Patents by Inventor Georg Weber
Georg 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).
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Patent number: 4818428Abstract: The invention relates to liquid crystal phases (LC phases) having a particularly low threshold voltage, a particularly low ratio K.sub.3 /K.sub.1 of the elastic constants for bending (K.sub.3) and spreading (K.sub.1) and broad nematic phase ranges, these phases containing at the same time at least one highly polar component of reduced degree of association and, to reduce the quotient K.sub.3 /K.sub.1 of the elastic constants for bending (K.sub.3) and spreading (K.sub.1) of the phases to a value.ltoreq.1.1, at least one apolar liquid crystal component.Type: GrantFiled: September 12, 1986Date of Patent: April 4, 1989Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Bernhard Scheuble, Georg Weber, Joachim Krause
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Patent number: 4812258Abstract: Liquid crystalline fluorine-containing pyrimidine compounds have the formula I ##STR1## wherein R.sup.1 and R.sup.2 are H, R, OR or OCOR, and one of them can also be CN or F, or, if A is a covalent bond, also one or both of R.sup.1 and R.sup.2 can be 4-R.sup.4 -phenyl or 4-R-cyclohexyl, wherein R.sup.4 is R, OR, cyano, f or OCOR; wherein R is an alkyl group of 1 to 12 C atoms; R.sup.3 is F or, if one of the radicals R.sup.1 or R.sup.2 is F or 4-fluorophenyl, also H; Z is 1,3-pyrimidin-2,5-diyl; and A is 1,4-phenylene, 1,4-cyclohexylene or a covalent bond.Fluorine-containing pyrimidine compounds are useful components of liquid crystal dielectrics for electro-optical display devices.Type: GrantFiled: April 8, 1987Date of Patent: March 14, 1989Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Joachim Krause, Michael Romer, Ludwig Pohl, Bernhard Scheuble, Georg Weber
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Patent number: 4795464Abstract: The artificial breast prosthesis of the present invention comprises an ou shell of silicone material having a concave cavity formed at its rear surface. Nested within this concave cavity is a plastic foam shell which in turn has a concave cavity at its rear surface. The outer silicone shell and the foam body member nested within the outer shell are both enclosed within a fabric pocket having a rear slit therein for permitting removal of the silicone and foam body members.Type: GrantFiled: March 2, 1987Date of Patent: January 3, 1989Assignees: Tertulin Eberl, Anita-Spezialmiederfabrik Dr. Helbig Gesellschaft m.b.H. & Co. KGInventors: Tertulin Eberl, Georg Weber-Unger
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Patent number: 4776973Abstract: Pyrimidine derivatives of the formula IR.sup.1 --Pry--A.sup.1 --Z.sup.1 --A.sup.2 -[Z.sup.2 --A.sup.3 ].sub.m --R.sup.2 Iin whichR.sup.1 and R.sup.2 each are an alkyl group having 1 to 12 C atoms, in which one or two non-adjacent CH.sub.2 groups can also be replaced by --O--, --CO--, --O--CO--, --CO--O-- or --CH.dbd.CH--, and one of the radicals R.sup.1 and R.sup.2 are H, F, Cl, Br or CN,Pyr is pyrimidine-2,5-diyl,A.sup.1 and A.sup.3 each are 1,4-cyclohexylene, unsubstituted 1,4-phenylene or 1,4-phenylene which is substituted by one or two F and/or Cl atoms and/or CH.sub.3 and /or CN groups,A.sup.2 is 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 and/or CN groups,Z.sup.1 is --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, or --OCH.sub.2 --Z.sup.2 is --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --CH.sub.2 O--, --O--CH.sub.2 -- or a single bond, andm is 0 or 1,are suitable for preparing liquid crystal phases having steep electro-optical characteristic curves.Type: GrantFiled: February 24, 1986Date of Patent: October 11, 1988Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Klaus Bofinger, Michael Romer, Bernhard Scheuble, Georg Weber
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Patent number: 4755323Abstract: New 1,4-dioxanes of the formula I ##STR1## wherein R.sup.1 and R.sup.2 each signify and alkyl group with 1 - 10 C-atoms, wherein one or two CH.sub.2 groups can also be replaced by O-atoms, F, Cl, Br or CN,R.sup.2 also H,A.sup.1 and A.sup.2 each signify 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, 1,4-dioxane-2,5-diyl, peperidine-1,4-diyl, 1,4-bicyclo(2,2,2)-octylene or pyrimidine-2,5-diyl groups, unsubstituted or substituted by 1 - 4 F-atoms,Z.sup.1 and Z.sup.2 each signify --CO--O--, --O--CO--, CH.sub.2 CH.sub.2 --, OCH.sub.2 -- --CH.sub.2 O-- or a single bond,m and n each signify 0, 1, 2 or 3,(m+n), however, are at least 1 and at most 3,whereby for m=2 or 3, the groups A.sup.1 and for n=2 or 3 the groups A.sup.2 can each be the same or different from one another,as well as the acid-addition salts of the basic ones of these compounds,are suitable for use as components of liquid-crystalline dielectrics.Type: GrantFiled: March 13, 1986Date of Patent: July 5, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Rudolf Eidenschink, Georg Weber
