|
| Latest patents |
Results: 901-930 of 1119
|
Lipidic compositions for use in dietetics, reanimation and therapeutics
I claim: 1. A lipidic composition for use in reanimation, dietetics and in situations wherein the energy balance is endangered by a disorder of lipid digestion comprising: (A) an oil naturally contain... Read More
Inventors: Mendy, Francois;, Assignee: Roussel UCLAF (Romainville, FR) |
Production of acetic anhydride and acetic acid from acetaldehyde
We claim: 1. A process for the continuous production of acetic acid and acetic anhydride by reacting acetaldehyde by oxidizing it with gaseous oxygen in liquid phase in the presence of copper acylate ... Read More
Inventors: Erpenbach, Heinz; Gehrmann, Klaus; Hauser, Alfred; Karrenbauer, Kurt; Lork, Winfried;, Assignee: Hoechst Aktiengesellschaft (DE) |
Distyryl compounds
What we claim is: 1. Distyryl-dibenzofuranes of the formula ##STR40## wherein R.sub.x is selected from the group consisting of sulphonic acid, benzyl ester of sulphonic acid, phenylester or alkylester... Read More
Inventors: Weber, Kurt; Kormany, Geza;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Process for producing pyromellitic dianhydride
An objection, therefore, of the present invention is to provide an industrially advantageous process by which pyromellitic dianhydride(PMDA) can be produced in high yield over a broad optimal reaction... Read More
Inventors: Enomoto, Norihide; Naruse, Yoshihiro;, Assignee: Kawasaki Steel Corp. (Kobe, JP) |
Mesomorphous 4-alkoxytetrafluorobenzoic acid esters
What is claimed is: 1. A mesomorphous organic compound having the formula ##STR16## wherein R designates an alkyl radical having 1-15 carbon atoms, R' designates hydrogen, chlorine, bromine, iodine, C... Read More
Inventors: Beguin, Alain; Dubois, Jean-Claude; Zann, Annie;, Assignee: Thomson-CSF (Paris, FR) |
Organic compound having a smectic A phase, mixture containing said compound and process for producing the same
What is claimed is: 1. An organic compound having at least one mesomorphic phase of the smectic A type in accordance with the general chemical formula: ##STR21## in which 1.ltoreq.n.ltoreq.15. 2. An o... Read More
Inventors: Le Barny, Pierre; Dubois, Jean C.; Ravaux, Gilles;, Assignee: Thomson-CSF (Paris, FR) |
Fluorescent coating
We claim: 1. A coating which emits a color when illuminated with light within the visible wavelength range and which fluoresces when illuminated with light within the ultraviolet wavelength range, sai... Read More
Inventors: Fast, Peder; Bergkvist, Lars A.;, Assignee: Ultralux AB (Goteborg, SE) |
Cyclohexane derivatives
We claim: 1. A liquid-crystal phase having at least two liquid crystal components, and comprising at least one transversely polarized 1,4-cyclohexylene compound of the formula I R.sup.1 --A.sup.1 --Z.... Read More
Inventors: Sucrow, Wolfgang; Wolter, Herbert; Eidenschink, Rudolf;, Assignee: Merck Patent Gesellschaft mit beschrankter Haftung (Darmstadt, DE) |
Ferroelectric liquid crystal composition
We claim: 1. A ferroelectric liquid crystal composition comprising at least one achiral compound represented by formula (I) ##STR37## wherein each of R.sup.1 and R.sup.2 is an alkyl group having 1 to ... Read More
Inventors: Takeshita, Fusayuki; Kikuchi, Makoto; Ichihashi, Mitsuyoshi; Terashima, Kanetsugu; Furukawa, Kenjii;, Assignee: Chisso Corporation (Osaka, JP) |
Aminocarbonylmethyl ethers of clavulanic acid, a process for their preparation and use
I claim: 1. The compound of the formula (I): ##STR12## a pharmaceutically acceptable salt thereof or an ester thereof of the formula (II) or (III): ##STR13## wherein A.sup.1 is alkyl of up to 4 carbon... Read More
Inventors: Gasson, Brian C.;, Assignee: Beecham Group Limited (GB2) |
Portable ventilator apparatus
