Steinkamp Robert A, Grail Thomas J: Polymers with improved properties and process therefor. Exxon Research and Engineering Company, Roth David A, January 21, 1975: US3862265 (187 worldwide citation)

Modified polymers, praticularly polyolefins having improved flow and in some instances improved adhesion properties over that of a polymeric, e.g. polyolefin, base stock used as a starting material, are produced by a controlled reaction often involving degradation in an extruder, in which an initiat ...

Anderson Emmett R, Schatz Douglas S: Cool wall radiantly heated reactor. Applied Materials Technology, Flehr Hohbach Test Albritton & Herbert, January 21, 1975: US3862397 (160 worldwide citation)

A cool wall radiantly heated chemical vapor deposition reactor includes a plurality of banks of elongated heat lamps surrounding the radiant energy transmissive wall of the reactor for heating the susceptor in the reactor on which the wafer substrates are supported. Each bank of lamps includes a seg ...

Dill Hans G, Ernstoff Michael N, Finnila Ronald M, Hoffman William C, Leupp Alex M, Winner Richard N: Liquid crystal display system with integrated signal storage circuitry. Hughes Aircraft Company, MacAllister Jr W H, Link Jr Lawrence V, January 21, 1975: US3862360 (119 worldwide citation)

Liquid crystal display systems having display panels in which a matrix array of reflective electrodes, as well as the individual addressing circuitry (field effect transistor) and electrical storage circuitry (capacitor) for each cell of the display panel, are formed on semiconductor backplates such ...

Smith Johannsen Robert, Walker Jack McLean: Method of making heater cable. Raychem Corporation, Lyon & Lyon, January 21, 1975: US3861029 (111 worldwide citation)

Described herein are self-regulating conductive articles comprised of an extruded length of polymeric material containing not more than about 15 percent by weight conductive carbon black, the resistivity of the extrudate following prolonged exposure to temperatures in excess of the crystalline melti ...

Di Giulio David Neil: Dentifrices containing a cationic therapeutic agent and improved silica abrasive. The Procter & Gamble Company, Hofer Ronald L, Mohl Douglas C, Witte Richard C, January 21, 1975: US3862307 (106 worldwide citation)

Dentifrices contain water, a cationic therapeutic agent, and an amorphous silica abrasive which has been pretreated with hydrofluoric acid. Preferably, the cationic therapeutic agent is a metal cation such as indium ion. The pretreated abrasive has improved compatability with cationic agents so that ...

Antonevich John N, Goodfriend Roger: Apparatus for disintegration of urinary calculi. Blackstone Corporation, Buell Blenko and Ziesenheim, January 21, 1975: US3861391 (97 worldwide citation)

A method and apparatus are provided for disintegrating urinary calculi by subjecting the urinary calculi to ultrasonic forces transmitted transversely of a wave guide in a catheter.

Marsh Robert Claude: Portable clean-air generator. Bio Dynamics, Woodard Weikart Emhardt & Naughton, January 21, 1975: US3861894 (92 worldwide citation)

A hinged case is divided into an intake chamber and an exhaust chamber, said chambers being connected by a centrifugal blower. An intake opening is formed in the case communicating the atmosphere with the intake chamber through a filter disposed within said opening. An exhaust opening is formed with ...

Hand James D: Transition pipe fitting. Watson Cole Grindle & Watson, January 21, 1975: US3861719 (88 worldwide citation)

A pipe fitting for connecting concentric pipes together to a gas meter unit, includes a coupling nut with which the smaller of the pipes is sealingly engaged and a coupling sleeve securing the larger of the pipes to the nut, the larger pipe serving as a protective casing for the smaller one which se ...

Glover George M, Nimoy Melvin, Petterson DeWitt R, Volk Albert J: Intravenous catheter. Johnson & Johnson, January 21, 1975: US3861972 (88 worldwide citation)

A catheter-hub assembly is made by heat shrinking a single length of expanded plastic tubing into contact with a mandrel having a catheter forming portion and a hub forming portion, and simultaneously or subsequently reinforcing the section of tubing that overlies the hub forming portion of the mand ...

Carden Edward: Anaesthetists ventilation. Ross Ross & Flavin, January 21, 1975: US3861385 (86 worldwide citation)

An anaesthetist's ventilator includes a cylinder adapted for connection to a respiratory tube connected to an Ayres T-piece and a face mask or endotrachael tube with a gas supply being connected thereto, the cylinder having a vent connecting to atmosphere, a gas flow control valve reciprocable withi ...