Patents by Inventor Kurt Weber

Kurt Weber has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4468352
    Abstract: The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C.sub.1-3 -alkylene-CON(R.sub.4)----CON(R.sub.4)--, --O--C.sub.1-3 -alkylene-COO--, OCO or --COO--, with the proviso that if n+n'=O, X and Y' may not be --CON(R.sub.4)-- or O--C.sub.1-3 -alkylene-CON(R.sub.4)--, and if n+n'=2 and X and X' are --CON(R.sub.4)-- or --COO--, A.sup..crclbar. may not be a phosphite or phosphonate anion, and Y and Y' independently of one another are C.sub.1-20 -alkylene, R.sub.1 and R.sub.1 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.1 together with R.sub.2, or R.sub.1 ' together with R.sub.2 ', is a heterocyclic ring, R.sub.2 and R.sub.2 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2 ' together with R.sub.1 ', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1 ' and R.sub.
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: August 28, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Luthi, Hans R. Meyer, Kurt Weber
  • Patent number: 4440694
    Abstract: The invention relates to vinylstilbene compounds of the formula ##STR1## wherein Q is the grouping --COX or ##STR2## These compounds are obtained by reacting 1 molar equivalent of a compound of the formula II ##STR3## wherein X is chlorine, bromine or iodine, in the presence of a base and with the addition of palladium metal or of palladium compounds, as catalyst, which, under the reaction conditions, form labile palladium(O) compounds which do not contain phosphorus, with 1 molar equivalent of a compound of the formula III or with 1 molar equivalent of each of the compounds of the formulae III and IV ##STR4##
    Type: Grant
    Filed: May 8, 1981
    Date of Patent: April 3, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Daniel Bellus, Hans-Ulrich Blaser, Guglielmo Kabas, Dieter Reinehr, Alwyn Spencer, Kurt Weber
  • Patent number: 4438886
    Abstract: A double winding machine for winding wire on reels includes two reel supports with drive shafts. Each support is equipped with a snagging mechanism comprising a hook-bearing disk with hook, an uncoiling member, and a bearing for supporting the disk and the uncoiling member coaxially with the reel and for allowing relative displacement of the disk and uncoiling member between an initial and a displaced position. A disengageable coupler is provided to rotationally couple the disk, uncoiling member and reel. The coupler can be translationally disengaged. Brakes are provided for the disk to produce a lag between the disk and reel to lengthen the leading end of the wire. The relative displacement is performed with the lag, allowing the leading end to be retained in the hook and uncoiling member. The leading end is thus made accessible, even after winding is complete.
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: March 27, 1984
    Assignee: Maillefer S.A.
    Inventors: Marc Meisser, Kurt Weber, Louis Veyrassat
  • Patent number: 4424170
    Abstract: The invention relates to stilbene compounds of the formula ##STR1## wherein X is halogen, R is hydrogen, --SO.sub.3 M, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy and M is hydrogen or a salt-forming cation. These compounds are starting materials for obtaining known fluorescent whitening agents of the 4,4'-distyrylbiphenyl series.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: January 3, 1984
    Assignee: Ciba-Geigy Corporation
    Inventor: Kurt Weber
  • Patent number: 4413378
    Abstract: The present invention concerns a method for processing a fiber sliver in a drafting arrangement, and a drafting arrangement for implementing the method. The objective for a drafting arrangement, which can be adapted to a wide range of staple lengths, to draft a fiber sliver at high speeds, has led to the following features of the invention:(a) The fiber sliver is deflected simultaneously in the drafting process systematically in such a manner that, the fiber sliver can be inserted into the subsequently arranged funnel and the subsequently arranged pair of calender rolls without further deflection.(b) All bottom rolls are fixedly arranged.(c) The first pressure rolls limiting the pre-drafting zone and the main drafting zone, respectively, are arranged to be shiftable along an arc about the rotational axis of the corresponding bottom roll in such a manner that the drafting zones are adaptable to the fiber length.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: November 8, 1983
    Assignee: Rieter Machine Works Limited
    Inventors: Gerhard Mandl, Giancarlo Mondini, Viktor Pietrini, Kurt Weber, Rudolf Wildbolz
  • Patent number: 4396548
    Abstract: Pyrazoline derivatives of the formula ##STR1## wherein Z represents a radical of the formula ##STR2## or of the formula ##STR3## and R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.8, R.sub.9 and R.sub.10 represent specific substituents and An.sup..crclbar. represents the equivalent of a colorless anion, a process for the production of these compounds and their use as fluorescent brightening agents.