According to the invention of the present application, there is provided ventilator apparatus comprising a pump including a negative-pressure air inlet and a positive-pressure air outlet, delivery mea... Read More
Inventors: Adahan, Carmeli;, Assignee: |
Method and apparatus for maintaining airway patency to treat sleep apnea and other disorders
I claim: 1. A method of providing breathing gas from a source for breathing by a patient who is breathing in repeated breathing cycles each including an inspiratory phase and an expiratory phase compr... Read More
Inventors: Sanders, Mark H.; Zdrojkowski, Ronald J.;, Assignee: Respironics Inc. (Murrysville, PA) |
Humidifier for CPAP device
These and other problems have been solved by the CPAP humidifier in accordance with the present invention, which presents a humidifier which is economical to manufacture, easy to use, durable, and pro... Read More
Inventors: Rose, Fred; Kidd, Lisa; Dolida, Roger;, Assignee: Puritan-Bennett Corporation (Lenexa, KS) |
Partial liquid breathing of fluorocarbons
OF THE INVENTION As noted, lung surfactant supplements should be non-toxic and biologically compatible. Like human surfactant, surfactant supplements should decrease the surface tension within the al... Read More
Inventors: Faithfull, Nicholas Simon; Weers, Jeffry Greg;, Assignee: Alliance Pharmaceutical Corp. (San Diego, CA) |
Pressure reducer/regulator for dispensing a gaseous, liquid, viscous, powdery or pasty product
I claim: 1. A pressure reducer-regulator for dispensing gaseous, liquid, viscuous, powdery or pasty substances comprising, a body having an internal cylindrical bore therein, two paired pistons integr... Read More
Inventors: Comment, Paul;, Assignee: Etablissements Technospray (Vaduz, LI) |
Fail-safe systems for respirating gas delivery devices
OF THE INVENTION The fail-safe system of this invention may be used with both rate-time and volumetric pulse-dose gas delivery devices. It may be incorporated as an integral part of either type of ga... Read More
Inventors: Perkins, Warren E.;, Assignee: |
Pressure regulator for underwater breathing system
OF A PREFERRED EMBODIMENT Referring particularly to FIGS. 1 through 4, a first stage pressure regulator for use in a self contained underwater breathing system is generally identified by the referenc... Read More
Inventors: Ferguson, Arthur R.;, Assignee: Dacor Corporation (Northfield, IL) |
Automatic regulating valve
In the valve according to the invention, the chamber has a frustoconical portion into which the inlet orifice emerges and the shutter has, in front of the cylindrical portion provided with said ring, ... Read More
Inventors: Comment, Paul;, Assignee: Hobac S.A. (Neuchatel, CH) |
Method and apparatus for purifying contamination of dental consultation room
With the background described above, the present invention is directed to provide a method and apparatus for rigorously purifying the contamination of a dental consultation room by sufficiently removi... Read More
Inventors: Tada, Yoshikazu;, Assignee: Hayashikane Shipbuilding & Engineering Co., Ltd. (Yamaguchi, JP) |
Customized scuba-diving mouthpiece and method of manufacture
This invention is an improvement in scuba-diving mouthpieces and, more specifically, an improved customized scuba-diving mouthpiece of the type including a front portion forming a breathing hole and r... Read More
Inventors: Moles, Randall C.;, Assignee: |
5-acetyl-3,4,5,6-tetrahydro-4-oxo-2,6-methano-2H-1,3,5-benzothiazoci ne(benzodiazocine)-11-carboxylates useful as calcium channel blockers
OF THE INVENTION The specific substituted and bridged pyrimidine compounds of this invention are represented by the following general structural formula (I): ##STR1## wherein: A and B independently a... Read More
Inventors: Baldwin, John J.; Claremon, David A.; McClure, David E.;, Assignee: Merck & Co., Inc. (Rahway, NJ) |
