Phthalocyanine pigment and dispersion thereof and electrophotographic photoreceptor containing the pigment
An object of the present invention is to provide a hydroxymetal or hydroxysilicon phthalocyanine pigment having improved dispersibility. Another object of the present invention is to provide a dispers... Read More
Inventors: Nukada, Hidemi; Suzuki, Takahiro; Nukada, Katsumi; Daimon, Katsumi; Sakaguchi, Yasuo;, Assignee: Fuji Xerox Co., Ltd (Tokyo, JP) |
Toner
The present invention has been created in order to solve the problems as described above, and the object thereof is to provide novel toner having an excellent void forming resistance without lowering ... Read More
Inventors: Katagiri, Yoshimichi; Horikoshi, Yuzo; Sawatari, Norio;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Toner with wax component for developing electrostatic image
An object of the present invention is to provide a toner for developing an electrostatic image having solved the above problems. A more specific object of the invention is to provide a toner for devel... Read More
Inventors: Onuma, Tsutomu; Matsunaga, Satoshi; Ohno, Manabu; Shimojo, Minoru;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Electrophotographic positively chargeable developer containing silica treated with a nitrogen containing silane coupling agent and method of developing
An object of the present invention is to provide a developing method and a developer and therefore excellent in durability such as continual use characteristic. Another object of the present invention... Read More
Inventors: Suematsu, Koshi; Imai, Eiichi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Coloring fine particle and toner for developing electrostatic images using the same
The objects of the present invention are achieved by coloring fine particles, produced by heating spheroidal coloring fine particles obtained by suspension polymerization with an average particle diam... Read More
Inventors: Mori, Yoshikuni; Ikeda, Hayato; Kushino, Mitsuo; Urashima, Nobuaki; Uehara, Keiichi; Izubayashi, Masuji; Sano, Yoshinori;, Assignee: Nippon Shokubai Kagaku Kogyo Co., Ltd. (Osaka, JP) |
Electronograph developing agent and method of manufacturing the same
The purpose of the present invention is to provide a developing agent which can be easily prepared in simple steps, and has improved cleaning and anti-crush properties. Further, another purpose of the... Read More
Inventors: Miyamoto, Etsuko; Murata, Hiroshi; Kaga, Eiichi;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Coated carrier
What is claimed is: 1. A carrier comprised of a core and thereover a first polymer coating comprising a linear polycarbonate polymer obtained from the curing of a cyclic polycarbonate oligomer with an... Read More
Inventors: Odell, Peter G.; Silence, Scott M.; Henderson, K. Derek;, Assignee: Xerox Corporation (Stamford, CT) |
Photoconductive composition
OF THE INVENTION The present invention embodies a photoconductive composition comprising a mixture of (a) an infrared-sensitive organic photoconductor sensitive to light in the wavelength range of 70... Read More
Inventors: Shimazu, Ken-ichi; Patel, Jayanti S.; Merchant, Nishith V.;, Assignee: Sun Chemical Corporation (Fort Lee, NJ) |
Functionally seprated type toner for fixing with heated rolls
OF THE INVENTION The mixing weight ratio of the low-molecular weight and high-molecular weight components is preferably from 75:25 to 55:45. In the present invention, the weight ratio (A) of styrene ... Read More
Inventors: Suzuki, Chiaki; Shinoki, Masayoshi; Kumashiro, Koichi; Sakai, Sueko; Takahashi, Emi;, Assignee: Fuji Xerox Co., Ltd. (Tokyo, JP) |
Emulsion polymerization processes and toners thereof
OF THE INVENTION Emulsion polymerization and monodisperse toner particle formation processes of the present invention employ starve feed emulsion polymerization (SFEP) to accomplish the synthesis of ... Read More
Inventors: Paine, Anthony J.; O'Callaghan, Kevin J.; Rudin, Alfred;, Assignee: Xerox Corporation (Stamford, CT) |
Tumor localization and therapy with labeled antibodies specific to intracellular tumor-associated markers
What is claimed is: 1. A method for detecting and localizing a tumor which either produces or is associated with an intracellular marker substance, which comprises injecting a subject parenterally wit... Read More
Inventors: Goldenberg, Milton D.;, Assignee: |
Process for the potentiation of immunotoxins
What is claimed is: 1. In a process for preparing a composition comprising a conjugate of the chain A of ricin coupled by means of a disulfide bridge with an antibody directed against human T cells, t... Read More
Inventors: Casellas, Pierre; Gros, Pierre; Jansen, Franz;, Assignee: Sanofi (Paris, FR) |
Controlled release compositions (II)
We claim: 1. A controlled release composition comprising a prostaglandin and a polymeric carrier therefor comprising residues which are cross-linked through urethane groups, or analogues thereof, and ... Read More
Inventors: Embrey, Mostyn; Graham, Neil B.;, Assignee: Lloyds Bank PLC (GB) |
Segregation reducing agent for hydraulic composition and hydraulic composition
OF THE INVENTION In the segregation reducing agent for a hydraulic composition of the present invention, the thickener on the surface of the powder particles dissolves in, for example, concrete to gi... Read More
Inventors: Haze, Akira; Yamamoto, Yoshihisa; Miyanagi, Kazuki; Uchida, Shunsaku;, Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP) |
cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound
Accordingly, it is a general object of the present invention to provide an improved electrophotographic photoconductor comprising a novel and useful acceptor compound in which the above-mentioned prob... Read More
Inventors: Kawahara, Megumi; Yamada, Ikuko; Shoshi, Masayuki; Kojima, Akio;, Assignee: Ricoh Company, Ltd. (Tokyo, JP) |