    Type: Grant
    Filed: June 23, 1980
    Date of Patent: August 2, 1983
    Assignee: Ciba-Geigy Corporation
    Inventor: Kurt Weber
  • Patent number: 4366189
    Abstract: The invention relates to 4-heterocyclyl-4'-vinylstilbenes of the formula ##STR1## wherein Q is a monocyclic 5- or 6-membered aromatic heterocyclic ring which is unsubstituted or substituted by non-chromophoric groups and which contains no fused benzene rings or 1 or 2 fused benzene rings, or is a bicyclic 9-membered aromatic heterocyclic ring, phenyl which is unsubstituted or substituted by non-chromophoric groups, or is cyano, carboxyl, alkoxycarbonyl or alkylsulfonyl or arylsulfonyl, R.sub.o is hydrogen, alkyl which is unsubstituted or substituted by non-chromophoric groups, R.sub.1 is hydrogen, alkyl, alkoxycarbonyl, carbamoyl or sulfonamide, each of which is unsubstituted or substituted by non-chromophoric groups, or is alkenyl, carboxyl, alkylsulfonyl, arylsulfonyl or aralkylsulfonyl, cyano, sulfo or phosphonic acid dialkyl ester, and R.sub.2 is hydrogen, alkyl or alkenyl, each of which is unsubstituted or substituted by non-chromophoric groups, with the proviso that at most one of R.sub.1 and R.sub.
    Type: Grant
    Filed: December 10, 1980
    Date of Patent: December 28, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Burdeska, Guglielmo Kabas, Kurt Weber
  • Patent number: 4360679
    Abstract: Novel benzofuranyl benzimidazoles of the formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkenyloxy or cycloalkyloxy radical, an unsubstituted or substituted alkoxy, phenylalkoxy or phenoxy radical,each ofR.sub.2 and R.sub.3 independently represents a hydrogen atom, an alkyl or alkoxy radical, a halogen atom, or, if R.sub.1 represents hydrogen, together in the ortho-position to each other they represent a radical of the formula --CH.dbd.CH--CH.dbd.CH--, --O--CH.sub.2 --O-- or --O--CH.sub.2 --CH.sub.2 --O--,R.sub.4 represents a hydrogen atom, an alkyl, alkoxy or phenyl radical,R.sub.5 represents a sulpho or carboxyl group or the functional derivatives thereof including the cyano group or the trifluoromethyl group,R.sub.6 represents a hydrogen or halogen atom, an alkyl or alkoxy radical,R.sub.7 represents a cycloalkyl, alkenyl, or unsubstituted or substituted alkyl, phenyl or phenylalkyl radical, or, if n is 0, also represents a hydrogen atom,R.sub.
    Type: Grant
    Filed: September 30, 1980
    Date of Patent: November 23, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans R. Meyer, Kurt Weber
  • Patent number: 4347276
    Abstract: A dashboard is constructed of a formed plastic sheet and polyurethane foam laminate having a reinforcement fixture and mat embedded in the foam.
