1
Atul D Ayer, Felix Theeuwes: Process for manufacturing device with dispersion zone. Alza Corporation, Paul L Sabatine, Edward L Mandell, August 25, 1981: US04285987 (369 worldwide citation)

An osmotic system is disclosed for dispensing a beneficial agent. The system comprises (1) a first wall of a semipermeable material that surrounds a compartment containing a drug formulation, and has a passageway through the wall for releasing agent from the compartment, (2) a second wall positioned ...


2
Tsuneo Tsubakimoto, Tadao Shimomura, Yoshio Irie, Yoshihiko Masuda: Absorbent resin composition and process for producing same. Nippon Shokubai Kagaku Kogyo &, Sherman & Shalloway, August 25, 1981: US04286082 (283 worldwide citation)

An absorbent resin composition obtained by copolymerizing in an aqueous solution a mixture of 100 parts by weight of an acrylate salt monomer (B) composed of 0 to 50 mol % of acrylic acid and 50 to 100 mol % of an alkali metal acrylate and 0.001 to 5 part by weight of a crosslinkable monomer (C) hav ...


3
James H Neyhart, George A Brown, Lloyd A Relyea, Merlin E Scharfe, Heinz W Pinsler: Trapping layer overcoated inorganic photoresponsive device. Xerox Corporation, E O Palazzo, August 25, 1981: US04286033 (220 worldwide citation)

This invention is generally directed to inorganic overcoated photo-responsive devices comprised of a substrate, a layer of hole injecting material capable of injecting holes into a layer on its surface, this layer being comprised of trigonal selenium, a hole transport layer in operative contact with ...


4
Stanley R Hess: Stabilized directional neural electrode lead. Cordis Corporation, Kenway & Jenney, August 25, 1981: US04285347 (189 worldwide citation)

An epidural electrode lead having a resilient distal end forming a curved loop, lateral expandable loop elements, one of which is radiopaque, and an electrode contact on the lead surface opposite the loop. A withdrawable stylet maintains the distal end substantially straight during insertion of the ...


5
Anthony Maglica: Flashlight. Paul L Gardner, August 25, 1981: US04286311 (166 worldwide citation)

A rugged, heavy duty flashlight which is hermetically sealed to prevent intrusion of moisture and dirt. A manually operable electric switch is provided having a rotary contact to complete the battery circuit to the bulb. When the switch is actuated the rotary contact is moved axially to engage stati ...


6
Rosetta M McNair: Sanitary napkin. William F Frank, August 25, 1981: US04285343 (145 worldwide citation)

The present invention provides a central elongate highly-absorptive pad element having side panels extending laterally therefrom. The side panels may be formed as an integral part of the invention or may be formed separately and secured to the longitudinal edges of the central element. The lines of ...


7
Anne A Chiang: Electrophoretic display composition. Xerox Corporation, August 25, 1981: US04285801 (124 worldwide citation)

A suspension for electrophoretic display systems, such as the display systems shown in U.S. Pat. No. 3,668,106, is described. The particles in the suspension are coated with a highly fluorinated polymeric material, which acts as a dispersant. Preferably, the suspension also includes a charge control ...


8
Georg Spinner: HF Coaxial plug connector. Ostrolenk Faber Gerb & Soffen, August 25, 1981: US04285564 (113 worldwide citation)

A coupling device for coupling a jack connector and a plug connector is disclosed. One connector is externally threaded and the second is provided with an internally threaded cap nut. A cap ring is mounted on the cap nut so that rotation of the ring rotates the cap nut in the same direction. A first ...


9
Tsutomu Suzuki: Video format signal recording and reproducing device. Pioneer Electronic Corporation, Sughrue Rothwell Mion Zinn and Macpeak, August 25, 1981: US04286281 (112 worldwide citation)

A video format signal recording and reproducing device in which an identification signal is inserted into each frame of the video format signal for identifying whether the corresponding data is video or audio data. The identification signal may further be capable of indicating whether corresponding ...


10
Pepe Siy: Signature verification method and apparatus. Burroughs Corporation, Delbert P Warner, Charles E Quarton, Kevin R Peterson, August 25, 1981: US04286255 (106 worldwide citation)

A method and apparatus for determining whether a newly-signed signature and a previously recorded signature were made by the same person. The method and apparatus include the steps of and apparatus for scanning a document containing the newly-signed signature to provide an electrical signal represen ...



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