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Patent number: 4752414Abstract: Nitrogen-containing heterocyclic compounds of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --[Z.sup.2 --A.sup.3 ].sub.n --R.sup.2whereinR.sup.1 and R.sup.2 in each case independently of one another are an alkyl group with 1-15 C atoms, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms and/or --CO-- groups and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 is also H, F, Cl, Br or CN,A.sup.1 is a 1,4-cyclohexylene group, it also being possible for one or two non-adjacent CH.sub.2 groups to be replaced by O atoms, a 1,4-bicyclo-(2,2,2)-octylene group or a 1,3-dithiane-2,5-diyl group,Z.sup.1 and Z.sup.2 in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O-- or a single bond,A.sup.2 and A.sup.Type: GrantFiled: July 11, 1986Date of Patent: June 21, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Rudolf Eidenschink, Joachim Krause, Reinhard Hittich, Eike Poetsch, Bernhard Scheuble, Georg Weber, Ludwig Pohl
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Patent number: 4737311Abstract: A liquid crystal phase containing at least one component selected from Group C compounds of the formulae VII to X ##STR1## has particularly advantageous properties.Type: GrantFiled: April 5, 1985Date of Patent: April 12, 1988Assignee: Merck Patent Gesellschaft mit beschrankter haftungInventors: Bernhard Scheuble, Georg Weber, Kiyohiko Kawamoto, Rudolf Eidenschink, Reinhard Hittich
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Patent number: 4737312Abstract: Liquid crystal compositions containing at least one compound of the formula IR-Dio-Ph-CN Iwherein R is alkyl of 2 to 5 carbon atoms, Dio is trans-1,3-dioxane-2,5-diyl and Ph is 1,4-phenylene, and at least one compound of each of the following groups A to D:R.sup.1 -Cy-Ph-R.sup.2 AR.sup.3 -Cy-Ph-Ph-R.sup.4 BR.sup.5 -Cy-Ph-CN CR.sup.6 -Cy-COO-Ph-O-R.sup.7 Dand, in addition in a total amount of 10 to 26% by weight at least five compounds of the formula ER.sup.8 -Pyr-Ph-O-R.sup.9 Eor at least one compound of each of the following groups F to K:R.sup.10 -Ph-COO-Ph-R.sup.11 FR.sup.12 -Cy-COO-Ph-Ph-CN GR.sup.13 -Ph-Ph-COO-Ph-Ph-CN HR.sup.14 -Ph-COO-Ph-COO-Ph-R.sup.15 JR.sup.16 -Ph-Ph-COO-PhF-R.sup.17 Kresult in surprisingly steep electrooptical characteristics and surprisingly low viewing-angle dependence of the contrast at simultaneously acceptable threshold voltages for commercially available drivers and multiplex ratios up to 1:100 when used in matrix displays.Type: GrantFiled: June 17, 1986Date of Patent: April 12, 1988Assignees: Merck Patent Gesellschaft mit beschrankter Haftung, Toshiba CorporationInventors: Shoichi Matsumoto, Hitoshi Tomii, Bernhard Scheuble, Georg Weber, Ian C. Sage
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Patent number: 4730904Abstract: Organosilicon compounds of the formula IR.sup.1 --A.sup.1 --A.sup.2 --O--C.sub.n H.sub.2n --SiX.sub.a Y.sub.b Z.sub.c Iwherein R.sup.1, A.sup.1, A.sup.2, X, Y, Z, n, a, b and c have the meaning given can be used for producing a homotropic orientation of liquid crystal phases on surfaces.Type: GrantFiled: June 13, 1986Date of Patent: March 15, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Detlef Pauluth, Klaus Bofinger, Michael Romer, Bernhard Scheuble, Georg Weber
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Patent number: 4724097Abstract: New bicyclohexylethanes of formula IR1--Cy--Cy--CH2CH2--A--(Cy)n--R2 (I)wherein R1 is alkyl; R2 is alkyl, in which one or two non-adjacent CH.sub.2 groups can be replaced by 0 atoms, or is F, Cl, Br, CN, --COOalkyl or --O--CO--alkyl; or one of the radicals R.sup.1 and R.sup.2 can also be H; A is Cy, or 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 groups or by a CN group; Cy is 1,4-cyclohexylene and n is 0 or 1; the alkyl groups in each case containing 1-10 C atoms, with the proviso that n is 1 if A is Cy and R2 is CN, can be used as constituents of dielectrics for electrooptical display elements.Type: GrantFiled: May 21, 1986Date of Patent: February 9, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Michael Romer, Rudolf Fidenschink, Joachim Krause, Bernhard Scheuble, Georg Weber