2,6-Dimethyl-3N,5-disubstituted-4-(substituted phenyl)3,4-dihydropyrimidine compounds and a method for treating disorders of cardiocircular system
OF THE INVENTION This invention provides N-substituted 3,4-dihydropyrimidine of the formula (1) and pharmaceutically acceptable acid addition salts thereof and processes for their production: ##STR5#... Read More
Inventors: Cho, Hidetsura; Aisaka, Kazuo; Sato, Fumio; Ishihara, Takafumi;, Assignee: Suntory Limited (Osaka, JP) |
1,2,3,4-tetrahydro-6-substituted-4-aryl-3-(substituted sulfonyl)-2-thioxo(or oxo)-5-pyrimidinecarboxylic acids and esters and method of using them to lower blood pressure
OF THE INVENTION The compounds of formula I, and the pharmaceutically acceptable salts thereof, are cardiovascular agents. They act as calcium entry blocking vasodilators and are especially useful as... Read More
Inventors: Atwal, Karnail;, Assignee: E. R. Squibb & Sons, Inc. (Princeton, NJ) |
2-substituted thio or oxy-4-aryl or heterocyclo-5-carboxy-1,4-dihydropyrimidines, composition containing them, and method of using them to reduce blood pressure
OF THE INVENTION This invention in its broadest aspects relates to the pyrimidine compounds of formula I above, to compositions and the method of using such compounds as cardiovascular agents. The te... Read More
Inventors: Atwal, Karnail;, Assignee: E. R. Squibb & Sons, Inc. (Princeton, NJ) |
Certain azaspirodecane compounds and a method of inducing an anxiolytic activity
What we claim is: 1. A compound selected from the group consisting of azaspirodecane derivatives of the formula ##STR5## wherein R is selected from the group consisting of hydrogen, fluorine, chlorine... Read More
Inventors: Gasc, Jean-Claude; Nedelec, Lucien; Humbert, Daniel; Boaventura, Ana Maria;, Assignee: Roussel Uclaf (Paris, FR) |
1,5-Benzothiazepine compounds
OF THE INVENTION The term "halogen" as used herein for R.sub.1 means a chlorine atom or a bromine atom, preferably a chlorine atom. The term "alkyl" as used herein for R.sub.1 means a straight or bra... Read More
Inventors: Ohno, Sachio; Izumi, Kihachiro; Mizukoshi, Kiyoshi; Kato, Kazuo; Yamamoto, Hajimu; Nagasaka, Mitsuaki; Nakamura, Yoshiki; Hori, Mikio;, Assignee: Maruko Seiyaku Co., Ltd. (Nagoya, JP) |
Cephalosporin antibiotics
We claim: 1. A cephalosporin antibiotic of formula ##STR8## (wherein Y.sup..sym. represents a C-attached 1-C.sub.1-4 alkylpyridinium group) and non-toxic salts, non toxic metabolically labile esters a... Read More
Inventors: O'Callaghan, Cynthia H.; Ayres, Barry E.; Livermore, David G. H.; Newall, Christopher E.; Weir, Niall G.;, Assignee: Glaxo Group Limited (London, GB2) |
Anticoccidial combinations comprising nicarbazin and the polyether antibiotics
All of the compounds to be employed in the present invention are known in the prior art. Nicarbazin and 4,4'-dinitrocarbanilide are taught in U.S. Pat. No. 2,731,382. Nicarbazin is a complex of 4,4'-... Read More
Inventors: Callender, Maurice E.; Jeffers, Thomas K.;, Assignee: Eli Lilly and Company (Indianapolis, IN) |
Optionally substituted 1,2,3,5-tetrahydroimidezo(2,1-b)-quinazolin-2-ones and 6(H)-1,2,3,4-tetrahydropyimido(2,1-b)quinazolin-2-ones
This invention relates to new synthetic compounds of value as hypotensive and blood platelet antiaggregative agents. Most particularly the compounds of the invention are 1,2,3,5-tetrahydroimidazo-[2,... Read More
Inventors: Beverung, Jr., Warren Neil; Partyka, Anthony;, Assignee: Bristol-Myers Company (New York, NY) |
N,N-Di substituted-(2-oxo-1,2,3,5-tetrahydroimidazo-[2,1-B]quinazolinyl)oxyalkyl amides
OF THE INVENTION These compounds are potent inhibitors of human platelet cyclic AMP phosphodiesterase activity. As a consequence, these compounds inhibit the ADP-induced aggregation of human platelet... Read More
Inventors: Jones, Gordon H.; Venuti, Michael C.; Alvarez, Robert; Bruno, John J.;, Assignee: Syntex (U.S.A.) Inc. (Palo Alto, CA) |
|
Vasodialators 
