21
Joseph M Schor: Sustained release therapeutic compositions. Forest Laboratories, Jacobs & Jacobs, October 7, 1980: US04226849 (77 worldwide citation)

Shaped pharmaceutical tablets, lozenges, suppositories and other solid dosage unit forms which have a prolonged and regular release pattern of a therapeutically active medicament incorporated therein, wherein the shaped dosage unit comprises a carrier base material of hydroxypropylmethylcellulose or ...


22
Marshall D Hampton, Edwin L Spangler Jr: Waterproof padlock case. said Marshall D Hampton, Edwin L Spangler Jr, October 7, 1980: US04226100 (77 worldwide citation)

This invention relates to an improved waterproof case for padlocks and, more specifically, to a means for sealing the apertures in such a case at the points where the legs of the shackle enter the latter, such means comprising a self-centering flexible tube loosely fitting the shackle and with the e ...


23
Edward R Yuhas: Cosmetic stick composition. Dragoco, Kenyon & Kenyon, October 7, 1980: US04226889 (76 worldwide citation)

Solid, stick-type cosmetic compositions consist essentially of from about 1 to about 30 parts by weight of sodium stearate, 100 parts by weight of water and an "active" material intended to be applied to the skin. The composition also preferably contains a polyhydroxyl compound, such as a glycol or ...


24
Franklin C Bradshaw, Thomas P Connoy, Michael W Paque: Printing cartridge. Kroy, Dorsey Windhorst Hannaford Whitney & Halladay, October 7, 1980: US04226547 (76 worldwide citation)

A printing cartridge for supplying tape and ribbon in a printing apparatus in which the tape and ribbon is advanced by reciprocal movement of the cartridge carrier toward and away from the printing station. The printing cartridge includes a cartridge housing, a spool of image carrying tape and a spo ...


25
Lawrence R Snowman: Optical particle detector. General Electric Company, Richard V Lang, Carl W Baker, Philip L Schlamp, October 7, 1980: US04226533 (72 worldwide citation)

An optical particle detector is disclosed using a dark field optical system in which an air sample is illuminated and forward scattered light is collected in a zone centered about but excluding on-axis light. The collected light is then sensed to detect the presence of air borne light scattering par ...


26
John H Coleman: Method of forming semiconducting materials and barriers. Plasma Physics Corporation, October 7, 1980: US04226897 (71 worldwide citation)

In a gaseous glow-discharge process for coating a substrate with semiconductor material, a variable electric field in the region of the substrate and the pressure of the gaseous material are controlled to produce a uniform coating having useful semiconducting properties. Electrodes having concave an ...


27
Hewitt A Sompayrac: Stable dental composition containing hydrogen peroxide. Dennison Dennison Meserole & Pollack, October 7, 1980: US04226851 (70 worldwide citation)

A stable dental hygiene composition comprising a mixture of hydrogen peroxide and zinc chloride, the present mixture is stabilized by the addition of water-soluble vitamin E. The presence of water-soluble vitamin E in the mixture of hydrogen peroxide and zinc chloride acts to prevent the usual insta ...


28
Richard O Cole: Pipe clamp. American Machine & Hydraulics, Ralph B Pastoriza, October 7, 1980: US04226449 (70 worldwide citation)

A pipe clamp useful for connecting two pipes together comprises a hollow ring or hollow toroid structure so designed that squeezing of opposite sides of the toroid deforms the hollow interior in such a manner as to contract the central opening of the toroid. Where the toroid is positioned around a p ...


29
Umberto Giannini, Antonio Cassata, Paolo Longi, Romano Mazzocchi: Process for the stereoregular polymerization of alpha-olephins. Montedison S p A, October 7, 1980: US04226963 (70 worldwide citation)

There is disclosed a process for the stereoregular polymerization of alpha olefins or mixtures thereof with ethylene conducted in the presence of highly active and stereospecific new catalysts. The catalysts are obtained from the reaction of a particular Al-alkyl compound which is at least in part i ...


30
Richard C Chu: Thermal conduction module. International Business Machines Corporation, Harold H Sweeney Jr, October 7, 1980: US04226281 (69 worldwide citation)

A matrix of small diameter holes are located in the module housing adjacent each of the integrated circuit chips to be cooled. A pin or rod is located in each of the holes and extends therefrom into contact with the exposed surface of the chip. A spring means is located between the housing and the p ...