Patents Represented by Law Firm Bierman & Bierman
  • Photosensitive element for electrophotography
    Patent number: 4302521
    Abstract: The present invention relates to a photosensitive element for electrophotography comprising on an electrically conductive support a charge carrier generating phase and a charge carrier transport phase containing a P-type organic semiconductor, a poly-N-vinylcarbazole and/or its derivative, a Lewis Acid and a Bronsted acid.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: November 24, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshiaki Takei, Yoneko Kimura, Hiroyuki Nomori
  • Method for the manufacture of silver halide photographic material
    Patent number: 4301238
    Abstract: An improved method of producing a silver halide photographic material having a layer containing gelatin coated on a support is disclosed. The coated layer is dried so that its surface temperature during the falling rate drying period is more than 5.degree. C. over the melting point of the layer during drying and the jelly strength of the gelatin is at least 200 g according to the PAGI method.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: November 17, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Sadayuki Miyazawa, Takashi Kadowaki, Isao Yamamoto
  • Process for the manufacture of a tobacco rib cut having an improved filling capacity
    Patent number: 4300579
    Abstract: A method for the treatment of tobacco stems which comprises providing the tobacco stems in the uncut condition with a moisture content ranging from 15 to 70% relative to the dry weight of the tobacco stems, performing at least one first cut of said tobacco stems in a direction parallel to the longitudinal axis thereof, conditioning the resultingly cut tobacco stems, and performing more than one second cut of said tobacco stems in a direction parallel to said longitudinal axis, wherein the respective longitudinal planes containing said first and said second cuts reside in substantially perpendicular relation to each other. The resulting tobacco stem sections exhibit improved uniformity of length and thickness, and minimal fiber destruction, and have improved expansion capacity.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: November 17, 1981
    Assignee: B.A.T. Cigaretten-Fabriken GmbH
    Inventor: Jorn Ulrich
  • Apparatus for receiving recording sheets in upset state for copying machine
    Patent number: 4300757
    Abstract: An apparatus for collecting copy sheets in facially reversed or overturned relation with respect to their discharge from a copying machine includes a guide member disposed proximate the discharge port of the machine. The guide member comprises a substantially planar guide portion inclined at a predetermined angle relative to the direction of copy sheet discharge from the machine, and a deflecting portion unitarily extending from the guide portion at a predetermined angle with respect thereto. The apparatus further includes a receiving tray spaced below the discharge port and toward which discharged copy sheets are deflected by contact with the guide and deflecting portions of the guide member for collection in overturned or face reversed orientation.
    Type: Grant
    Filed: October 26, 1979
    Date of Patent: November 17, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Junichi Koiso, Hiroko Ito
  • Method for forming a cyan dye image
    Patent number: 4299914
    Abstract: A method for forming a cyan dye image by development of an exposed silver halide photographic material with a developer containing a cyan coupler of the following formula: ##STR1## in which R represents hydrogen atom or an alkyl group having a carbon number of one to twenty; R.sub.1 represents an alkylsulfonamide or alkylsulfamoyl group; R.sub.2 represents an alkyl, aryl group or a 5 or 6-membered heterocyclic group containing a nitrogen, oxygen or sulfur atom; R.sub.3 represents a hydrogen or halogen atom; X represents an alkylene, metaphenylene or orthophenylene group; Z represents a hydrogen atom or a split-off radical; and n has an integral value of one or two.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: November 10, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Wataru Fujimatsu, Yasushi Usagawa, Osamu Sasaki, Katsumi Matsuura
  • Method for forming a negative image
    Patent number: 4299908
    Abstract: A method for forming a negative image comprising imagewise exposing a photographic material to provide exposed areas and unexposed areas, said material comprising, on a support, (1) an emulsion layer containing a light-sensitive silver halide, (2) unsensitized silver halide metallic salt grains which are more soluble in a developer than the light sensitive silver halide, and (3) nuclei for physical development, processing said material in the presence of a reducing agent and a solvent for said grains with said developer containing a substance which renders said grains less soluble by adsorbing thereto, said developer rendering said grains in said exposed areas and not in said unexposed areas soluble in said solvent, whereby metal ions are released and deposited on said nuclei.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: November 10, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Noboru Ito, Eiichi Sakamoto, Mikio Kawasaki, Takashi Uchida
  • Electrically conductive, visco-elastic gel and its use in electrode
    Patent number: 4299231
    Abstract: A visco-elastic gel comprising a high molecular weight polysaccharide, at least one polyol and, optionally, at least one non-volatile acid soluble in the polyol and at least one non-volatile base soluble in the polyol. The polyol has a water content of 5 to 20 percent by weight and the various components set forth are physiologically acceptable. The gel is particularly suitable as a means for releasably securing an electrode to the skin as, for example, when taking an EEG or EKG. Methods of making a suitable electrode and using it are also disclosed.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: November 10, 1981
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Werner Karmann, Gerd Weidehaas, Bernd Howe, Frank Piel
  • Photographic material
    Patent number: 4297441
    Abstract: This invention relates to photographic materials containing an ion pair compound which has a quaternary nitrogen atom as a cation and a boron compound as an anion.
