Patents by Inventor Bernhard Sandner
Bernhard Sandner 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: 8231802Abstract: The invention concerns preparations based on water and/or organic solvents and their use as a finish on flat materials. An exemplary preparation includes: (1) 10-90 percent by weight of a fluorine containing oil- and water-repellent agent, (2) 10-80 percent by weight of a hydrophobic reaction product(S) obtainable by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate (IC), and (3) 0-45 percent by weight of a blocked or non-blocked di-, tri- or polyisocyanate.Type: GrantFiled: May 28, 2004Date of Patent: July 31, 2012Assignee: Rudolf GmbHInventors: Bernhard Sandner, Gunther Duschek
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Patent number: 7629415Abstract: This invention concerns highly concentrated self-emulsifying preparations containing organopolysiloxanes and alkylammonium compounds and use thereof in aqueous systems on textile substrates. More particularly, this invention concerns preparations consisting of fully or partially quaternized amino-functional organopolysiloxanes, quaternary alkylammonium compounds, if appropriate an organic hydrotrope and if appropriate water.Type: GrantFiled: December 17, 2003Date of Patent: December 8, 2009Assignee: Rudolf GmbH & Co. KG Chemische FabrikInventors: Bernhard Sandner, Cristina Stanica, Longying Jiang
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Patent number: 7354458Abstract: A composition based on water and/or organic solvents and their use as a finish on flat materials, comprising (1) 10-90% of a hydrophobic wax based component, (2) 10-90% of a hydrophobic reaction product prepared by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate and (3) ?0-45% by weight of a blocked or non-blocked di-, tri- or polyisocyanate and (4) optionally, an emulsifier. When used as a finish on flat materials, the composition can endow the treated flat materials with durable hydrophobic properties.Type: GrantFiled: September 14, 2004Date of Patent: April 8, 2008Assignee: Rudolf GmbH & Co., KG, Chemische FabrikInventors: Bernhard Sandner, Alfred Wilfling, Gunther Duschek
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Patent number: 7329707Abstract: This invention concerns preparations containing partially quarternized amino-functional organopolysiloxanes and use thereof in aqueous systems on textile substrates. The preparations contain (1) 2 to 60 percent by weight of a partially quartenized amino-functional organopolysiloxane, (2) 2 to 40 percent by weight of an emulsifier, (3) 0 to 15 percent of a hydrotrope and (4) 20 to 95 percent by weight of water, with the proviso that the total nitrogen content of component (1) is in the range from 0.05 to 2.0 percent by weight, based on the overall composition of component (1).Type: GrantFiled: November 13, 2003Date of Patent: February 12, 2008Assignee: Rudolf GmbH & Co. KG Chemische FabrikInventors: Bernhard Sandner, Cristina Stanica, Rainer Hayessen, Gunther Duschek
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Publication number: 20070012895Abstract: This invention concerns highly concentrated self-emulsifying preparations containing organopolysiloxanes and alkylammonium compounds and use thereof in aqueous systems on textile substrates. More particularly, this invention concerns preparations consisting of fully or partially quaternized amino-functional organopolysiloxanes, quaternary alkylammonium compounds, if appropriate an organic hydrotrope and if appropriate water.Type: ApplicationFiled: December 17, 2003Publication date: January 18, 2007Applicant: Rudolf GMBH & Co. KG Chemische FabrikInventors: Bernhard Sandner, Cristina Stanica, Longying Jiang
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Publication number: 20060151739Abstract: The invention concerns preparations based on water and/or organic solvents and their use as a finish on flat materials. An exemplary preparation includes: (1) 10-90 percent by weight of a fluorine containing oil- and water-repellent agent, (2) 10-80 percent by weight of a hydrophobic reaction product(S) obtainable by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate (IC), and (3) 0-45 percent by weight of a blocked or non-blocked di-, tri- or polyisocyanate.Type: ApplicationFiled: May 28, 2004Publication date: July 13, 2006Applicant: Rudolf Gmbh & Co. KGInventors: Bernhard Sandner, Gunther Duschek
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Publication number: 20060128880Abstract: This invention concerns preparations containing partially quarternized amino-functional organopolysiloxanes and use thereof in aqueous systems on textile substrates. The preparations contain (1) 2 to 60 percent by weight of a partially quartenized amino-functional organopolysiloxane, (2) 2 to 40 percent by weight of an emulsifier, (3) 0 to 15 percent of a hydrotrope and (4) 20 to 95 percent by weight of water, with the proviso that the total nitrogen content of component (1) is in the range from 0.05 to 2.0 percent by weight, based on the overall composition of component (1).Type: ApplicationFiled: November 13, 2003Publication date: June 15, 2006Applicant: Rudolf GMBH & Co. KG Chemische FabrikInventors: Bernhard Sandner, Cristina Stanica, Rainer Hayessen, Gunther Duschek
