1
Clarence D Chang, Anthony J Silvestri: Process for the manufacture of gasoline. Mobil Oil Corporation, Charles A Huggett, Michael G Gilman, Raymond W Barclay, February 6, 1979: US04138442 (243 worldwide citation)

Synthesis gas comprising a mixture of carbon monoxide and hydrogen is derived from fossil fuels and catalytically converted in a first reaction zone to a mixture of methanol and dimethyl ether which in turn is converted in a separate reaction zone in contact with a crystalline aluminosilicate zeolit ...


2
Yuzi Okuzumi, A Darline Mellon, David Wasserman: Addition copolymers of lactide and glycolide and method of preparation. Ethicon, Wayne R Eberhardt, February 6, 1979: US04137921 (169 worldwide citation)

Relatively high molecular weight, fiber-forming, crystalline copolymers of lactide and glycolide are prepared in a two-stage polymerization process. In the first stage there is prepared a random copolymer of a major proportion of an optically active lactide with a minor proportion of glycolide or d, ...


3
Herve Girault, Daniel Colas: Airborne arrangement for displaying a moving map. Thomson-CSF, Karl F Ross, February 6, 1979: US04138726 (137 worldwide citation)

An airborne arrangement for displaying a moving map and aerial-navigation data such as symbols and characters on an electronic display screen is disclosed. It comprises a video map generator for converting the map to be displayed, carried on a film, into a video signal of the television type, a symb ...


4
Maria Corazon S Gaffar: Composition to control mouth odor. Colgate Palmolive Company, Robert L Stone, Murray M Grill, Herbert S Sylvester, February 6, 1979: US04138477 (135 worldwide citation)

A novel composition to prevent and control mouth odor, which is also effective in preventing calculus, plaque, caries and periodontal disease containing as the essential agent, a zinc-polymer combination formed by the reaction or interaction of a zinc compound with an anionic polymer containing carb ...


5
Kazuo Niwa: Apparatus for the treatment of semiconductors. Tokyo Shibaura Electric, Finnegan Henderson Farabow & Garrett, February 6, 1979: US04138306 (123 worldwide citation)

Apparatus for the treatment of semiconductors comprises a reaction chamber for effecting the vapor phase reaction of semiconductor substrates, means for introducing a vapor phase reaction gas into the reaction chamber, a plasma generating section, means for introducing into the plasma generating sec ...


6
George P Laflin, Clarence J Durborow: Packer with chemically activated sealing member and method of use thereof. The Dow Chemical Company, G H Korfhage, February 6, 1979: US04137970 (101 worldwide citation)

A tool, e.g., a well packer, for restricting the flow of fluid through an annulus defined by the interior walls of a fluid conduit, e.g., well casing, and the exterior of a tubular member, e.g., the packer mandrel, is disclosed. The novelty of the present invention lies in the deformable packer elem ...


7
Nam S Choi, Jorge Heller: Erodible agent releasing device comprising poly(orthoesters) and poly(orthocarbonates). ALZA Corporation, Paul L Sabatine, Thomas E Ciotti, Edward L Mandell, February 6, 1979: US04138344 (100 worldwide citation)

The invention concerns orthoester and orthocarbonate polymers having a repeating mer comprising a hydrocarbon radical and a symmetrical dioxycarbon unit of the general formula: ##STR1## WHEREIN R.sub.1 is a multivalent hydrocarbon radical, R.sub.2 and R.sub.3 are hydrocarbon radicals with at least o ...


8
Alan Rembaum, Shiao Ping S Yen, William J Dreyer: Preparation of small bio-compatible microspheres. California Institute of Technology, Marvin E Jacobs, February 6, 1979: US04138383 (100 worldwide citation)

Small, round, bio-compatible microspheres capable of covalently bonding proteins and having a uniform diameter below about 3500 A are prepared by substantially instantaneously initiating polymerization of an aqueous emulsion containing no more than 35% total monomer including an acrylic monomer subs ...


9
David C Chang, Michael Fryd, Achim R Krueger: Polymeric thickeners, processes for their preparation and uses thereof. E I Du Pont de Nemours and Company, February 6, 1979: US04138381 (95 worldwide citation)

Polymeric thickeners are provided in preferred compositions which give both good flow and leveling properties as well as sag resistance to coating compositions such as aqueous paints. The thickeners as prepared comprise a polymer dissolved in a solvent at a concentration up to 50% by weight of the c ...


10
Toshihiro Nakao: Detent device for locking the lid of a cassette receiving compartment of a tape recorder. Olympus Optical Company, Toren McGeady and Stanger, February 6, 1979: US04138151 (93 worldwide citation)

A device for locking the lid of a cassette tape receiving compartment of a cassette tape recorder including a lock member projecting from a portion of the lid and a generally U-shaped lock spring provided at one end of one leg thereof with a first projection engaging the lock member of the lid durin ...