Patents Examined by Dolph H. Torrence
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Patent number: 4716237Abstract: 3-oxonitriles are produced by reaction of carboxylic acid esters with carboxylic acid nitriles in the presence of 70 to 80% suspension of sodium hydride in white oil. The oxonitrile are intermediate products for the production of 3-oxocarboxylic acid amides or esters and pesticides.Type: GrantFiled: March 15, 1983Date of Patent: December 29, 1987Assignee: Degussa AktiengesellschaftInventors: Karlheinz Drauz, Axel Kleemann, Elisabeth Wolf-Heuss
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Patent number: 4711905Abstract: A 2,4-dihalogenobenzoyl-(thio)urea of the formula ##STR1## in which X represents sulphur or oxygen,X.sup.1 and X.sup.2 are identical or different and represent fluorine, chlorine, bromine or iodine,R.sup.1 represents hydrogen, halogen or optionally substituted radicals from the series comprising alkyl, alkoxy and alkylthio,R.sup.2 represents hydrogen, halogen, cyano, nitro, or optionally substituted radicals from the series comprising alkyl, alkylthio, alkylsulphonyl, alkoxy, aryloxy, alkylcarbonyl, alkoxycarbonyl, alkoxycarbonylalkyl and alkoxycarbonylalkylthio, orR.sup.1 and R.sup.2 together represent an optionally substituted alkylenedioxy radical or --CF.sub.2 --O--CF.sub.2 --O--,R.sup.3 represents hydrogen, halogen or an optionally substituted alkyl, alkoxy or aryloxy radical, andR.sup.4 represents hydrogen, halogen, or optionally substituted radicals from the series comprising alkyl, alkylthio and alkoxy, with the exception of those cases in which X represents oxygen, X.sup.1 andX.sup.Type: GrantFiled: June 19, 1985Date of Patent: December 8, 1987Assignee: Bayer AktiengesellschaftInventors: Wilhelm Sirrenberg, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel
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Patent number: 4710514Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, particularly their strains resistant to benzimidazole, thiophanate and/or dicarboximide fungicides.Type: GrantFiled: April 26, 1983Date of Patent: December 1, 1987Assignee: Sumitomo Chemical Company, LimitedInventors: Junya Takahashi, Toshiro Kato, Katsuzo Kamoshita
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Patent number: 4699993Abstract: Novel compounds having greatest interest as biologically-active materials for the treatment of diabetic complications in mammals, or intermediates for such materials, are perfluoroalkyl compounds corresponding to the formula: ##STR1## wherein R and R' are independently selected from chloro, fluoro, nitro, hydroxy, and alkyl and alkoxy substituents containing 1-6 carbons; Q is --CN, --COOL, --COX, or --CTN(R")CH.sub.2 COOL; L is hydrogen, alkali metal, or saturated hydrocarbyl; X is halo; T is oxygen or sulfur; R" is an alkyl group containing 1-6 carbons; m is 0 or 1; and n is an integer of at least one.Type: GrantFiled: December 12, 1985Date of Patent: October 13, 1987Assignee: Ethyl CorporationInventor: Vernon O. Brandt
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Patent number: 4699992Abstract: Novel 3-amino-2-benzoyl-acrylic acid derivatives of the formula ##STR1## in which R.sup.1 represents the nitrile group, an ester group --COOR.sup.4 or carboxamide group ##STR2## R.sup.4 denoting C.sub.1 -C.sub.6 -alkyl, and R.sup.5 and R.sup.6 representing hydrogen or C.sub.1 -C.sub.3 -alkyl or phenyl,R.sup.2 and R.sup.3, which can be identical or different, represent a C.sub.1 -C.sub.6 -alkyl radical and, furthermore, can form, together with the nitrogen atom to which they are bonded, a 5- or 6-membered heterocyclic ring which can additionally contain as ring member the atoms or groups --O--, --S--, --SO-- or --SO.sub.2 --,X represents halogen,X.sup.1 denotes hydrogen, methyl, nitro or halogen,X.sup.2 denotes halogen or methyl, andX.sup.3 denotes hydrogen or halogen,are prepared by reacting ##STR3## The products can be converted into known antibacterials.Type: GrantFiled: September 12, 1985Date of Patent: October 13, 1987Assignee: Bayer AktiengesellschaftInventor: Klaus Grohe
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Patent number: 4698094Abstract: Phenylacetic esters, thioesters and amides of the formula ##STR1## wherein R is as defined in the disclosure, process for preparation thereof, herbicidal composition and method for destruction of undesirable weeds. The herbicides comprising the above compounds are capable of selectively controlling undesirable weeds among desirable crop plants.Type: GrantFiled: April 22, 1985Date of Patent: October 6, 1987Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Yoshiharu Hayashi, Hiroyuki Kouji
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Patent number: 4697035Abstract: A simplified process for the preparation of basically substituted phenylacetonitriles, in particular of verapamil, is described. This process is carried out with fewer stages and higher yields than the known processes according to the state of the art.Type: GrantFiled: June 3, 1985Date of Patent: September 29, 1987Assignee: Ludwig Heumann & Co., GmbHInventors: Lothar Kisielowski, Ingomar Grafe, Walter Liebenow, Kurt H. Ahrens