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Publication number: 20050085573Abstract: Preparations (Z) based on water and/or organic solvents and their use as a finish on flat materials are disclosed, comprising (1) 10-90% of a hydrophobic wax based component, (2) 10-90% of a hydrophobic reaction product (S) prepared by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate (IC) and (3) ?0-45% by weight of a blocked or non-blocked di-, tri- or polyisocyanate and (4) if appropriate customary emulsifiers. When used as a finish on flat materials, the preparations can endow the treated flat materials with durable hydrophobic properties.Type: ApplicationFiled: September 14, 2004Publication date: April 21, 2005Inventors: Bernhard Sandner, Alfred Wilfling, Gunther Duschek
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Publication number: 20040200006Abstract: The present invention relates to water-free preparations and their use as a sewing yarn finish which comprise (1) 70-98% by weight of a polydialkylsiloxane, (2) 1-29% by weight of a paraffin wax, (3) 0-6% by weight of a fatty acid having 8-22 carbon atoms, (4) 0-6% by weight of a fatty acid ester having 8-22 carbon atoms in the fatty acid radical and 3-22 carbon atoms in the fatty alcohol radical and also (5) 1-5% by weight of a mediator.Type: ApplicationFiled: April 23, 2004Publication date: October 14, 2004Applicant: Rudolf GmbH & Co. KGInventors: Bernhard Sandner, Rainer Hayessen, Barbara Semmler
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Patent number: 5112930Abstract: Modified polyurethanes containing perfluoroaliphatic groups which are obtained by reacting oligo(poly)urethanes containing free hydroxyl or isocyanate groups and perfluoroaliphatic groups with di/polyfunctional polysiloxanes at elevated temperatures with conversion of all the reactive groups of the urethane are used for the oil- and water-repellent finishing of fiber materials, conferring on these materials thus treated not only laundering- and drycleaning-stable effects but also in particular a very soft, full hand of very good surface smoothness, these excellent hand effects being further optimized by the addition of a polyethylene dispersion and/or of further customary textile assistants, in particular water-repellent fluorocarbon compounds.Type: GrantFiled: March 11, 1991Date of Patent: May 12, 1992Assignee: Ciba-Geigy CorporationInventors: Simpert Ludemann, Michael Bernheim, Bernhard Sandner, Erich Rossler, Hans-Burkhardt Vogel
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Patent number: 5019428Abstract: Modified polyurethanes containing perfluoroaliphalic groups which are obtained by reacting oligo(poly)urethanes containing free hydroxyl or isocyanate groups and perfluoroaliphatic groups with di/polyfunctional polysiloxanes at elevated temperatures with conversion of all the reactive groups of the urethane are used for the oil- and water-repellent finishing of fiber materials, conferring on these materials thus treated not only laundering- and drycleaning-stable effects but also in particular a very soft, full hand of very good surface smoothness, these excellent hand effects being further optimized by the addition of a polyethylene dispersion and/or of further customary textile assistants, in particular water-repellent fluorocarbon compounds.Type: GrantFiled: January 25, 1989Date of Patent: May 28, 1991Assignee: Ciba-Geigy CorporationInventors: Simpert Ludemann, Michael Bernheim, Bernhard Sandner, Erich Rossler, Hans-Burkhardt Vogel
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Patent number: 4834764Abstract: The present invention relates to a process for obtaining wash- and cleaning-resistant textile finishes by impregnating with customary reactive perfluoroalkyl-containing (co)polymers and/or precondensates in aqueous dispersion and concluding heating, wherein the dispersions have NCO-containing compounds which have a molecular weight of at least 450 and/or contain a diphenylmethane-based polyisocyanate mixture in blocked form.The process according to the invention has made it possible to equip textiles with water-repellant and oil-repellant finishes which are very highly wash- and cleaning-resistant.Type: GrantFiled: November 20, 1987Date of Patent: May 30, 1989Assignee: Ciba-Geigy CorporationInventors: Hans Deiner, Bernhard Sandner, Franz Mosch, Willy Bernheim
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Patent number: 4477498Abstract: The present invention relates to new condensation products of(A) 1 mole of a highly etherified hexamethylol melamine and(B) 3 to 6 moles of a thiol of the formulaR.sub.f --X--SH, (1)Rf standing for perfluorinated alkyl with 4 to 14 C-atoms and X for divalent ethylene or isopropylene radicals, wherein the components (A) and (B) are reacted under increasing temperature up to at least 145.degree. C. within a period of at least 40 minutes.In form of their aqueous dispersions, the condensation products are suitable for oil- and water-repellent finishing of fibrous, preferably textile materials.Type: GrantFiled: August 13, 1982Date of Patent: October 16, 1984Assignee: Ciba-Geigy CorporationInventors: Hans Deiner, Franz Mosch, Bernhard Sandner, Willy Bernheim
