Positive working photoresist composition
OF THE INVENTION The present invention is now described in detail. In R.sub.1 to R.sub.4 of formula (I) described above, the alkyl group having 1-8 carbon atoms includes methyl, ethyl, propyl, isopro... Read More
Inventors: Kawabe, Yasumasa; Satoh, Kenichiro; Aoai, Toshiaki;, Assignee: Fuji Photo Film Co., Ltd. (Kanagawa, JP) |
2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters of aliphatic tetracarboxylic acids as stabilizers for synthetic polymers
Having regard to the foregoing disclosures, the following is claimed as the inventive and patentable embodiments thereof: 1. A 2,2,6,6-tetramethyl-4-piperidyl carboxylic acid ester of an aliphatic or ... Read More
Inventors: Minagawa, Motonobu; Kubota, Naohiro; Shibata, Toshihiro;, Assignee: Argus Chemical Corporation (Brooklyn, NY) |
Tetra-(2,2,6,6- tetramethyl-4-piperidinyl)-3-methyl-5-(1'2'-biscarboxylate)-ethyl-cyclohe xane or 3-cyclohexene-1,2-dicarboxylates and synthetic resin compositions containing the same
Having regard to the foregoing disclosure, the following is claimed as the inventive and patentable embodiments thereof: 1. Tetra-(2,2,6,6-tetramethyl-4-piperidinyl)-3 -methyl-5-(1',2'-biscarboxylate)... Read More
Inventors: Minagawa, Motonobu; Nakahara, Yutaka; Shibata, Toshihiro;, Assignee: Adeka Argus Chemical Co., Ltd. (Urawa, JP) |
Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me-4-piperidinyl)amides
OF THE INVENTION The invention relates to novel chemical compounds and pharmaceutical compositions and method of use thereof. More particularly, the subject chemical compounds are N-aryl-N-(3-OR.sup.... Read More
Inventors: Feldman, Paul L.; Brackeen, Marcus F.;, Assignee: Glaxo Inc. (Research Triangle Park, NC) |
Method and apparatus using two different black inks to reduce intercolor bleeding and provide high quality edge definition with thermal ink jet systems
It is an object of the present invention to provide an ink jet system and method of use that reduces intercolor bleeding of composite color images by using two different black inks having different dr... Read More
Inventors: Dudek, Lesley P.; Dewar, Vaughan L.; Ferringer, Michael C.; Torpey, Peter A.;, Assignee: Xerox Corporation (Stamford, CT) |
Phase shifter control circuit
The foregoing difficulties are overcome according to the teachings of the present invention which provides a phase shift circuit controller permitting substantially instantaneous phase shifts in respo... Read More
Inventors: Bock, Ditmar H.;, Assignee: Calspan Corporation (Buffalo, NY) |
Real time dynamic range compression for image enhancement
The present invention provides for a real-time image enhancement system which redistributes the populations of the output levels of the image sensor prior to their application to subsequent processing... Read More
Inventors: Zwirn, Robert; Farwell, William D.;, Assignee: Hughes Aircraft Company (El Segundo, CA) |
Producing pseudocolor magnetic resonance images
I claim: 1. A method for producing a magnetic resonance image for simultaneously visualizing independent first and second parameters in a field of data comprising the steps of: modulating the intensit... Read More
Inventors: Mayo, Jr., William T.;, Assignee: North American Philips Corporation (New York, NY) |
Rotary recording medium having a guide track and recording and reproducing apparatus therefor
Accordingly, it is a general object of the present invention to provide a novel and useful disc having a guide track and a recording and reproducing apparatus for playing the disc, in which the proble... Read More
Inventors: Yamaguchi, Hirohisa; Usami, Horoshi; Nagai, Tadao; Mashimo, Akira;, Assignee: TEAC Corporation (Tokyo, JP) |
Transfer sheets for thermal transfer recording
OF THE INVENTION Then, the invention is described below in detail. First, the dyes for use in this invention shown by formula (I) described above are explained. In formula (I) described above, the al... Read More
Inventors: Murata, Yukichi; Maeda, Shuichi;, Assignee: Mitsubishi Chemical Industries Ltd. (Tokyo, JP) |
Thermal image transfer recording system
OF THE PREFERRED EMBODIMENTS The image receiving medium for use in the present invention comprises a substrate and a dye receiving layer formed thereon, the dye receiving layer comprising as the prin... Read More
Inventors: Uemura, Hiroyuki; Suzuki, Akira; Shimada, Masaru; Mochizuki, Hidehiro; Morohoshi, Naoya;, Assignee: Ricoh Company, Ltd. (Tokyo, JP) |
Optical recording and reproducing apparatus having erasing function with controllable erasing beam
In view of the aforementioned points, the object of the present invention is to provide a data recording and reproducing apparatus which is free of a recording trace or a defect by the erasing light b... Read More
Inventors: Satoh, Isao; Ichinose, Makoto; Fukushima, Yoshihisa; Kuroki, Yuzuru; Takagi, Yuuji;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka, JP) |
Tide calender disk and method
The present invention is directed to an improved tide disk apparatus for use in determining the time of condition of tide at a selected time, at one or more selected locations and at a selected date d... Read More
Inventors: Corbin, III, James M.;, Assignee: |
Record player with turntable brake and balance wheels
Accordingly, objects of this invention are to overcome the problems and disadvantages of prior art record players and to obtain improved record player structures with novel advantages not heretofore a... Read More
Inventors: Liu, Ping-Hsiung;, Assignee: Han Ping Electron Co., Ltd. (Tainan, TW) |
Plant control composition and methods of use
OF THE INVENTION It now has been found that synergism in the defoliation of plants is exhibited by a combination of a thiozol-urea abscission agent and an adduct produced by reaction of sulfuric acid... Read More