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Patent number: 4692463Abstract: The present invention describes the finding of potent antiinflammatory properties in 2,3-didemethylcolchicine and its analogs.Type: GrantFiled: November 29, 1985Date of Patent: September 8, 1987Assignee: The United States of America as represented by the Department of Health and Human ServicesInventor: Arnold Brossi
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Patent number: 4690946Abstract: Use of an N-phenylcarbamate of the formula: ##STR1## as a fungicidal agent against phytopathogenic fungi, particularly strains which are resistant to benzimidazole thiophanate fungicides and/or cyclic imide fungicides.Type: GrantFiled: October 14, 1983Date of Patent: September 1, 1987Assignee: Sumitomo Chemical Company, LimitedInventors: Junya Takahashi, Toshiro Kato, Katsuzo Kamoshita
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Patent number: 4690917Abstract: Compounds of the formula: ##STR1## wherein R.sub.1, R.sub.3 and R.sub.4 each independently represents a hydrogen atom or a protecting group;R.sub.2 represents a halogen atom or a group of formula --NR.sub.a R.sub.b (where R.sub.a and R.sub.b, which may be the same or different, each represents a hydrogen atom or an alkyl group; or R.sub.a and R.sub.b may be linked to form, together with the nitrogen atom to which they are attached, a heterocyclic ring which optionally contains a further heteroatom);and their physiological equivalents as well as salts thereof with acids, exhibit antiviral activity against RNA viruses such as Influenza and/or are intermeidates for the preparation of antivirally active compounds.Type: GrantFiled: November 22, 1985Date of Patent: September 1, 1987Assignee: Glaxo Group LimitedInventors: David J. Knight, David I. C. Scopes, Richard Storer, Stuart Holman
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Patent number: 4689432Abstract: The present invention discloses a group of calcium chelating compounds which have a descreased affinity for calcium following illumination. These new compounds contain a photolabile nitrobenzyl derivative coupled to a tetracarboxylate Ca.sup.2+ chelating parent compound having the octacoordinate chelating groups characteristic of EGTA or BAPTA. In a first form, the new compounds are comprised of a BAPTA-like chelator coupled to a single 2-nitrobenzyl derivative, which in turn is a photochemical precursor of a 2-nitrosobenzophenone. In a second form, the new compounds are comprised of a BAPTA-like chelator coupled to two 2-nitrobenzyl derivatives, themselves photochemical prcursors of the related 2-nitrosobenzophenones.The present invention also discloses a novel method for preparing 1-hydroxy- or 1-alkoxy-1-(2-nitroaryl)-1-aryl methanes. Methanes of this type are critical to the preparation of, or actually constitute, the photolabile Ca.sup.2+ chelating compounds disclosed and claimed herein.Type: GrantFiled: September 7, 1984Date of Patent: August 25, 1987Assignee: The Regents of the University of CaliforniaInventors: Roger Y. Tsien, Grzegorz Grynkiewicz, Akwasi Minta
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Patent number: 4684744Abstract: Stilbene derivatives of the formula ##STR1## wherein X is chlorine or bromine, R.sub.1 is hydrogen, carboxyl, cyano, C.sub.1 -C.sub.6 -alkyl or a non-chromophorically esterified carboxyl group, and R.sub.2 and R.sub.3 independently of one another are each hydrogen, unsubstituted or non-chromophorically substituted C.sub.1 -C.sub.6 -alkyl or C.sub.3 -C.sub.4 -alkenyl, or a non-chromophoric substituent of the 2nd order.They are valuable intermediates for producing optical brighteners of the 4,4'-disubstituted stilbene series.Type: GrantFiled: March 21, 1985Date of Patent: August 4, 1987Assignee: Ciga-Geiby CorporationInventors: Klaus Artz, Hans R. Meyer, Dieter Reinehr, Kurt Weber
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Patent number: 4681969Abstract: A process is described by which the pair of isomers represented by (R)-.alpha.-cyano-4-fluoro-3-phenoxybenzyl (1R,cis)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylate and its enantiomer is converted by base catalyzed epimerization in solution into the insecticidally more useful isomer pair represented by (S)-.alpha.-cyano-4-fluoro-3-phenoxybenzyl (1R,cis)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylate and its enantiomer, which may then be caused to crystallize out from the solution.Type: GrantFiled: August 26, 1985Date of Patent: July 21, 1987Assignee: Imperial Chemical Industries PLCInventors: John Williams, Michael J. Robson
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Patent number: 4681955Abstract: New compounds of the formula ##STR1## a process for their preparation and their use as intermediates for insecticides.Type: GrantFiled: August 6, 1985Date of Patent: July 21, 1987Assignee: Bayer AktiengesellschaftInventor: Albrecht Marhold
