Max Schneiderman: Constant output electrosurgical unit. Ipco Hospital Supply Corporation, Friedman Goodman & Teitelbaum, June 6, 1978: US04092986 (330 worldwide citation)

An electrosurgical unit which provides a voltage output to a load. An oscator in the unit produces the output of a given frequency. A switching circuit coupled to the oscillator provides an unmodulated RF carrier from the oscillator for use in cutting procedures and a pulse modulated RF voltage from ...

Nam Sok Choi, Jorge Heller: Drug delivery devices manufactured from poly(orthoesters) and poly(orthocarbonates). Alza Corporation, Paul L Sabatine, Thomas E Ciotti, Edward L Mandell, June 6, 1978: US04093709 (263 worldwide citation)

The invention concerns orthoester and orthocarbonate polymers having a repeating mer comprising a hydrocarbon radical and a symmetrical dioxycarbon unit of the general formula: ##STR1## WHEREIN R.sub.1 is a multivalent hydrocarbon radical, R.sub.2 and R.sub.3 are hydrocarbon radicals with at least o ...

Ruel C Terry: Methods of fluidized production of coal in situ. In Situ Technology, June 6, 1978: US04093025 (246 worldwide citation)

A method of producing combustible gases, synthetic crude oils, coal chemicals and heat from coal in situ utilizes the combined teachings of in situ gasification, liquefaction and pyrolysis.

Richard D Ridley: Removal of sulfur dioxide from process gas using treated oil shale and water. Occidental Oil Shale, Christie Parker & Hale, June 6, 1978: US04093026 (226 worldwide citation)

Sulfur dioxide is removed from a process gas by passing the process gas through a fragmented permeable mass of particles containing treated oil shale and including alkaline earth oxides. Water in the fragmented mass combines with alkaline earth oxides in the fragmented mass and sulfur dioxide in the ...

Christopher Frederick Carter, Roy Trevor Blunt, James Cyril Alexander Lewis, Geoffrey Michael Garner: Working fluids for electrophoretic image display devices. Plessey Handel und Investments, Fleit & Jacobson, June 6, 1978: US04093534 (205 worldwide citation)

The invention provides a working fluid for an electrophoretic image display device including a dispersion of a species of finely divided particles of an opaque dielectric material suspended in a suspension medium, each of the said particles which are transportable within the suspension medium under ...

Keith G Miller: Dual path photographic camera for use in motor vehicles. Frederick E Bartholy, June 6, 1978: US04093364 (204 worldwide citation)

A photographic recording arrangement to be mounted in a motor vehicle, particularly for use by law enforcement personnel, is described. The arrangement includes a camera of specific construction which is mounted on the dashboard and is capable of automatically taking, on a reel of film, sequential f ...

Shuzo Aoki, Harumasa Yamasaki: Process for preparation of spontaneously-crosslinked alkali metal acrylate polymers. Kao Soap, Blanchard Flynn Thiel Boutell & Tanis, June 6, 1978: US04093776 (164 worldwide citation)

Spontaneously cross-linked alkali metal acrylate polymers having a high water-absorbing property and which are safe for contact with the human skin are prepared by a water-in-oil suspension polymerization process, using a sorbitan fatty acid ester having an HLB value of 3 to 6 as a dispersing agent.

Oscar H Schwartz, Daniel A Le Donne: Electrical connectors for coaxial cables. Automatic Connector, Peter L Berger, June 6, 1978: US04093335 (133 worldwide citation)

An electrical connector for solid dielectric-filled coaxial cables which comprises three main elements is disclosed. A central contact wedge assembly is adapted to fit into a body and is held there by means of a nut assembly screwed into the body. Gripping means are provided between the body and wed ...

Paul F Scott: High speed frequency response measurement. General Electric Company, Donald R Campbell, Joseph T Cohen, Marvin Snyder, June 6, 1978: US04093988 (123 worldwide citation)

A binary pseudo-random sequence generated by a shift register with feedback is used as a noise signal for testing an electrical or mechanical system, and the output is sampled and the power spectra computed by discrete Fast Fourier Transform techniques. The sequence bit interval and sampling interva ...

Yoshi Kishimoto: Polymeric compositions for manufacture of secondary electron multiplier tubes and method for manufacture thereof. Matsushita Electric Industrial, Burgess Ryan and Wayne, June 6, 1978: US04093562 (102 worldwide citation)

Disclosed are polymeric compositions for manufacture of secondary electron multiplier tubes. The polymeric compositions may be provided by combinations of (1) insulating polymers having a high secondary yield, (2) conductive particles such as carbon black, graphite or metal particles which may be gr ...