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Patent number: 4722544Abstract: An axle and suspension assembly for mounting two unsteerable wheels of a motor vehicle comprises a crosspiece secured by means of elastic mounting bodies to a rigid structure of the vehicle. The mounting bodies have different stiffnesses in different directions in a generally horizontal plane. Two wheel carriers are linked to the crosspiece by means of two lower transverse control arms arranged at acute angles to each other, and, in addition, each wheel carrier is connected to the rigid structure by a longitudinal control arm. The crosspiece is also connected to the rigid structure of the vehicle by two diagonal struts.Type: GrantFiled: November 4, 1986Date of Patent: February 2, 1988Assignee: Steyr-Daimler-Puch AGInventor: Georg Weber
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Patent number: 4713197Abstract: Nitrogen-containing heterocyclic compounds of the formula IR.sup.I --(A--Z).sub.n --A--R.sup.2 Iwherein R.sup.1 and R.sup.2 in each case independently of one another are alkyl group with 1-15 C atoms, wherein one or two non-adjacent CH.sub.2 groups can also be replaced by 0 atoms and/or --CO-- group and/or --O--CO-- groups and/or --CO--O-- groups, and one of the radicals R.sup.1 and R.sup.2 can also be H, CN, F, Cl or Br, the groups A in each case independently of one another are a 1,4-phenylene group, wherein one or two CH groups can also be replaced by N atoms, a 1,4-cyclohexylene group, wherein one or two CH.sub.2 groups which are not adjacent can be replaced by 0 atoms, a 1,3-dithiane-2,5-diyl group, a 1,4-bicyclo(2,2,2)-octylene group, a decahydronapthalene-2,6-diyl group or a 1,2,3,4-tetrahydronaphthalene-2,6-diyl group, the group Z in each case independently of one another are --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.Type: GrantFiled: January 17, 1985Date of Patent: December 15, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Rudolf Eidenschink, Joachim Krause, Reinhard Hittich, Eike Poetsch, Bernhard Scheuble, Georg Weber, Ludwig Pohl
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Patent number: 4704227Abstract: Compounds of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 are each H, an alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl group with in each case 1-10 C atoms, F, Cl, Br, CN or R.sup.3 --A.sup.3 --Z.sup.2 --,A.sup.1 is --A--, --A.sup.4 --A--or --A--A.sup.4 --,A is a 1,3-dioxane-2,5-diyl or a 1,3-dithiane-2,5-diyl group,A.sup.2, A.sup.3 are each a 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl,and A.sup.4 1,3-dithiane-2,5-diyl, piperidine-1,4-diyl or 1,4-bicyclo(2,2,2)octylene group, or a 1,4-phenylene, pyrimidine-2,5-diyl or pyridazine-3,6-diyl group which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 groups and/or CN groups,Z.sup.1 and Z.sup.2 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.2 O or a single bond andR.sup.3 is H, an alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl group with in each case 1-10 C atoms, F, Cl, Br or CN, with the proviso that(a) at least one group A.sup.2, A.sup.Type: GrantFiled: February 15, 1985Date of Patent: November 3, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Joachim Krause, Andreas Wachtler, Reinhard Hittich, Georg Weber, Bernhard Scheuble
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Patent number: 4702562Abstract: Nematic liquid crystal phases containing at least one liquid-crystalline compound, which exhibits at least one discotic phase, are suitable for electro-optic display elements with high multiplexing rates.Type: GrantFiled: January 17, 1985Date of Patent: October 27, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Bernhard Scheuble, Rudolf Eidenschink, Georg Weber
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Patent number: 4693841Abstract: Carbonitriles of the formula I ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl group having 1-12 C atoms and wherein one or two CH.sub.2 groups/can be groups which are not adjacent replaced by --O--, --O--CO--, --CO--O-- and/or --CH.dbd.CH--, andA.sup.1 is a H or ##STR2## is a group of the formula 1 ##STR3## wherein R.sup.3 has one of the meanings of R.sup.1, can be used as components of liquid crystal phases.Type: GrantFiled: November 29, 1985Date of Patent: September 15, 1987Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Reinhard Hittich, Georg Weber, Wolfgang Sucrow, Peter Geschwinder
