Zaffaroni Alejandro: Drug-delivery system. Alza Corporation, Mandell Edward L, Ciotti Thomas E, Sabatine Paul L, December 17, 1974: US3854480 (319 worldwide citation)

Drug-delivery system for releasing drug at a controlled rate for a prolonged period of time is formed from a solid inner matrix material having solid particles of drug dispersed therethrough. Surrounding the inner matrix is an outer polymeric membrane, insoluble in body fluids. Both the inner matrix ...

Hansen Paul Bernard, Pennings Leon Benjamin: Pattern bonded continuous filament web. Kimberly Clark Corporation, Wolfe Hubbard Leydig Voit & Osann, December 17, 1974: US3855046 (295 worldwide citation)

Continuous filament webs of thermoplastic polymers, such as polypropylene, are bonded to provide webs with desirable characteristics such as textile-like drape and softness, strength, abrasion resistant surfaces, and a high capacity for absorbing energy. One illustrated method of bonding the webs wh ...

Baerg William: Gas reactor for depositing thin films. Intel Corporation, Spensley Horn & Lubitz, December 17, 1974: US3854443 (131 worldwide citation)

A gas reactor for depositing thin films such as silicon dioxide, the lid of the reactor includes a plurality of concentric rings and a plurality of ports disposed between adjacent rings, a generally radial flow above the specimens is maintained in the reactor.

Gilliam Sr Howard E: Combination rotary and reciprocating unitary sealing mechanism. Chemprene, Abrams Alan M, Sloat Robert E, December 17, 1974: US3854737 (122 worldwide citation)

A sealing mechanism is disclosed for use in combination rotary and reciprocating applications. In particular, the sealing mechanism disclosed can be used on single and double acting installations as a sealing mechanism in cylinders, pumps, valves, and rods. The sealing mechanism generally comprises ...

Morgan Burton D: Laminated label or similar article. Morgan Adhesives Company, Oldham & Oldham Co, December 17, 1974: US3854229 (104 worldwide citation)

A laminated label and method of labeling an article is disclosed and the label comprises a layer of transparent plastic film having a layer of transparent pressure sensitive adhesive on one face thereof, and a layer of paper having a release coating on one surface thereof is applied to the adhesive ...

Lemelson Jerome H: Automatic production machinery. The Molins Organisation, Markva & Smith, December 17, 1974: US3854889 (101 worldwide citation)

An automatic production system is provided having a plurality of program controlled machine tools and a conveying system for conveying different units of work to selected of said tools for performing pre-programmed operations on said work. The conveyance for the work comprises a plurality of work ho ...

White Dwain M, Williams III Frank J: Method for making polyetherimides. General Electric Company, Teoli William A, Cohen Joseph T, Squillaro Jerome C, December 17, 1974: US3855178 (97 worldwide citation)

A method is provided for making polyetherimides having improved heat stability involving the initial production of a polyetherimide by the nitro-displacement of dinitro-bisimide with alkali diphenoxide and the employment with the resulting polyetherimide of an alkali metal phenoxide stabilizer.

Garnier Michael F, Tang Tung Men, White James W: Magnetic head slider assembly. International Business Machines Corporation, December 17, 1974: US3855625 (90 worldwide citation)

A slider support for a magnetic head assembly is formed with taper flat or step flat outer rails to provide a positive pressure region, and with a recessed portion delineated by an inverse step cross rail between the outer rails and disposed toward the leading edge of the slider element to provide a ...

Gurley Derrel G, Copeland Claude T: Method for forming a consolidated gravel pack in a subterranean formation. The Dow Chemical Company, Kanuch Bruce M, December 17, 1974: US3854533 (90 worldwide citation)

A method for providing a permeably consolidated gravel pack in a well borehole penetrating a subterranean formation is provided. A slurry composition containing a particulate material coated with an uncured epoxy resin and a curing agent slurried in a hydrocarbon oil is introduced into the formation ...

Franklin Mark E, Schmidt James R: Impression syringe. Costigan Esq Edward F, December 17, 1974: US3854209 (84 worldwide citation)

A device for use in the deposition of impressionable material into a desired site, the resulting impression being used in the fabrication process for the formation of one or more synthetic tooth structures. The device is quite adaptable to loading with impressionable material by means of suction and ...