1
Noel A Clark, Sven T Lagerwall: Chiral smectic C or H liquid crystal electro-optical device. Cushman Darby & Cushman, January 11, 1983: US04367924 (484 worldwide citation)

An electro-optical device including a chiral smectic C or H liquid crystal disposed between flat plates treated to enforce molecular orientation parallel to the plates. The plates are spaced by a distance sufficiently small to ensure unwinding of the helix typical in a bulk of the material to form t ...


2
Oscar Jimenez, Frank J Bianco: Apparatus for testing physical condition of a subject. Biotechnology, Lowe King Price & Becker, January 11, 1983: US04367752 (252 worldwide citation)

The physical condition of a subject is tested by a transducer mounted on the subject which derives a first signal indicative of heart activity. An electronic instrument housing carried by the subject includes terminals responsive to the first signal and (a) an inertial member for monitoring the quan ...


3
Carmelo Dali: Nasal cannula. Novametrix Medical Systems, Howard F Mandelbaum, January 11, 1983: US04367735 (203 worldwide citation)

An improved nasal cannula is made of a soft pliable material and has two hollow tubular prongs which are ribbed to prevent significant closure of the airways through the prongs upon bending of the prongs and a base adapted to receive a soft strip of foam-like material which can be attached to a skul ...


4
Bernard Weissman: Dental impression tray for forming a dental prosthesis in situ. Ipco Corporation, Goodman & Teitelbaum, January 11, 1983: US04368040 (165 worldwide citation)

A dental impression tray for forming a negative impression of a dental area to be restored. Application devices on the tray permit injection of dental restorative material into a mold cavity defined between the negative impression formed in the tray and the dental area after preparation thereof for ...


5
Takayuki Kobayashi, Ryo Tamamura: Process for preparing nickel layer. Asahi Glass Company, Oblon Fisher Spivak McClelland & Maier, January 11, 1983: US04368223 (151 worldwide citation)

A nickel layer is prepared by applying a nickel salt and a reducing agent for reducing said nickel salt, on a substrate and reducing said nickel salt by a chemical reaction. The chemical reduction is carried out in the presence of at least one compound selected from the group consisting of diethylen ...


6
Kenneth R Wilkes: Tear strip for gas sterilizable package and package. Saul Epstein, January 11, 1983: US04367816 (144 worldwide citation)

A fiber free, fast breathing tear strip for a gas sterilizable package which comprises a sandwich of a gas permeable membrane impervious to bacteria, and a perforated, or slit plastic sheet. The sandwich is peelably sealed around the access opening of a bag. One seam of the tear strip can be made no ...


7
Hans G Mutke: Isolation apparatus. Ostrolenk Faber Gerb & Soffen, January 11, 1983: US04367728 (137 worldwide citation)

The disclosure concerns an isolation apparatus useful for medical, biological, chemical, physical, or the like experiments and treatments. A flexible envelope in the form of an elongated sack is divided lengthwise into a plurality of sealed sections. The envelope is a transparent material and also i ...


8
Victor E Derechinsky: Clip-holder instrument for clipping blood vessels. Allegretti Newitt Witcoff & McAndrews, January 11, 1983: US04367746 (134 worldwide citation)

An instrument and method for clipping blood vessels are disclosed. The new surgical tool disclosed is particularly adequate to place clips of alpha configuration ending in "V" on brain blood vessels. The invention enables a surgeon to have a free field of vision of the area and the blood vessel to b ...


9
Finn Poulsen, Peter Samuelsen: Skin barrier. Coloplast, Lawrence Rosen, January 11, 1983: US04367732 (131 worldwide citation)

A skin barrier consisting of an elastic film (16), secured to the film a layer (18) of at least weakly elastic adhesive material, these two components together having low resistance to quick deformation and rapid recovery to substantially the original shape after deformation, the plastic properties ...


10
Arthur W Chester, William E Cormier Jr, William A Stover: Octane and total yield improvement in catalytic cracking. Mobil Oil Corporation, Charles A Huggett, Michael G Gilman, Dennis P Santini, January 11, 1983: US04368114 (127 worldwide citation)

Octane and total yield improvement in catalytic cracking processes can be attained by the addition to conventional cracking catalysts of very small amounts of additive catalyst comprising a class of zeolites characterized by a silica to alumina mole ratio greater than about 12 and a constraint index ...