    Type: Grant
    Filed: June 26, 1980
    Date of Patent: October 27, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yutaka Kaneko, Satoshi Kawakatsu, Shigeto Hirabayashi, Hidetaka Ninomiya
  • Electrophotographic copying apparatus
    Patent number: 4297023
    Abstract: An electrophotographic copying apparatus having a copy board operatively movable along a path is provided with apparatus for releasably coupling the copy board to driving elements therefor including an endless power transmitting chain driven during operation of the copying apparatus, an intermediator having a closed vertical slot for nonreleasably receiving slidably within the slot engaging structure on the chain for carrying the intermediator during driven movement of the chain, and coupling structure releasably coupling the intermediator and the copy board for normally effecting movement of the board along its path by driven movement of the power transmitting chain.
    Type: Grant
    Filed: July 26, 1979
    Date of Patent: October 27, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Mitsuru Nagoshi
  • Cleaning apparatus for copy machines
    Patent number: 4297026
    Abstract: The present invention concerns a thin plate disposed in contact with the surface of a photosensitive drum of a copying machine for guiding toner scraped from the drum surface into a recovery area of the machine; more particularly, it provides for automatic disengagement of the thin plate from its normal contact with the drum surface whenever the drum is not fully engaged within the machine, as during removal and subsequent return for jam clearing or maintenance operations, so as to prevent inadvertent damage to the drum or to the thin plate in the course thereof.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: October 27, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Hiroyuki Honda, Hiroaki Ura
  • Automatic film feeding apparatus for photographic camera
    Patent number: 4297019
    Abstract: An automatic film feeding apparatus for a camera includes a first switch operable in response to the opened or closed position of the camera rear cover, a second switch operable in response to the position of a film counter, a third switch operable in accordance with the position of a film strip in a camera, and an electronic control circuit for operating a film winding motor drive mechanism in response to predetermined states of the first, second, and third switches.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: October 27, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Michio Yagi, Kunio Nakajima, Yasutsugu Nakagawa, Sizuo Ishii, Kazuhisa Aratame
  • Alkyl, alkenyl, and aryl substituted triazene compounds, their salts and production thereof
    Patent number: 4297096
    Abstract: A new triazene compound of the formula:R--CH.dbd.N--N.dbd.N--OHwherein R is alkyl, alkenyl or aryl and its pharmaceutically acceptable salts thereof. The production and use of such compounds are also disclosed. The compounds are useful as smooth muscle relaxants and hypotensives.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: October 27, 1981
    Assignee: Fujisawa Pharmaceutical Co. Ltd.
