Patents by Inventor Werner Hubel
Werner Hubel 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: 5013201Abstract: A traveling continuous conveyor for bulk materials for unloading ships and removing heaps of bulk material. A steep conveyor is provided including a carrying belt (3) and a cover belt (4) which are integrated in the conveyor device. The bulk material is cast by two casting drums (8a and 8b) into the lower gap between the carrying belt (3) and the cover belt (4), in any position of the support frame relative to a surface of the bulk material. Computer-controlled linear drives (6, 15, 17, 20, and 22) are provided, with which the position of the casting drums 8a and 8b) relative to each other and to the layer of bulk material to be removed, e.g., height adjustment to the inclination plane of the bulk material, is facilitated.Type: GrantFiled: April 23, 1990Date of Patent: May 7, 1991Assignee: MAN GutehoffnungshutteInventors: Hartmut Grathoff, Werner Hubel
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Patent number: 4668780Abstract: Isocyanate-uretdiones having the formula: ##STR1## wherein the R groups are identical or different and are hydrocarbon groups having the formulas: ##STR2## and n is an integral or fractional number from 1 to 5. Production of the isocyanate-uretdiones, which can be dissociated by heat up to an extent of greater than 70%, is accomplished through dimerization of aliphatic diisocyanates having the formula: ##STR3## with a phosphine catalyst having the formula:X.sub.m P(NR.sub.2).sub.3-mwherein:m is 0, 1 or 2;x is a --Cl, --OR or --R group, wherein R is identical or different alkyl-, arylalkyl-, cycloalkyl, or alkyl-substituted cycloalkyl groups. The reaction temperatures are 0.degree.-80.degree. C.The reaction product is subjected to thin-layer distillation after a conversion of 5-70%, by weight, without deactivation of the catalyst. The compounds of the present invention are useful as intermediates in the production of starting materials for the production of polyurethanes.Type: GrantFiled: January 28, 1986Date of Patent: May 26, 1987Assignee: Chemische WerkeInventors: Josef Disteldorf, Werner Hubel, Elmar Wolf
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Patent number: 4549991Abstract: This invention relates to a process for the production of organic isocyanates by the continous hot phosgenation of amines, whereby the solids are retained in the reactor by an appropriate separator and the isocyanate formed during the reaction is constantly removed from the reactor. Preferably the amount of solids of the suspension in the reactor is set so that the amount of the isocyanate taken off per unit of time reaches a maximum.Type: GrantFiled: October 11, 1983Date of Patent: October 29, 1985Assignee: Chemische Werke Huls AktiengesellschaftInventors: Josef Disteldorf, Werner Hubel, Johannes Reiffer
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Patent number: 4526971Abstract: A process for producing polyalkylpiperidylamines of the formula (I): ##STR1## wherein R.sub.1 is hydrogen or a C.sub.1 -C.sub.12 alkylradical; R.sub.2 and R.sub.3 are each C.sub.1 -C.sub.5 alkylradicals or R.sub.2 and R.sub.3, taken together, are --(CH)--.sub.a or --CH.sub.2 --NR.sub.1 --C(R.sub.5,R.sub.6)--CH.sub.2 --; R.sub.4 is a C.sub.2 -C.sub.18 alkylene radical, which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkyl; a C.sub.5 -C.sub.12 cycloalkylene radical, which is unsubstituted or is methyl-substituted; a cycloalkylene radical of the formula ##STR2## where the cyclohexyl rings are unsubstituted or are methyl-substituted; or groups of the formula --(CH.sub.2).sub.k --X--[CH.sub.2).sub.m --X]--.sub.n (CH.sub.2).sub.p --, where X is --O--, --NH--, --NR.sub.5 and R.sub.5 and R.sub.6 are each a C.sub.1 -C.sub.Type: GrantFiled: March 30, 1984Date of Patent: July 2, 1985Assignee: Chemische Werke Huls AktiengesellschaftInventors: Josef Disteldorf, Manfred zur Hausen, Werner Hubel, Gunter Kriebel
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Patent number: 4483798Abstract: A method for producing a polyaddition product of isophorone diisocyanate and diols which comprises, reacting a uretidione group-containing dimer of isophoronediisocyanate, which is decomposable by heat into 98% isophorone diisocyanate, with a diol, wherein the ratio of NCO to OH groups is such that the final polyaddition product has free terminal NCO groups, or free terminal OH groups.Type: GrantFiled: August 13, 1981Date of Patent: November 20, 1984Assignee: Chemische Werke Huls AktiengesellschaftInventors: Josef Disteldorf, Rainer Gras, Werner Hubel, Elmar Wolf, Horst Schnurbusch
