Process for the conversion of 3-methyl-3-hydroxycepham compounds
OF THE INVENTION The process of this invention is carried out by heating a 7-imido-3.alpha.-methyl-3.beta.-hydroxycepham-4-carboxylic acid ester in the presence of a halogen reagent selected from the... Read More
Inventors: Kukolja, Stjepan P.; Lammert, Steven R.;, Assignee: Eli Lilly and Company (Indianapolis, IN) |
3-Alkylsilyl-2-oxazolidonone compounds and synthesis thereof
OF THE INVENTION EXAMPLE I. 3-trimethylsilyl-2-oxazolidinone (TMSO) Triethylamine (60 ml; 0.42 mol) is added to a solution of 2-oxazolidinone (30.5 g; 0.35 mol) in methyl ethyl ketone (500 ml). The s... Read More
Inventors: Palomo Coll, Antonio Luis;, Assignee: |
6,8-Disubstituted purine derivatives of 9-.beta.-D-ribofuranosyl 3',5'-cyclic phosphate
We claim: 1. A compound of the structure: ##STR10## wherein Z is hydrogen or --NH.sub.2 ; R' is hydrogen or C.sub.1 -C.sub.18 acyl; X is NR.sub.1 R.sub.2, Cl, Br, or SR.sub.3 ; Y is SR.sub.4 ; R.sub.1... Read More
Inventors: Robins, Roland K.; Shuman, Dennis A.; Boswell, Kay H.;, Assignee: ICN Pharmaceuticals, Inc. (Irvine, CA) |
Process for preparation of beta-lactam derivatives
We claim: 1. A process for preparing a .beta.-lactam derivative represented by the formula ##STR5## the process consisting essentially of reacting a .beta.-lactam derivative represented by the followi... Read More
Inventors: Taniguchi, Masatoshi; Sasaoka, Michio; Matsumura, Kiyotoshi; Kawahara, Ichiro; Kaze, Kenji; Suzuki, Daisuke; Shimabayashi, Akihiro;, Assignee: Otsuka Kagaku Kabushiki Kaisha (Osaka, JP); Taiho Pharmaceutical Co., Ltd. (Tokyo, JP) |
Ring-opening process for preparation of 2-chlorosulfinyl azetidinones
OF THE INVENTION According to the process of this invention, 6-acylamido-2,2-dimethyl-penam-3-carboxylic acid ester sulfoxide (I) is reacted with an N-chlorohalogenating agent in the presence of a st... Read More
Inventors: Khanna, Jag M.; Kumar, Naresh; Bala, Kiran; Kumar, Yatendra;, Assignee: Ranbaxy Laboratories Limited (New Delhi, IN) |
Catalyst for the production of hydrocarbons and process for their production
EXAMPLES A. Production of the Catalyst Example 1 5 grams of sodium aluminate and 25 grams of NaOH were dissolved in 50 ml of H.sub.2 O and added to a suspension of 200 grams of precipitated silica an... Read More
Inventors: Baacke, Michael; Deller, Klaus; Kleinschmit, Peter; Koberstein, Edgar;, Assignee: |
Process for upgrading light apparatus
OF THE INVENTION The present invention deals with the conversion of a hydrocarbon gas rich in paraffinic hydrocarbons ranging from C.sub.3 to C.sub.5 to aromatics. A particularly suitable feedstock f... Read More
Inventors: Shum, Victor K.;, Assignee: Amoco Corporation (Chicago, IL) |
Modified crystalline aluminosilicate and method of preparing the same
I claim: 1. A crystalline aluminosilicate having in its anhydrous state a formula expressed in terms of mole ratios as follows: xQ: 0.01-0.1 M.sub.2/n O:0-0.8 Z.sub.2 O.sub.3 :SiO.sub.2 :0.0001-0.5 Me... Read More
Inventors: Blom, Niels J.;, Assignee: Haldor Topsoe A/S (DK) |
Crystalline zeolite and method of preparing same
The present invention relates to a novel family of synthetic ferrierite-type crystalline aluminosilicates, hereinafter designated "zeolite ZSM-21" or simply "ZSM-21", to a method for preparation there... Read More
Inventors: Plank, Charles J.; Rosinski, Edward J.; Rubin, Mae K.;, Assignee: Mobil Oil Corporation (New York, NY) |
Crystalline zeolite product constituting ZSM-5/ZSM-11 intermediates
The present invention relates to a unique crystalline porous tectosilicate possessing a structure intermediate that of ZSM-5 and ZSM-11, hereinafter referred to as a ZSM-5/ZSM-11 intermediate having, ... Read More
Inventors: Kokotailo, George T.;, Assignee: Mobil Oil Corporation (New York, NY) |