    Type: Grant
    Filed: April 7, 1981
    Date of Patent: August 31, 1982
    Assignee: Firma Carl Freudenberg
    Inventors: Kurt Weber, Peter Rutsch, Lothar Hirschinger
  • Patent number: 4339393
    Abstract: The distyrylbiphenyls of the formula ##STR1## in which X and X' independently of one another are a direct bond, oxygen, sulfur, --O--C.sub.1--3 --alkylene--CON(R.sub.4)--, --CON(R.sub.4)--,--O--C.sub.1--3 --alkylene--COO--, OCO or --COO--, with the proviso that if n+n'=O, X and X' may not be --CON(R.sub.4)--or O--C.sub.1--3 --alkylene--CON(R.sub.4)--, and if n+n'=2 and X and X' are --CON(R.sub.4)--or --COO--, A.crclbar. may not be a phosphite or phosphonate anion, and Y and Y' independently of one another are C.sub.1--20 --alkylene, R.sub.1 and R.sub.1' independently of one another are unsubstituted or substituted C.sub.1--8 --alkyl or C.sub.3--4 --alkenyl, or R.sub.1 together with R.sub.2, or R.sub.1' together with R.sub.2', is a heterocyclic ring, R.sub.2 and R.sub.2' independently of one another are unsubstituted or substituted C.sub.1--8 --alkyl or C.sub.3--4 -- alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2' together with R.sub.1', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1' and R.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: July 13, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Christian Luthi, Hans R. Meyer, Kurt Weber
  • Patent number: 4314820
    Abstract: The distyrylbenzenes of the formula ##STR1## in which X and X' independently of one another are --COO-- or --CON(R.sub.4)-- in the o-position, a direct bond, oxygen, sulfur, --O--C.sub.1-3 --alkylene--CON(R.sub.4)--, --SO.sub.2 N(R.sub.4)--, --O--C.sub.1-3 -alkylene--COO-- or --OCO--, Y and Y' independently of one another are C.sub.1-20 -alkylene, R.sub.1 and R.sub.1 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.1 together with R.sub.2, or R.sub.1 ' together with R.sub.2 ', is a heterocyclic ring, R.sub.2 and R.sub.2 ' independently of one another are unsubstituted or substituted C.sub.1-8 -alkyl or C.sub.3-4 -alkenyl, or R.sub.2 together with R.sub.1, or R.sub.2 ' together with R.sub.1 ', is a heterocyclic ring, or R.sub.1 and R.sub.2, or R.sub.1 ' and R.sub.2 ', together with R.sub.3 are a pyridine or picoline ring, R.sub.3 is hydrogen, unsubstituted or substituted C.sub.1-4 -alkyl or C.sub.3-4 -alkenyl, or together with R.sub.1 and R.sub.
    Type: Grant
    Filed: April 2, 1980
    Date of Patent: February 9, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Weber, Hans R. Meyer
  • Patent number: 4285885
    Abstract: The bis-styrylbenzene of the formula ##STR1## and the alkali metal, alkaline earth metal, ammonium and amine salts thereof, a process for its production and a method of whitening organic material which comprises the use of this compound.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: August 25, 1981
    Assignee: Ciba-Geigy Corporation
    Inventor: Kurt Weber
  • Patent number: 4264325
    Abstract: 2-Phenyl-5-benzimidazol-2'-yl-furanes of the formula ##STR1## in which R.sub.1 to R.sub.6 are as defined in the specification, n is the number 0 or 1 and A.crclbar. is a colorless anion equivalent to the cation of the fluorescent brightener, their preparation as well as their use for optically brightening organic materials are disclosed.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: April 28, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans R. Meyer, Kurt Weber
  • Patent number: 4263431
    Abstract: The invention relates to cationic fluorescent whitening agents of the formula ##STR1## wherein A is the radical of a fluorescent whitening agent, Q is the direct bond or a bridge member, R.sub.1 to R.sub.5 are specific substituents and n is 1 or 2. A process for the manufacture of these compounds and a method of whitening organic material which comprises their use are also disclosed.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: April 21, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Weber, Christian Luthi, Hans R. Meyer
  • Patent number: 4261855
    Abstract: Stilbene compounds of the formula ##STR1## in which the rings A, B and C can carry non-chromophoric substituents, R.sub.1 is hydrogen, alkyl which is unsubstituted or substituted by non-chromophoric substituents, or aryl which is unsubstituted or substituted by non-chromophoric substituents, and R.sub.2 is a carboxyl group or a functional derivative thereof, a cyano group, a sulphonic acid ester group, a sulphonamide group or a sulphonyl group, and the use thereof as fluorescent brightening agents for high-molecular organic material.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: April 14, 1981