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Patent number: 4476054Abstract: A process for producing a substantially isocyanurate-free uretidione dimer of isophorone diisocyanate, which is more than 98% decomposable by heat to isophorone diisocyanate, which comprises dimerizing isophorone diisocyanate, optionally in an inert organic solvent, in the presence of a catalyst of the formula X.sub.m P(NR.sub.2).sub.3-m wherein m=0, 1, 2; X=Cl OR of R wherein R is selected from the group consisting of the same or different aklyl radical, aralkyl radical, cycloalkyl radical, substituted cycloalkyl radical and radicals wherein two or more of the aforementioned radicals form a hererocyclic ring together with the nitrogen atom; at temperatures of 0.degree.-80.degree. C., isolating the resulting 1,3-diazacyclobutane-2,4-dione, after 5-70% conversion, without previous inactivation of the catalyst, from the reaction mixture as the residue of a thin film distillation and isolating the catalyst and monomer as the distillate.Type: GrantFiled: August 13, 1981Date of Patent: October 9, 1984Assignee: Chemische Werke Huls AGInventors: Josef Disteldorf, Werner Hubel, Elmar Wolf
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Patent number: 4469867Abstract: Polyisocyanatoisocyanurates of the formula ##STR1## wherein the R groups may be the same or different and are aliphatic divalent radicals selected from the group consisting of divalent aliphatic radicals having the formulas ##STR2## and n is a whole or fractional number from 1 to 5, are useful as isocyanate hardeners in polyurethane resin coatings.Type: GrantFiled: December 30, 1982Date of Patent: September 4, 1984Assignee: Chemische Werke Huls AktiengesellschaftInventors: Josef Disteldorf, Werner Hubel, Elmar Wolf
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Patent number: 4463154Abstract: A polyurethane powder enamel free of volatile cleavage products comprising an adduct of the uretidinedione dimer of isophorone diisocyanate with a diol, wherein the adduct has the formula ##STR1## wherein R= ##STR2## X=NCO or ##STR3## R"=a divalent aliphatic, cycloaliphatic, aromatic or araliphatic hydrocarbon radical or a diol, n>1, andR'=a monoalcohol radical or primary or secondary monoamine radical with 1-30 C-atoms, wherein the NCO/OH ratio of the dimer to the diol is from 1:0.5 to 1:0.9, the dimer/diol molar ratio is from 2:1 to 6:5, the average molecular weight is between 550 and 4300, and the melting point is .gtoreq.70.degree. C. and .ltoreq.130.degree. C., and wherein the uretidinedione groups present in the adduct are cleavable with heat into .gtoreq.98% --NCO groups, and a polyol having an OH functionality .gtoreq.3.4 to .ltoreq.7, an average molecular weight of 2000 to 5000, an OH number between 30 and 100 mg KOH/g, a viscosity of <100,000 mpa.s at 160.degree. C., and a melting point .Type: GrantFiled: January 25, 1983Date of Patent: July 31, 1984Assignee: Chemische Werke Huels AGInventors: Josef Disteldorf, Rainer Gras, Horst Schnurbusch, Werner Hubel, Elmar Wolf
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Patent number: 4454317Abstract: In a process for the trimerization of diisocyanates in the presence of a catalyst comprising quaternary ammonium salts of organic acids having the formula: ##STR1## wherein X represents the same or different radicals selected from the group consisting of C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.8 cycloalkyl, and C.sub.2 -C.sub.20 aralkyl; two X radicals taken together with at least one other heteroatom forming a hetero-ring and three X radicals taken together with the quaternary nitrogen atoms forming a hetero-ring through a common hetero-atom such that said heterocyclic ring structure is selected from the group consisting of triethylene diamine, methyl triethylene diamine, quinuclidine, N-methylmorpholine, N-ethylmorpholine, and N,N'-dimethylpiperazine; R is alkyl, cycloalkyl or aralkyl, R" is R or hydrogen; R+R" together form a C.sub.1 -C.sub.12 alkyl radical; R' is hydrogen, hydroxyl or a C.sub.1 -C.sub.12 alkyl radical, optionally containing a CH.sub.(3-b) Z.sub.Type: GrantFiled: July 23, 1982Date of Patent: June 12, 1984Assignee: Chemische Werke Huls AktiengesellschaftInventors: Josef Disteldorf, Werner Hubel, Elmar Wolf
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Patent number: 4430474Abstract: A stoving enamel comprising (a) 30-70% by weight of a mixture of a polymer containing hydroxyl groups having a hydroxyl number between 40 and 240 mg KOH/g with an isocyanurate-free derivative of isophorone diisocyanate containing uretidinedione groups and blocked isocyanate groups, (b) 0-3% by weight of a cross-linking catalyst, (c) 30-60% by weight of an organic solvent, (d) 0-65% by weight of a filler or pigment, (e) 0-5% by weight of a dye, and (f) optionally 0.1-3% by weight of leveling agents, gloss improvers, antioxidants, and/or stabilizers, has improved storage stability, reduced curing time and reduced liberation of blocking agent during cure.Type: GrantFiled: August 13, 1981Date of Patent: February 7, 1984Assignee: Chemische Werke Huels AGInventors: Horst Schnurbusch, Rainer Gras, Elmar Wolf, Josef Disteldorf, Werner Hubel