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Patent number: 4681970Abstract: The invention relates to compounds of the formula: ##STR1## which are useful cardiovascular agents.Type: GrantFiled: March 21, 1986Date of Patent: July 21, 1987Assignee: G. D. Searle & Co.Inventor: Chi-Dean Liang
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Patent number: 4681951Abstract: There are disclosed bicyclo[3.3.0]octene derivatives having the following formula: ##STR1## wherein R.sup.1 is a straight, branched or cyclic alkyl group or alkenyl group each having 5 to 10 carbon atoms; andR.sup.2 and R.sup.3 are each separately a hydrogen atom or a protective group of a hydroxy group,and process for producing the same. These compounds and the process for producing them are available for producing a 9(0)-methano-.DELTA.6(9.alpha.)-PGI.sub.1.Type: GrantFiled: August 17, 1984Date of Patent: July 21, 1987Assignee: Sagami Chemical Research CenterInventors: Masakatsu Shibasaki, Toshiaki Mase, Mikiko Sodeoka, Yuji Ogawa
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Patent number: 4681621Abstract: Compounds of the formula ##STR1## wherein R is halogen, preferably chlorine or bromine; C.sub.1 -C.sub.4 alkoxy, preferably methoxy; nitro; cyano; --S(O).sub.n R' wherein n is the integer 0, 1 or 2, preferably 2 and R' is C.sub.1 -C.sub.4 alkyl, preferably methyl; or R is C.sub.1 -C.sub.4 alkyl or methyl and most preferably R is chlorine, bromine, methoxy, nitro, methyl or CF.sub.3 ; R.sup.1 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl or ##STR2## wherein R.sup.a is C.sub.1 -C.sub.4 alkyl; R.sup.1 and R.sup.2 together are alkylene having 3 to 6 carbon atoms; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl; and R.sup.5 and R.sup.6 independently are (1) hydrogen; (2) halogen; (3) C.sub.1 -C.sub.4 alkyl; (4) C.sub.1 -C.sub.4 alkoxy; (5) OCF.sub.3 ; (6) cyano; (7) nitro; (8) C.sub.1 -C.sub.4 haloalkyl; (9) R.sup.b SO.sub.n -- wherein n is the integer 0, 1, or 2; and R.sup.b is (a) C.sub.1 -C.sub.4 alkyl; (b) C.sub.1 -C.sub.Type: GrantFiled: December 3, 1985Date of Patent: July 21, 1987Assignee: Stauffer Chemical CompanyInventors: David L. Lee, William J. Michaely
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Patent number: 4677198Abstract: Process for the preparation of oligosaccharides-containing products from biomass involving the use of hydrochloric acid for partly hydrolyzing biomass to easily fermentable oligosaccharides-containing products and easy recovery of the hydrochloric acid and the oligosaccharides containing products. The oligosaccharides-containing products themselves and use of the latter for the preparation of useful products like ethanol and penicillin by fermentation.Type: GrantFiled: November 15, 1984Date of Patent: June 30, 1987Assignee: Gist-Brocades N.V.Inventors: Paul E. Linnett, Johan P. M. Sanders
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Patent number: 4676924Abstract: New compounds of the general formula: ##STR1## wherein the symbols X stand for carbon atom bonded with two hydrogen atoms /--CH.sub.2 -- group/ and the symbols Z stand for oxygen atom or the symbols X stand for oxygen atom and the symbols Z stand for carbon atom bonded with two hydrogen atoms /--CH.sub.2 -- group/, m is an integer of 1 to 2, R represents an alkyl /H.sub.2n+1 C.sub.n / or an 4-alkylphenyl /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.4 / or an alkylbiphenyl /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.4 --C.sub.6 H.sub.4 / or an alkylcyclohexylphenyl group /H.sub.2n+1 C.sub.n --C.sub.6 H.sub.10 --C.sub.6 H.sub.4 /, the term alkyl group signifies an alkyl chain containing 1 to 15 carbon atoms or it also signifies a branched-chain alkyl group C.sub.2 H.sub.5 --CH/CH.sub.3 /--/CH.sub.2 /.sub.k where k in an integer of 1 to 3, have utility as liquid crystals. A process for manufacture of compounds of the general formula I.Type: GrantFiled: June 28, 1985Date of Patent: June 30, 1987Assignee: Wojskowa Akademia TechnicznaInventors: Roman Dabrowski, Jerzy Dziaduszek, Jaroslaw Szulc, Zygfryd Witkiewicz, Zofia Stolarz, Krystyna Kenig, Gabriela Adamska
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Patent number: 4675437Abstract: Cycloaliphatic triisocyanates or isomer mixtures of such triisocyanates corresponding to the formula ##STR1## in which R represents hydrogen or a C.sub.1 -C.sub.4 alkyl group are produced by phosgenating the corresponding cycloaliphatic triamines or isomer mixtures of such triamines or a salt thereof.These triisocyanates are useful in the production of polyisocyanate addition products, particularly polyurethane coatings and lacquers.Type: GrantFiled: April 29, 1985Date of Patent: June 23, 1987Assignee: Bayer AktiengesellschaftInventors: Hartmut Knofel, Stefan Penninger, Michael Brockelt, Gunter Hammen, Herbert Stutz