Bennett N Epstein: Tough thermoplastic nylon compositions. E I Du Pont de Nemours and Company, November 13, 1979: US04174358 (265 worldwide citation)

Toughened multi-phase thermoplastic composition consisting essentially of one phase containing 60 to 99 percent by weight of a polyamide matrix resin of number average molecular weight of at least 5000, and 1 to 40 percent by weight of at least one other phase containing particles of at least one po ...

Robert D Giglia, John A Sedlak, David W Lipp: Electrochromic devices with polymeric electrolytes. American Cyanamid Company, Bruce F Jacobs, Gordon L Hart, November 13, 1979: US04174152 (169 worldwide citation)

Improved electrochromic devices result from the incorporation of novel polymeric electrolytes. The electrolytes are based upon copolymers prepared from vinyl monomers and acid-group-containing monomers.

Allen E Karz: Continuous electrocardiogram monitoring method and system for cardiac patients. Nilsson Robbins Dalgarn Berliner Carson & Wurst, November 13, 1979: US04173971 (167 worldwide citation)

A system which is capable of allowing an attending physician to continuously monitor the electrocardiogram (ECG) signals produced by a cardiac patient. The signals, generated by the patient, are first recorded in real time over a predetermined time period established by the physician. At the conclus ...

J D Mortensen: Cannula for arterial and venous bypass cannulation. University of Utah, Criddle Thorpe & Western, November 13, 1979: US04173981 (125 worldwide citation)

A cannula suitable for total bypass procedures in arterial and venous cannulation for extracorporeal perfusion of blood. The cannula has a tapered body of sufficient length for peripheral cannulation and openings through the cannula wall appropriately positioned to provide fluid transfer at various ...

Gilbert Glorieux: Optical lens for differential correction. Shlesinger Arkwright Garvey & Dinsmore, November 13, 1979: US04174156 (119 worldwide citation)

An optical lens for differential correction comprising two transparent walls defining an enclosed space having therein a quantity of a transparent liquid with a predetermined optical index; the walls are so formed as to provide at the optical center a capillary space into which the liquid is aspirat ...

Jerome Mandel: Central system for controlling remote devices over power lines. Philip M Hinderstein, November 13, 1979: US04174517 (117 worldwide citation)

A system for use in a facility, such as the home, equipped with a common power distribution system, for controlling, from a central location, the operation of a plurality of remote devices. The system includes a central control unit including a memory for storing user-entered command information, pr ...

Gianangelo Bargigia, Gerardo Caporiccio, Giuliano Carniselli: Aerosol propellant compositions. Montedison S p A, Morgan Finnegan Pine Foley & Lee, November 13, 1979: US04174295 (113 worldwide citation)

The present invention concerns new propellant compositions for aerosols. More particularly, the present invention relates to propellant compositions for aerosols, characterized in that said compositions consist of a mixture of a chlorofluorocarbon or fluorocarbon (A) containing hydrogen and selected ...

Edwin F Ullman, Moshe Schwarzberg: Fluorescence quenching with immunological pairs in immunoassays. Syva Company, Bertram I Rowland, November 13, 1979: US04174384 (112 worldwide citation)

Immunoassays are provided employing antibodies and a fluorescer-quencher (F-Q) chromophoric pair, wherein one or both of the chromophoric pair are bonded to antibodies. Depending on the particular ligand of interest, various reagent combinations can be employed, where the amount of quenching is dire ...

David P Misunas, Peter G Jessel, Robert G Jacobsen: Digital communications controller with firmware control. Massachusetts Institute of Technology, Arthur A Smith Jr, Gerald Altman, November 13, 1979: US04174536 (111 worldwide citation)

A microprocessor-based system serves as a message routing switch for communication between a number of different devices. Any device attached to the switch can communicate with any other attached device through a number of serial and parallel Input/Output ports. Communication between devices attache ...

Harold D Beck: Recirculation barrier for a heat transfer system. International Harvester Company, Frederick J Krubel, F David AuBuchon, November 13, 1979: US04173995 (103 worldwide citation)

A heat exchanger apparatus for a liquid-cooled internal combustion engine including a radiator axially spaced from the engine, an engine-driven, suction-type fan axially spaced intermediate the engine and the radiator for drawing cooling air axially through the radiator, fan shroud means shaped and ...