    Inventors: Keizo Yoshida, Hirokazu Tanaka, Masanori Okamoto, Eiko Iguchi, Masanobu Kohsaka, Hatsuo Aoki, Hiroshi Imanaka
  • Processing method of silver halide color photographic material
    Patent number: 4297437
    Abstract: A method for processing an exposed color photographic material containing a color developing agent or precursor by developing with a color developer which is replenished.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: October 27, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yutaka Kaneko, Shigeto Hirabayashi, Satoshi Kawakatsu, Hidetaka Ninomiya
  • Device for adjusting image density in composite information recording apparatus
    Patent number: 4296423
    Abstract: An apparatus for composite recording in accordance with copying and recording operations which includes a medium for receiving an electrostatic latent image, a developing electrode for development of the latent image, a bias voltage supply for application between the medium and the developing electrode, and a signal reproducing device for use in the recording operation, is further provided with a device for adjusting image density in the recording operation in accordance with selective adjustment of image density in the copying operation.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: October 20, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Hiroya Nakamura
  • Dental and mouth care preparations
    Patent number: 4296095
    Abstract: A composition is disclosed which is useful in preventing dental plaque and tartar from forming on the teeth. The composition includes compounds which are esters or their mono or double salts derived from lysine in combination with straight chain or branched, saturated or unsaturated, monovalent aliphatic alcohols having 4 to 20 carbon atoms.
    Type: Grant
    Filed: September 20, 1978
    Date of Patent: October 20, 1981
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Udo Hoppe, Gerhard Sauermann, Julius Curts, Per-Olof Glantz, Bo Krasse, Kare Larsson, Borje Noren, Goran Odham, Jan Olsson
  • Tetrahydroisoquinoline compounds and a pharmaceutical composition thereof
    Patent number: 4294832
    Abstract: A tetrahydroisoquinoline compound of the formula: ##STR1## wherein R.sup.1 is alkyl of one to six carbon atoms, cycloalkyl of three to six carbon atoms, allyl or propargyl, R.sup.2 is hydrogen or alkyl of one to six carbon atoms, and R.sup.3 is hydrogen, alkyl of one to six carbon atoms or benzyl. Methods for preparing the compound (I) are disclosed. The compound (I) and a pharmaceutically acceptable salt thereof are useful as a diagnostic or therapeutic agent for angiotensin-related hypertension.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: October 13, 1981
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Naoto Yoneda, Jyoji Kato, Keizo Kinashi
  • Developing device for an electrophotographic copying machine
    Patent number: 4292922
    Abstract: A magnetic brush type developing device for a single component developer having an axially elongated sleeve and a plurality of magnets disposed in the sleeve for relative rotation therebetween includes a regulating plate extending axially along and substantially adjacent the sleeve surface for regulating the height of developer adhering thereto, and a pair of partition plates arranged substantially perpendicular to the sleeve axis at axially opposite ends thereof and predeterminately adjacent circumferentially-disposed surface portions of the sleeve for preventing an axial flow of developer along the sleeve outwardly beyond the partition plates.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: October 6, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshio Yamazaki, Nin-ichi Kamogawa, Yasuyuki Iwai
  • Composite recording apparatus for recording information from different information sources
    Patent number: 4291341
    Abstract: In a recording apparatus for recording information on copy sheets from multiple sources including an optical system for projecting an image of an original in accordance with an optical copying operation, a reproducing device for operation in accordance with an electric signal based reproduction operation, and a receiving tray for receiving copy sheets discharged from the recording apparatus, a sorting tray for receiving discharged copy sheets bearing information resulting from a reproduction operation and disposed for relative movement with respect to the receiving tray so that discharged copy sheets of optical copying operations are directed to the receiving tray and discharged sheets of reproduction operations are directed to the sorting tray.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: September 22, 1981
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Tatsuo Yajima
  • Fatty emulsion and process for the preparation thereof
    Patent number: 4290910
    Abstract: A stable, oil-in-water type, fine particle, fatty emulsion which is regulated with a pH value regulator consisting of an organic amine and a buffer solution to a pH value of 6.0 to 8.0, said fatty emulsion having a fatty particle size of not larger than 2.mu.. The fatty emulsion can stably be kept for a long period of time without lowering of the pH value and aggregation of the fatty particles.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: September 22, 1981
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Kiyoshi Harada, Yoshiyuki Koida, Hiroshi Miura
  • Oxime carbonates
    Patent number: RE30752
    Abstract: Novel carbonic acid esters are disclosed which are useful in a process for introducing esterified carboxy-type protective groups on amino and/or imino groups in amino and/or imino group-containing compounds for the temporary protection of said amino and/or imino groups. Additionally, processes for preparing said esters are also disclosed. .Iadd.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 29, 1981
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masumi Itoh, Takashi Kamiya, Daijiro Hagiwara