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Patent number: 4433027Abstract: Alkoxylation products in form of solutions in organic solvents or, preferably, in form of aqueous emulsions, stable against hydrolytic influences are used in a process for finishing textile materials to impart to these an excellent soft, superficially smooth fell connected with the improvement of tearing strength, abrasion resistance and sewability.The alkoxylation products are obtained by alkoxylation of hydrogen organopolysiloxanes, in particular of methyl hydrogen polysiloxanes with monovalent saturated and/or unsaturated alcohols having 4 to 22 C atoms.Type: GrantFiled: December 10, 1982Date of Patent: February 21, 1984Assignee: Ciba-Geigy CorporationInventors: Hans Deiner, Bernhard Sandner
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Patent number: 4153640Abstract: A process for the production of modified polymers, preferable in organic solvents, by radical-initiated polymerization of(Ia) 70 to 99.9 parts by weight of esters of the formulaCH.sub.2 .dbd.C(R)--COOR' (Ia)in which R is --H or --CH.sub.3 and R' are 1 to 18 C-alkyl radicals, at least 50% by weight of the esters of (Ia) being those in which R' are 1 to 4 C-alkyl radicals,(Ib) 0, 1 to 20 parts by weight of .omega.-hydroxyalkyl esters of acrylic, methacrylic, maleic and/or fumaric esters, the said dicarboxylic acids are possibly etherified on the second carboxylic group with 1 to 12 C-atoms containing alcohols and(Ic) 0 to 10 parts by weight of other unsaturated monomers, the sum of (Ia), (Ib) and (Ic) amounting to 100 parts by weight, in the presence of(II) 5 to 40 parts by weight of terminal blocked alkyl-hydrogen polysiloxanes, the alkyl radicals containing 1 to 4 carbon atoms, with a viscosity of 20 to 1000 cP at 20.degree. C.Type: GrantFiled: March 3, 1977Date of Patent: May 8, 1979Assignee: Ciba-Geigy CorporationInventors: Hans Deiner, Bernhard Sandner, Willy Bernheim
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Patent number: 4128675Abstract: An aqueous medium containing reactive polymers, the reactive groups being N-methylol and/or etherified N-methylol groups, preferably based on methylolated, etherified or not, unsaturated carboxylic acid amides, included by polymerization, the portion of said reactive monomers being preferably 2.5 to 20% by weight, related to the total weight of the polymers, is applied to textiles by impregnation or preferably by coating in the presence of silanes and/or siloxanes containing amino groups and organometallic compounds, preferably zinc soaps and/or dialkyl-tin dicarboxylates as hardening agents, and heated at elevated temperature. A waterproof and water-repellent finish is obtained, resistant to washing and dry cleaning.Type: GrantFiled: April 11, 1977Date of Patent: December 5, 1978Assignee: Ciba-Geigy CorporationInventors: Erich Rossler, Hans Deiner, Bernhard Sandner, Hans Schilling
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Patent number: 4004059Abstract: While good oil-repellency can be imparted to fibre materials by treating them with polymers containing perfluoralkyl groups, it is difficult to impart water-repellency to the fibre materials at the same time and also give the treated materials a good handle. This is achieved by treating the fibre materials with, besides the perfluoralkyl group-containing polymers, an addition product of a) an unsaturated compound which is an olefin, a vinyl or allyl ester of an aliphatic straight or branched chain acid, a vinyl ether whose alkyl radical has at least 4 carbon atoms, an allyl ether whose alkyl radical has at least 4 carbon atoms and/or a vinyl halide with b) an organopolysiloxane which contains hydrogen atoms bonded to silicon atoms, the addition product containing on average more than 7 carbon atoms in the alkyl radical and at least 0.20 mole of the unsaturated component a) per gram atom of hydrogen in the siloxane component b).Type: GrantFiled: February 4, 1975Date of Patent: January 18, 1977Assignee: Ciba-Geigy CorporationInventors: Hans Deiner, Bernhard Sandner, Willy Bernheim
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Patent number: 3949136Abstract: New fluorine-containing organopolysiloxanes are provided which are obtained by reaction in known manner of organopolysiloxanes which contain hydrogen atoms bonded to silicon, a perfluoroalkyl compound for the formulaR.sub.f -- SO.sub.2 -- NH -- CH.sub.2 -- CH = CH.sub.2wherein R.sub.f represents perfluoroalkyl with 6 to 14 carbon atoms, and optionally a fluorine-free vinyl monomer. These new addition products are useful as oil- and water repellents for fibrous textile materials.Type: GrantFiled: March 24, 1975Date of Patent: April 6, 1976Assignee: Ciba-Geigy AGInventors: Hans Deiner, Franz Mosch, Bernhard Sandner, Willy Bernheim