Inventors: Atwater, Mark L.;, Assignee: Union Oil Company of California (Los Angeles, CA) |
Methine dye synthesis
I claim: 1. Process for the preparation of a disperse methine dye containing at least one dicyanomethylidene group comprising the steps of (A) preparing an anhydrous solution of an aldehyde formed by ... Read More
Inventors: Frishberg, Mark D.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Yellow dye mixture for thermal color proofing
What is claimed is: 1. A yellow dye-donor element for thermal dye transfer comprising a support having thereon a dye layer comprising a mixture of yellow dyes dispersed in a polymeric binder, at least... Read More
Inventors: Evans, Steven; Chapman, Derek D.;, Assignee: Eastman Kodak Company (Rochester, NY) |
Optical card having optical grooves for access and wobbled marks for tracking and a recording-reproducing apparatus therefor
In order to enable recording in an optical card apparatus, a laser beam flux needs to be focused as a minute spot on an information recording surface. For this purpose, it is necessary to provide a tr... Read More
Inventors: Nakamura, Shigeru; Tsunoda, Yoshito; Maeda, Takeshi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Packet switching testing method and apparatus
It is a primary object of the present invention to provide a packet switching testing method and a packet switching testing apparatus that are capable of attaining down-sizing of the apparatus and rea... Read More
Inventors: Tateishi, Hiroomi;, Assignee: Fujitsu Limited (Kanagawa, JP) |
Process for producing an organic photosensitive material preventing blushing
The assignment of the present invention therefore is to provide a process for producing an organic photosensitive material which effectively prevents blushing. According to the present invention, ther... Read More
Inventors: Katsukawa, Masato; Tanaka, Masashi;, Assignee: Mita Industrial Co., Ltd. (Osaka, JP) |
Phenothiazine leucodyes for electrochromic recording
We claim: 1. A substrate for electrochromic recording comprising bromide ions and characterized by also comprising a leucodye having the structure ##STR3## wherein R is lower alkyl, lower alkoxy, lowe... Read More
Inventors: Gendler, Paul L.; Twieg, Robert J.;, Assignee: International Business Machines Corporation (Armonk, NY) |
Electrochromic marking systems
INCLUSIVE OF THE PREFERRED EMBODIMENTS More specifically, this invention in its composition of matter aspect resides in the novel 5-Q-9-(N-R.sup.2 -N-R.sup.3 -amino)-12-(COR)-benzo[a]phenoxazines hav... Read More
Inventors: Hung, William M.;, Assignee: The Hilton-Davis Chemical Co. (Cincinnati, OH) |
Color thermal diffusion-transfer with leuco dye reducing agent
The present invention provides a photothermographic composite structure comprising (1) a dyeable image-receiving element comprising a polymeric image-receiving layer having a glass transition tempera... Read More
Inventors: Ishida, Takuzo;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Stabilized leuco phenazine dyes and their use in an imaging system
The thermographic systems of this invention comprise a leuco dye which is capable of being oxidized to give a change in color, a nitrate salt, wherein the cation of the nitrate salt does not react wi... Read More
Inventors: Miller, Alan G.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Photothermographic element comprising particles each containing silver halide, a silver compound and reducing agent
OF THE INVENTION A dispersion of particles containing color photothermographic chemistry therein is formed within a polymeric binder. The dispersion is not what is termed a dispersion in the photogra... Read More
Inventors: Geisler, Thomas C.;, Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN) |
Oxazine laser dyes
Oxazine salts, particularly, but not exclusively, the fluoborate, are provided as laser dyes and are advantageous in such application because the dyes are stable under laser operation conditions and d... Read More
Inventors: Hammond, Peter R.; Field, George F.;, Assignee: The United States of America, as represented by the United States (Washington, DC) |
Method for obtaining a printing plate according to the silver salt diffusion transfer process
According to the present invention it has been found that the problems of printing quality of a printing plate obtained according to the DTR-process using short dipping times can be overcome by adapt... Read More
Inventors: Deprez, Lode; Vaes, Jos; Gestels, Paul;, Assignee: Agfa-Gevaert, N.V. (Mortsel, BE) |
Thermal transfer printing
We claim: 1. A thermal transfer printing sheet comprising a substrate having a coating comprising a binder and a water-insoluble dye of the formula: ##STR7## wherein R represents the residue of an act... Read More
Inventors: Gregory, Peter; Bradbury, Roy; Meyrick, Barry H.;, Assignee: Imperial Chemical Industries PLC (London, GB) |
Thermal transfer printing
We claim: 1. A thermal transfer printing sheet comprising a substrate having a coating comprising a mixture of dyes of 20-50% of Formula I and of 80-50% of Formula II. ##STR5## wherein: R.sup.1 is C.s... Read More
Inventors: Bradbury, Roy; Gemmell, Peter A.; Hann, Richard A.;, Assignee: Imperial Chemical Industries PLC (London, GB) |
Thermal transfer sheet
What is claimed is: 1. A thermal transfer recording sheet comprising a substrate and an ink layer formed thereon containing one or more sublimable dyes and a binder, said binder being a high-molecular... Read More
Inventors: Oka, Hiroyuki; Akasaka, Shinichi; Ohara, Shuichi; Hattori, Shintaroo; Mori, Yasuki; Narahara, Toshikazu; Matsumoto, Hiroshi;, Assignee: Hitachi, Ltd. (Tokyo, JP); Nitto Electric Industrial Co., Ltd. (Osaka, JP) |
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