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Patent number: 4681587Abstract: A mastoprosthesis consists of a soft synthetic material member (1) formed after the shape of a natural breast, which member is provided on its back side with a cavity (2), into which a pad member (3) is inserted, which may consist of foam material or of fibers. The pad member (3) is held within cavity (2) for example by means of a rebound (or back salient) means (5) on the synthetic material member (1).Type: GrantFiled: November 4, 1985Date of Patent: July 21, 1987Assignee: Anita-Spezialmiederfabrik Dr. Helbig & Co.Inventors: Tertulin Eberl, Georg Weber-Unger
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Patent number: 4678283Abstract: Trialkanoyloxysilanes of the formula IR.sup.1 --A.sup.1 --A.sup.2 --O--C.sub.n H.sub.2n --Si(OOCR.sup.2) 3 Iwherein R.sup.1 is H or an alkyl group of 1-10 c atoms, wherein one or two non-adjacent CH.sub.2 groups may also be replaced by oxygen atoms, or is F, Cl, Br or CN, R.sup.2 is an alkyl group of 1-5 atoms, A.sup.1 and A.sup.2 are each 1,4-phenylene or 1,4-cyclohexylene groups and n is 2, 3, 4, 5 or 6, can be used for generating a homeotropic orientation of liquid-crystalline phases on surfaces.Type: GrantFiled: September 4, 1984Date of Patent: July 7, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Franz-Heinrich Kreuzer, Rudolf Eidenschink, Georg Weber
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Patent number: 4659502Abstract: Ethane derivatives of the formula IR.sup.1 --A.sup.1 --CH.sub.2 CH.sub.2 --A.sup.2 --(A.sup.3).sub.n --R.sup.2 IwhereinR.sup.1 is H, an alkyl group with 1-12 C atoms, in which one or two non adjacent CH.sub.2 groups can also be replaced by O atoms and/or CO groups and/or --O--CO-- groups and/or --CO--O groups, F, Cl, Br or R.sup.3 --A.sup.4 --Z.sup.1 --,R.sup.2 is --CN or --Z.sup.2 --A.sup.4 --CN,A.sup.1 is --A--, --A--A.sup.5 -- or --A.sup.5 --A--,A.sup.2 is an 1,4-phenylene group which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 groups and/or CN groups and in which one or two CH groups can also be replaced by N atoms,A is a 1,4-cyclohexylene group, in which one or two non adjacent CH.sub.2 groups can also be replaced by O atoms, or is a 1,3-dithiane-2,5-diyl group or 1,4-bicyclo(2,2,2)-octylene group,A.sup.3, A.sub.4 are each a 1,4-cyclohexylene group, in which one or two non adjacent CH.sub.Type: GrantFiled: January 17, 1985Date of Patent: April 21, 1987Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Julie E. Fearon, Wendy E. Smith, George W. Gray, David Lacey, Kenneth J. Toyne, Georg Weber
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Patent number: 4639328Abstract: Thienothiophene derivatives of the formula IR.sup.1 --(A.sup.1).sub.m --Z.sup.1 --A--(Z.sup.2 --A.sup.2).sub.n --R.sup.2 Iin which R.sup.1 and R.sup.2 are each H or an alkyl group having 1-12 C atoms, in which, furthermore, one or two non-adjacent CH.sub.2 groups can be replaced by O atoms, --CO-- or --CH.dbd.CH-- groups, or are each F, Cl, Br, CN, --COOR or --O--COR, A.sup.1 and A.sup.2 are each 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, 1,3-dithiane-2,5-diyl, tetrahydropyran-2,5-diyl, pyridazine-3,6-diyl or the corresponding N-oxide, piperidine-1,4-diyl, 1,4-bicyclo[2.2.2]octylene or pyrimidine-2,5-diyl groups which are unsubstituted or substituted by one or two F, Cl or Br atoms and/or CN groups and/or CH.sub.3 groups, A is a group of the formula 1 or 2 ##STR1## which is unsubstituted or substituted by one or two Cl and/or Br atoms, Z.sup.1 and Z.sup.2 are each --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --OCH.sub.2 --, --CH.sub.Type: GrantFiled: November 26, 1984Date of Patent: January 27, 1987Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Joachim Krause, Michael Romer, Georg Weber
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Patent number: 4622164Abstract: New bicyclohexyls of the formula IR.sup.1 --Cy--Cy--R.sup.2wherein R.sup.1 and R.sup.2 are each alkyl which has 1-10 C atoms and in which one or two CH.sub.2 group(s) can be replaced by O atoms, and Cy is 1,4-cyclohexylene,are suitable for use as the components of liquid-crystal dielectrics.Type: GrantFiled: June 14, 1984Date of Patent: November 11, 1986Assignees: Merck Patent Gesellschaft mit beschrankter Haftung, The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Rudolf Eidenschink, Michael Romer, Georg Weber, George W. Gray, Kenneth J. Toyne