Immunoprophylactic polypeptides for schistosomiasis
OF THE INVENTION It has been discovered that epitopes which are common to two glycoproteins (38 kDa and 200 kDa) of schistosomula of S. mansoni are able to provide protection against infection by S. ... Read More
Inventors: Strand, Mette;, Assignee: The Johns Hopkins University (Baltimore, MD) |
Electrostatic image magnetic developing process
An object of the present invention is to provide a process for development producing developed images of high fidelity and stable image quality. Another object of the present invention is to provide a... Read More
Inventors: Mitsuhashi, Yasuo; Kiuchi, Masashi; Takasu, Yoshio; Fukumoto, Hiroshi; Hino, Takashi; Uchiyama, Masaki;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Toner and image forming method using magnetic material with specific tap density and linseed oil absorption
An object of the present invention is to provide a magnetic toner or developer capable of providing a large amount of triboelectric charge. Another object of the present invention is to provide a magn... Read More
Inventors: Kuribayashi, Tetsuya; Uchide, Hitoshi;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Image forming method and image forming apparatus
An object of the present invention is to provide an image forming method and an image forming apparatus adapted to perform development of the above-described type for a long period of time and capable... Read More
Inventors: Yusa, Hiroshi; Tomiyama, Kohichi; Kato, Masayoshi; Kukimoto, Tsutomu; Tsuchiya, Kiyoko;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Method for forming a thin protection film
It is an object of the present invention to provide a photosensitive a-SiC:H material which assures high light transmissivity, hardness and suitability for use as a photosensitive member and which is ... Read More
Inventors: Kodama, Jun; Araki, Shin;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Developing method for developer transfer under A.C. electrical bias and apparatus therefor
The present invention has been made to eliminate the above-noted problems peculiar to the various developing methods using one-component developer, and it is a primary object of the invention to provi... Read More
Inventors: Kanbe, Junichiro; Toyono, Tsutomu; Hosono, Nagao; Takahashi, Tohru;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Magnetic iron oxide containing silicon element and process for producing same
An object of the present invention is to provide a magnetic iron oxide containing silicon element which has a narrow particle size distribution and little agglomerating characteristic, and a process f... Read More
Inventors: Sakashita, Kiichiro; Iwahashi, Yasuo;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Image forming method and apparatus for the same
It is therefore an object of the present invention to provide an image forming method which variably controls the bias for development and thereby maintains the effective bias constant relative to the... Read More
Inventors: Sawayama, Noboru; Mitekura, Yoshihiro; Maruta, Takayuki; Aoki, Katsuhiro; Okabayashi, Koji;, Assignee: Ricoh Comapany, Ltd. (Tokyo, JP) |
Storage stable water-dilutable epoxy based coating for metal food contact surfaces
What is claimed is: 1. A water solubilizable resin that comprises an adduct of a bisphenol and a diglycidyl ether of a bisphenol having an epoxy equivalent weight between about 180 and about 2500, usi... Read More
Inventors: Davis, Kenneth G.; Due, George B.; Lund, Albert H.;, Assignee: Mobil Oil Corporation (New York, NY) |
Food product containing cushioning means
I claim: 1. A package containing a stack of uniformly-shaped individual units of food product and a food product cushioning means, said package comprising, in combination: a substantially rigid tubula... Read More
Inventors: Griffith, Edwin D.;, Assignee: Owens-Illinois, Inc. (Toledo, OH) |
Process for preparing derivatives of baccatine III and of 10-deacetyl baccatine III
We claim: 1. A process for preparing a derivative of baccatine III or of 10-deacetylbaccatine III, of general formula: ##STR13## in which R denotes hydrogen or acetyl, wherein an acid of general formu... Read More
Inventors: Colin, Michel; Guenard, Daniel; Gueritte-Voegelein, Francoise; Potier, Pierre;, Assignee: Rhone-Poulenc Sante (Antony, FR) |
Immobilization of enzymes with a cross-linking agent and a polymer containing l-amino ethylene moieties
OF THE INVENTION The biological material to be immobilized according to the invention is enzymatically active. It may comprise enzymatically active microbial cells in the form of a culture broth cont... Read More
Inventors: Pedersen, Sven; Jorgensen, Ole B.;, Assignee: Novo Nordisk A/S (Bagsvaerd, DK) |
Process for separating cephalomannine from taxol using ozone and water-soluble hydrazines or hydrazides
OF THE INVENTION In general the present invention relates to a high yield selective process for the separation of ozone oxidizable compounds from non-oxidizable compounds in unpurified, partially pur... Read More
Inventors: Murray, Christopher K.; Beckvermit, Jeffrey T.; Anziano, Dominick J.;, Assignee: Hauser Chemical Research, Inc. (Boulder, CO) |
Palladium catalyst systems for selective hydrogenation of dienes
OF THE INVENTION The catalysts of the present invention are colloidal palladium (0) formed from palladium (II) complexes derived from palladium salts such as palladium chloride and hydrated palladium... Read More
Inventors: Patterson, Robert T.;, Assignee: DSM Copolymer,Inc. (Baton Rouge, LA) |
Microbiological chiral reduction of carbonyl groups
OF THE INVENTION The microorganim Aspergillus niveus was discovered and isolated by the present inventor from soil obtained from an excavation site in Union, N.J., U.S.A. Separation of the microorgan... Read More
Inventors: Charney, William;, Assignee: Schering Corporation (Kenilworth, NJ) |
Molecular Biology 