Highly siliceous porous crystalline material ZSM-22 and its use in catalytic dewaxing of petroleum stocks
WHAT IS CLAIMED IS: 1. A process for catalytic dewaxing of petroleum stocks comprising contacting the petroleum stocks, in the presence or absence of added hydrogen, with a ZSM-22 zeolite catalyst und... Read More
Inventors: Dwyer, Francis G.;, Assignee: Mobil Oil Corporation (New York, NY) |
Zeolite catalysts
I claim: 1. A pentasil zeolite-asbestos composite catalyst comprising a magnesium, and iron leached asbestos micro-matrix having a crystallized pentasil zeolite within its micro-matrix, said pentasil ... Read More
Inventors: Le Van Mao, Raymond;, Assignee: The Asbestos Institute (Montreal, CA) |
Abatement of NO.sub.x in exhaust gases
AND SPECIFIC EMBODIMENTS The term "industrial exhaust gas" as used herein means any waste gas which is formed in an industrial process or operation and which is normally disposed of by discharge to t... Read More
Inventors: Krishnamurthy, Sowmithri; McWilliams, John P.; Pappal, David A.; Sigal, Catherine T.; Kiliany, Jr., Thomas R.;, Assignee: Mobil Oil Corporation (New York, NY) |
Preformed matrices containing zeolites
OF THE INVENTION The process of the invention comprises treating a clay material to increase the content thereof in silicon (oxides) available for crystallization in zeolite synthesis and then subjec... Read More
Inventors: McWilliams, John P.;, Assignee: Mobil Oil Corporation (Fairfax, VA) |
Method for preparing a pillared layered oxide material
What is claimed is: 1. A method for preparing pillared layered material, desginated MCM-36, said method comprising the steps of: (i) preparing a reaction mixture capable of forming a layered material ... Read More
Inventors: Kresge, Charles T.; Roth, Wieslaw J.;, Assignee: Mobil Oil Corp. (Fairfax, VA) |
Alkali-free preparation of large pentasil crystals as coated catalysts and fully crystalline catalysts
We claim: 1. A process for the alkali-free preparation of large pentasil crystals as coated catalysts and fully crystalline catalysts, in which the individual pentasil crystals are larger than 5 .mu.m... Read More
Inventors: Danner, Alfred; Mueller, Ulaich; Unger, Klaus; Hoelderich, Wolfgang;, Assignee: BASF Aktiengesellschaft (Ludwigshafen, DE) |
Exhaust gas purification catalyst
It is an object of the present invention to provide an exhaust-gas purifying catalyst that, in addition to having improved nitrogen oxide (NO.sub.x) reducing properties for exhaust gas at low temperat... Read More
Inventors: Takami, Akihide; Watanabe, Yasuto; Iwakini, Hideharu; Takemoto, Takashi;, Assignee: Mazda Motor Corporation (Hiroshima, JP) |
Chemical probes for left-handed DNA and chiral metal complexes as Z-specific anti-tumor agents
OF THE INVENTION As mentioned above, this invention concerns a coordination complex or salt thereof having the formula (R)3---Co(III), wherein R comprises 1,10-phenanthroline or a substituted derivat... Read More
Inventors: Barton, Jacqueline K.;, Assignee: The Trustees of Columbia University in the City of New York (New York, NY) |
Stable aqueous NADH reagent and kit
OF THE INVENTION The present aqueous NADH solution is selected for long term stability, especially at storage temperatures such as 0-5 deg C. The solution contains water, buffers and NADH and, prefer... Read More
Inventors: San George, Richard C.; Adiletto, Carol A.;, Assignee: Instrumentation Laboratory, S.p.A. (Milan, IT) |
Amorphous silicon photoreceptor with nitrogen and boron
It is, therefore, the object of the present invention to provide a new photoreceptor of electrophotography which uses, as the light-sensitive substance, amorphous silicon which will hereinafter to be ... Read More
Inventors: Yasui, Masaru; Kato, Kazuhisa;, Assignee: Stanley Electric Co., Ltd. (Tokyo, JP) |