    Assignee: Ciba-Geigy Corporation
    Inventor: Kurt Weber
  • Patent number: 4250317
    Abstract: Novel benzofuranyl benzimidazoles of the formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkenyloxy or cycloalkloxy radical, an unsubstituted or substituted alkoxy, phenylalkoxy or phenoxy radical, each ofR.sub.2 and R.sub.3 independently represents a hydrogen atom, an alkyl or alkoxy radical, a halogen atom, or, if R.sub.1 represents hydrogen, together in the ortho-position to each other they represent a radical of the formula --CH.dbd.CH--CH.dbd.CH--, --O--CH.sub.2 --O-- or --O--CH.sub.2 --CH.sub.2 --O--,R.sub.4 represents a hydrogen atom, an alkyl, alkoxy or phenyl radical,R.sub.5 represents a sulpho or carboxyl group or the functional derivatives thereof including the cyano group or the trifluoromethyl group,R.sub.6 represents a hydrogen or halogen atom, an alkyl or alkoxy radical,R.sub.7 represents a cycloalkyl, alkenyl, or unsubstituted or substituted alkyl, phenyl or phenylalkyl radical, or, if n is O, also represents a hydrogen atom,R.sub.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: February 10, 1981
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans R. Meyer, Kurt Weber
  • Patent number: 4235741
    Abstract: Novel 2,4-Bis-(stilben-4'-yl)-v-triazoles of the formula ##STR1## wherein the rings A, B, C, D and E can contain certain nonchromophoric substituents, methods for their preparation as well as their use as optical brighteners are disclosed.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: November 25, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Weber, Rudolf Kirchmayr
  • Patent number: 4228563
    Abstract: Drive apparatus for a spinning can (4) effecting a rotational movement about its own axis (a) for depositing textile fibre slivers on spinning preparatory machines. The axis (a) of the can itself rotates about an axis (b) which is fixed relative to the room and which is parallel to the can axis (a). The can (4) is placed and centered on a can table (5) which is rotatably supported in a plate (7), and which is set into rotation by a rotating means (8) and is provided with a driving element (22). The plate (7) is horizontally supported on at least three points and performs a translatory circular movement activated by two cranks (14,15) moving mutually parallel. The drive element (22) of the table (5) is rotatably connected with at least one crank (14 or 15). The translatory circular movement of the plate (7) about the axis (b) is derived from the rotational movement of the can table (5) about its own axis (a).
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: October 21, 1980
    Assignee: Rieter Machine Works Ltd.
    Inventor: Kurt Weber
  • Patent number: 4223422
    Abstract: A turntable for the deposition of a fiber sliver into a spinning can comprising a sliver duct and calender rolls arranged, viewed in the direction of material flow, after the sliver duct and circling or orbiting therewith. Each calender roll is provided with a rotational axis which is arranged substantially parallel to the rotational axis of the turntable. The rotational axes of the calender rolls and the rotational axis of the turntable can be arranged for instance at least substantially in one plane.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: September 23, 1980
    Assignee: Rieter Deutschland GmbH
    Inventor: Kurt Weber
  • Patent number: 4189589
    Abstract: 2-Phenyl-5-benzimidazol-2'-yl-furanes of the formula ##STR1## in which R.sub.1 is a sulphonic acid group or an ester or amide thereof, a carboxylic acid group or an ester or amide thereof, a cyano group, a trifluoromethyl group or an alkyl- or arylsulphonyl group, R.sub.2 is alkyl having 1 to 8 carbon atoms, alkenyl having 3 or 4 carbon atoms, cyclohexyl, hydroxyalkyl having 2 to 4 carbon atoms, alkoxyalkyl having a total of 3 to 6 carbon atoms, carboxyalkyl having 2 to 6 carbon atoms, carbalkoxyalkyl having a total of 3 to 6 carbon atoms, cyanoalkyl having 2 to 4 carbon atoms, carbamoylalkyl which has 1 to 6 carbon atoms in the alkyl moiety and is unsubstituted or substituted on the nitrogen atom by 1 or 2 alkyl having 1 to 3 carbon atoms, benzyl which is unsubstituted or substituted by chlorine, methyl or methoxy, dialkylaminoalkyl having a total of 3 to 7 carbon atoms or phenethyl and, if n is the number 0, also hydrogen, R.sub.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: February 19, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans R. Meyer, Kurt Weber