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Patent number: 4429157Abstract: Primary amines and/or diamines can be prepared from oxo compounds, optionally containing additional reducible groups, by a process comprising:(1) reacting the oxo compound with ammonia in the presence of an imine-forming catalyst, preferably an ion exchanger loaded with ammonia ions, at a temperature of 10.degree. to 120.degree. C. and a pressure of 1 to 300 bar, whereby a Schiff base is formed; and(2) reducing the Schiff base by reaction with ammonia and hydrogen in the presence of a hydrogenation catalyst.Type: GrantFiled: June 10, 1981Date of Patent: January 31, 1984Inventors: Josef Disteldorf, Werner Hubel, Lothar Broschinski
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Patent number: 4382555Abstract: A device for the fast changing of the operating method of field spraying units on wheels, wherein the field spraying unit has a socket and an attachment unit is connected thereto via a quick-acting coupling having a first coupling part with a universal nozzle and a prefilter, the attachment unit being connected with a second coupling part.Type: GrantFiled: May 9, 1980Date of Patent: May 10, 1983Inventors: Bruno Ucinhazska, Josef Disteldorf, Werner Hubel, Siegfried Brandt, Hans-Jurgen Haage
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Patent number: 4373088Abstract: Transparent polyamides have repeating structural units of the formula--HN--R--NH--OC--R'--CO--wherein R' is the hydrocarbon radical of terephthalic acid or isophthalic acid and R comprises 60-95 mole percent of a divalent hydrocarbon radical including 5-methylnonamethylene, 2,4-dimethyloctamethylene and 2,4,6-trimethylheptamethylene and 40-5 mole percent of a cyclic divalent hydrocarbon radical of the formula ##STR1## The polyamides so prepared can be used for building components and for fibers and sheets.Type: GrantFiled: May 9, 1980Date of Patent: February 8, 1983Inventors: Josef Disteldorf, Werner Hubel, Siegfried Brandt, Hans-Jurgen Haage
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Patent number: 4283535Abstract: A method of preparing 2,4,6-triketohexahydrotriazines which comprises catalytically trimerizing an organic isocyanate at 60.degree.-150.degree. C. in an inert, polar solvent present in an amount of 5-40 weight % with respect to the quantity of said isocyanate, in the presence of 0.1-5 weight % of a catalyst of the formula ##STR1## or hydrated derivatives of said catalyst, wherein R is selected from the group consisting of hydrogen and C.sub.1 -C.sub.4 alkyl, and Me.sup.+2 is a bivalent metal cation; interrupting the trimerization at a conversion of about 50% by cooling; and then isolating the 2,4,6-triketohexahydrotriazine.Type: GrantFiled: May 14, 1979Date of Patent: August 11, 1981Assignee: Chemische Werke Huls AGInventors: Josef Disteldorf, Werner Hubel, Elmar Wolf
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Patent number: 4151338Abstract: A method for the preparation of high-melting resins which comprises polymerizing a butadiene-rich C.sub.4 -cut of C.sub.4 -olefins with a liquified protonated Friedel-Crafts catalyst of the formulaAlX.sub.n R.sub.m.HXwhereinX=cl, Br, I;R=c.sub.1 -c.sub.4 alkyl or isoalkyl group;N=1-3;M=0-2;Wherein the catalyst is liquified with alkyl benzenes containing C.sub.1 -C.sub.4 alkyl or isoalkyl groups and wherein the C.sub.4 -olefin cut is used with a content of from 50-70% of 1,3-butadiene and the polymerization takes place at 35.degree.-80.degree. C. The high-melting resin obtained by the aforementioned method.Type: GrantFiled: April 17, 1978Date of Patent: April 24, 1979Assignee: Veba-Chemie AktiengesellschaftInventors: Gunter Hasser, Werner Hubel, Werner Nagengast, Josef Disteldorf, Horst Schnurbusch
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Patent number: 3953517Abstract: Methyl isobutyl ketone is produced in a one-step process by contacting acetone and hydrogen at a temperature of from about 50.degree.-200.degree.C and a pressure between 50-100 atm, preferably 60-100 atm, in the presence of a catalyst composed of a cation exchange resin having from 0.001 to 0.1 weight percent of a noble metal distributed in monoatomic form therein.Type: GrantFiled: July 10, 1973Date of Patent: April 27, 1976Assignee: Veba-Chemie AktiengesellschaftInventors: Karl Schmitt, Josef Disteldorf, Werner Flakus, Werner Hubel