Method for coating metal part with synthetic resin
What is claimed is: 1. A method of applying a synthetic resin layer to an outer surface of a metal part, comprising the steps of: positioning said metal part in a stationary position within a powdered... Read More
Inventors: Tamaki, Shigenori; Machizuki, Hiroyuki; Kobayashi, Nobuo; Iwase, Takahiro; Masuda, Naofumi;, Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota, JP) |
Process for treatment of separator for sodium hydrosulfite membrane cell
It is an object of the present invention to provide an improved separator for use in an electrochemical cell. It is another object of the present invention to provide a separator which provides improv... Read More
Inventors: Cawlfield, David W.;, Assignee: Olin Corporation (Cheshire, CT) |
Method of making a Group II-VI compound semiconductor device by solution growth
It is, therefore, the object of the present invention to solve the above-stated drawbacks and problems of II-VI compound semiconductors encountered in the prior techniques and to provide a semiconduct... Read More
Inventors: Nishizawa, Jun-ichi;, Assignee: Zaidan Hojin Handotai Kenkyu Shinkokai (Sendai, JP) |
Method of metal filled trench buried contacts
It is an object of the present invention to provide a trench capacitor within an integrated circuit. It is a further object of this invention that the trench capacitor be filled with an elemental meta... Read More
Inventors: Sparks, Douglas R.; Christenson, John C.; Himelick, James M.;, Assignee: Delco Electronics Corporation (Kokomo, IN) |
Internal photolysis reactor
The apparatus of the invention includes a two section reactor chamber used for the internal production of high energy ultraviolet light. The first section of the reactor chamber has a sample holder fo... Read More
Inventors: Walsh, Peter J.; Bottka, Nicholas;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Method and apparatus for vapor phase deposition
It is an object of the present invention to provide a horizontal type vapor phase deposition system which can produce a large number of epitaxial films with excellent uniformity in both film thickness... Read More
Inventors: Furumura, Yuji; Nishizawa, Takeshi;, Assignee: Fujitsu Limited (Kawasaki, JP) |
Manufacturing method for cascaded junction field effect transistor
An object of this invention is to provide a method for manufacturing cascaded junction type field effect transistors which can be formed to attain a desired feedback capacitance and forward admittance... Read More
Inventors: Okano, Jun-ichi; Matsumoto, Kiyohito;, Assignee: Kabushiki Kaisha Toshiba (Kawasaki, JP) |
Preparation of silicon metal through polymer degradation
That which is claimed is: 1. A method of preparing silicon consisting essentially of pyrolyzing a polychlorosilane, having a molecular weight greater than the molecular weight of Si.sub.2 Cl.sub.6, in... Read More
Inventors: Gaul, John H.; Weyenberg, Donald R.;, Assignee: Dow Corning Corporation (Midland, MI) |
Method of acidulating a comminuted meat product
OF THE INVENTION The present invention can be practiced with a number of food products in which acidulants are added in either a preservation or texturizing amount. The present invention has particul... Read More
Inventors: Weiss, Herbert D.; Reynolds, Robert G.;, Assignee: Balchem Corporation (Slate Hill, NY) |
Method and apparatus for laser-stimulated vacuum deposition and annealing technique
OF THE PREFERRED EMBODIMENT In that form of the present invention chosen for purposes of illustration, the FIGURE shows a vacuum deposition chamber, indicated generally at 2, having walls 4 formed wi... Read More
Inventors: Swain, David M.;, Assignee: Rockwell International Corporation (El Segundo, CA) |
Semiconductor manufacture 
