Yolles Seymour: Biodegradable polymeric article for dispensing drugs. June 3, 1975: US3887699 (257 worldwide citation)

An article for dispensing drugs is disclosed which is formed from a biodegradable polymeric material and a drug. The drug is intimately dispersed throughout the polymer and the combination is formed into a solid, shaped article which controllably dispenses the drug.

Duane John J, Lindner Charles B: Diaper insert. Union Carbide Corporation, Vicari C J, June 3, 1975: US3886941 (161 worldwide citation)

A disposable diaper insert for a disposable or non-disposable diaper comprised of, in combination, at least one absorbent pad disposed between a liquid impermeable topsheet and a liquid impermeable bottom sheet, each of said sheets being formed from a hydrophobic material such as a thermoplastic fil ...

Szabo Anthony W, Del Guercio Louis R M: Power operated fluid infusion device. Scala Anthony, Larson Taylor and Hinds, June 3, 1975: US3886938 (155 worldwide citation)

A portable, power operated fluid infusion device is disclosed for automatically, intraveneously administering a drug to a patient. The device comprises a housing which contains a mechanically operated timing mechanism, a rack in engagement with a pinion rotated by the timing mechanism, and spiral sp ...

Miller Geo L, Barthel Horst K F: Drilling mud-cement compositions for well cementing operations. Oil Base, Oil Base Germany, June 3, 1975: US3887009 (153 worldwide citation)

A low clay content aqueous drilling mud or a magnesium salt-based aqueous drilling mud may be transformed into cement for well cementing by addition of magnesium oxide, magnesium sulfate and dolomite or magnesium carbonate to produce a magnesium oxysulfate cement.

Dietz Richard E: Olefin polymerization catalyst. Phillips Petroleum Company, June 3, 1975: US3887494 (122 worldwide citation)

A method for preparing a composition of matter comprising silica and titanium, convertible to a catalyst suitable for olefin polymerization by the addition of chromium and the process performable therewith, the preparation involving adding an alkali metal silicate to an acid containing a titanium co ...

Gilano Michael N, Beaupre Richard E, Lipson Melvin A: Photopolymerizable compositions containing polymeric binding agents. Dynachem Corporation, Lewen Esq Bert J, June 3, 1975: US3887450 (102 worldwide citation)

In a photopolymerizable composition which comprises an addition polymer, an initiation system, and a polymerizable inhibitor, the improvement of using a preformed macromolecular binding agent which is a copolymer of a first monomer of a styrene-type material or a non-acidic vinyl compound and an uns ...

Quist Bernardus B, Zuiderwijk Jacobus J M: Dry light-weight cement composition. Shell Oil Company, June 3, 1975: US3887385 (101 worldwide citation)

A dry mix for a light-weight cement comprises powdered cement mixed with bitumen particles of which more than 90% have sizes of less than 700 microns and aluminum silicate particles of which more than 90% have sizes of less than 30 microns.

Stumpf Joseph G, Andera Joseph F: Cryosurgical apparatus. Frigitronics of Conn, Buckles and Bramblett, June 3, 1975: US3886945 (99 worldwide citation)

There is disclosed a cryosurgical apparatus of the type which operates from a source of compressed gas. It includes a handle portion with removable and interchangeable probes. A defrost valve in the exhaust conduit permits easy and quiet operation by the surgeon. It is constructed in such a manner t ...

Hammond Harry H: Coupling with push-pull release. The Hansen Manufacturing Company, June 3, 1975: US3887222 (98 worldwide citation)

An improved coupling assembly includes a plug on which a resiliently compressible lock ring is disposed. As the plug is inserted into a socket, a stop ring in a socket chamber deflects the lock ring radially inwardly from an expanded condition to a contracted condition to enable the lock ring to pas ...

Pitts Charles A: Fluid retainer setting tool. The Dow Chemical Company, Ayers Earl D, June 3, 1975: US3887006 (90 worldwide citation)

The invention is a cement retainer setting tool for use with cement slurry or similar liquid retainer devices in a well bore. The setting tool has a centrally disposed elongated mandrel which has one end adapted to be coupled to a string of tubing and a tubular stinger element extending downwardly f ...