiko;, Assignee: Idemitsu Kosan Company Limited (Tokyo, JP) |
Process for making xylitol
We claim: 1. A method for the production of xylitol on a commercial scale from a pentose-rich solution obtained by acid hydrolysis of a pentosan-containing raw material which comprises the steps of a.... Read More
Inventors: Melaja, Asko J.; Hamalainen, Lauri;, Assignee: |
Direct fermentation of D-xylose to ethanol by a xylose-fermenting yeast mutant
The present invention provides a process for producing ethanol from either D-xylose or D-xylose containing hemicellulose hydrolyzates or plant material hydrolyzates by fermentation which comprises ino... Read More
Inventors: Gong, Cheng-Shung;, Assignee: Purdue Research Foundation (West Lafayette, IN) |
Method for the production of xylitol
The present invention contemplates a method for the production of substantially pure xylitol from an aqueous xylose solution which may also contain hexoses such as glucose as well as other impurities.... Read More
Inventors: Heikkila, Heikki; Nurmi, Juha; Rahkila, Leena; Toyryla, Marja;, Assignee: Suomen Xyrofin Oy (Kotka, FI) |
Yeast-based process for production of l-pac
OF THE INVENTION The invention will now be described in detail by way of reference only to the following non-limiting examples. EXAMPLE 1 Yeast-Mediated Acyloin Condensation of Benzaldehyde Using Pyr... Read More
Inventors: Smallridge, Andrew John; Trewhella, Maurice Arthur; Del Guidice, Margaret Mary;, Assignee: Victoria University of Technology (Victoria, AU); Polychip Pharmaceuticals PTY LTD (Victoria, AU) |
Partially non-volatile dynamic random access memory formed by a plurality of single transistor cells used as DRAM cells and EPROM cells
Herein described is a semiconductor memory referred to as Partially Non-Volatile Dynamic Random Access Memory (PNDRAM). The PNDRAM consists of a plurality of one transistor (1T) or two transistor (2T)... Read More
Inventors: Kirihata, Toshiaki; Storaska, Daniel; Narayan, Chandrasekhar; Tonti, William; Bertin, Claude; van Heel, Nick;, Assignee: International Business Machines Corporation (Armonk, NY) |
Intermediate transfer recording medium and method for image formation using the same
Accordingly, in order to solve the above problems of the prior art, it is an object of the present invention to provide an intermediate transfer recording medium and a method for image formation using... Read More
Inventors: Odamura, Kozo; Oshima, Katsuyuki; Imai, Takayuki; Kometani, Shinji; Yamazaki, Masayasu;, Assignee: Dai Nippon Printing Co., Ltd. (JP) |
Process for preparing ascorbic acid
OF THE INVENTION It has now been found, and this forms the subject of the present invention, that practically pure, that is greater than 99.5%, ascorbic acid may be obtained after purification on aci... Read More
Inventors: Le Fur, Isidore; Richard, Jean-Paul; Wolff, Gerard;, Assignee: Rhone Poulenc Rorer S.A. (FR) |
Recovery of erythorbates from photographic solutions
OF THE INVENTION The process of the present invention is directed to the recovery of erythorbate values from spent photographic solutions. The photographic solution may contain erythorbic acid or sal... Read More
Inventors: O'Donnell, Alvin J.;, Assignee: Pfizer Inc. (New York, NY) |
Method and apparatus for production of levulinic acid via reactive extrusion
The present invention provides an improved method and apparatus for producing levulinic acid with bifunctional chemical intermediates made by hydrolyzing starch and dilute acid in an extruder. Extrusi... Read More
Inventors: Ghorpade, Viswas M.; Hanna, Milford A.;, Assignee: Board of Regents University of Nebraska Lincoln (Lincoln, NE) |
Particles prepared by transacylation reaction between an esterified polysaccharide and a polyamine, methods of preparation therefor and compositions containing same
OF THE INVENTION According to the present invention, it has been discovered, entirely unexpectedly, that the creation of a stable membrane involving covalent bonds, at least at the surface of spheres... Read More
Inventors: Levy, Marie-Christine; Edwards-Levy, Florence; Orly, Isabelle;, Assignee: Coletica (Lyons, FR) |
Process for treating yeast with B-1, 3-glucanase to produce microcapsules for enclosing hydrophobic liquids
OF PREFERRED EMBODIMENTS The yeast cell wall of microcapsules which is used in the present invention is a physically and chemically relatively strong film comprising glucan, mannan, chitin or the lik... Read More
Inventors: Ishiguro, Mamoru; Shimura, Yutaka; Ishiwaki, Naomu;, Assignee: Mitsubishi Paper Mills Limited (Tokyo, JP); Kirin Brewery Company, Limited (Tokyo, JP) |
Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid
OF THE PREFERRED EMBODIMENTS The following disclosure of the invention is submitted in furtherance with the constitutional purpose of the Patent Laws "to promote the progress of science and useful ar... Read More
Inventors: Walkup, Paul C.; Rohrmann, Charles A.; Hallen, Richard T.; Eakin, David E.;, Assignee: Battelle Memorial Institute (Richland, WA) |
Amylase-negative, asporogenous mutant of Bacillus subtilis useful as a host in a host-vector system
OF THE INVENTION The B. subtilis strains disclosed and claimed were prepared by incorporating the genetic material from other strains of B. subtilis. An amylase-negative strain of B. subtilis, ATCC 3... Read More
Inventors: Dean, Donald H.; Ellis, Daniel M.;, Assignee: CPC International Inc. (Englewood Cliffs, NJ) |
Method for producing the ACCI restriction endonuclease and methylase
In accordance with the present invention there is provided a clone containing the genes for the AccI restriction endonuclease and modification methylase derived from Acinetobacter calcoaceticus, as we... Read More
Inventors: Chen, Shu-zi; Wilson, Geoffrey G.;, Assignee: New England Biolabs, Inc. (Beverly, MA) |
Molecular Biology 
