Patents by Inventor Hermann Nachbur
Hermann Nachbur 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: 4921535Abstract: A heat-sensitive recording material whose color reactant system comprises a color former, a developer for said color former and, in addition, a sulfamide compound of formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen, alkyl containing not more than 12 carbon atoms which is unsubstituted or substituted by halogen, hydroxy, cyano or lower alkoxy; C.sub.5 -C.sub.10 cycloalkyl; phenalkyl, phenyl or naphthyl, each unsubstituted or ring-substituted by halogen, cyano, lower alkyl or lower alkoxy, or --NR.sub.2 R.sub.3 is 5- or 6-membered, preferably saturated, heterocyclic radical; with the proviso that R.sub.1, R.sub.2 and R.sub.3 may not simultaneously by hydrogen.Type: GrantFiled: June 13, 1988Date of Patent: May 1, 1990Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Rosalinde Braun
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Patent number: 4754063Abstract: The invention relates to metal salicylates of the formula ##STR1## wherein Me is a metal ion of valency n,n is 2, 3 or 4, andeach of the rings A and B independently of the other is unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or an .alpha.-methylbenzyl radical.The metal salicylates are particularly suitable developers for the color former in pressure-sensitive or heat-sensitive recording materials.Type: GrantFiled: May 20, 1987Date of Patent: June 28, 1988Assignee: Ciba-Geigy CorporationInventor: Hermann Nachbur
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Patent number: 4748259Abstract: Mixtures of a metal salt of formula ##STR1## and a metal salt of formula ##STR2## in which formulae (1) and (2) Me is a metal ion of valency n,n is 2, 3 or 4, andeach of the rings A and B independently of the other is unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or an .alpha.Type: GrantFiled: September 26, 1986Date of Patent: May 31, 1988Assignee: Ciba-Geigy CorporationInventor: Hermann Nachbur
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Patent number: 4745203Abstract: Mixtures of a metal salt of formula ##STR1## and a metal salt of formula ##STR2## in which formulae (1) and (2) Me is a metal ion of valency n,n is 2, 3 or 4, andeach of the rings A and B independently of the other is unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or an .alpha.Type: GrantFiled: September 26, 1986Date of Patent: May 17, 1988Assignee: Ciba-Geigy CorporationInventor: Hermann Nachbur
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Patent number: 4716424Abstract: A pressure- or heat-sensitive recording material which, in its color reactant system, contains as a color developer for the color former, at least one substituted resorcinol compound of the formula ##STR1## or a corresponding zinc or aluminium salt, in which R is a carboxyl- or aroyl-free substituent which has a positive Hammett para-sigma value and which is capable of forming, together with the adjacent hydroxyl group, an intramolecular hydrogen bond in the form of a six-membered ring.Type: GrantFiled: May 13, 1983Date of Patent: December 29, 1987Assignee: Ciba-Geigy CorporationInventors: Jean C. Petitpierre, Hermann Nachbur, Albert Wurmli
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Patent number: 4687869Abstract: The invention relates to metal salicylates of the formula ##STR1## wherein Me is a metal ion of valency n,n is 2, 3 or 4, andeach of the rings A and B independently of the other is unsubstituted or substituted by halogen, lower alkyl, lower alkoxy or an .alpha.-methylbenzyl radical.The metal salicylates are particularly suitable developers for the color former in pressure-sensitive or heat-sensitive recording materials.Type: GrantFiled: October 11, 1985Date of Patent: August 18, 1987Assignee: Ciba-Geigy CorporationInventor: Hermann Nachbur
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Patent number: 4611072Abstract: A heat-sensitive recording material which comprises in its color reactant system, as developer for the color former, at least one aluminum or zinc phenate of a phenolsulfonyl compound of the formula ##STR1## wherein R is C.sub.1 -C.sub.12 alkyl, cycloalkyl, phenyl, benzyl, or phenyl which is substituted by halogen, lower alkyl, lower alkoxy, nitro or methylenedioxy, andX is hydrogen, halogen, lower alkyl or lower alkoxy.Type: GrantFiled: June 5, 1985Date of Patent: September 9, 1986Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Christel Tempel
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Patent number: 4536779Abstract: A heat-sensitive recording material which comprises in its color reactant system, as developer for the color former, at least one aluminum or zinc salt of a phenolsulfonyl compound of the formula ##STR1## wherein R is C.sub.1 -C.sub.12 alkyl, cycloalkyl, phenyl, benzyl, or phenyl which is substituted by halogen, lower alkyl, lower alkoxy, nitro or methylenedioxy, andX is hydrogen, halogen, lower alkyl or lower alkoxy.Type: GrantFiled: December 1, 1983Date of Patent: August 20, 1985Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Christel Tempel
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Patent number: 4487800Abstract: Novel phosphonic acid salts produced from ethane- or methanephosphonic acid, dicyandiamide and/or guanidine and optionally ammonia and corresponding to the formula ##STR1## wherein n, p, q, t and y are each 1 or 2, are particularly suitable for fireproofing organic fibre materials. Synthetic and/or cellulose-containing fibre materials are treated with an aqueous solution of the phosphonic acid salts and are then dried preferably at 60.degree. to 200.degree. C. The applied phosphonic acid salts impair only negligibly the textile-mechanical properties of the treated fibre materials, especially of the cellulose-containing fibre materials dried at 120.degree. to 150.degree. C.Type: GrantFiled: August 29, 1983Date of Patent: December 11, 1984Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Christian Guth
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Patent number: 4452849Abstract: Novel phosphonic acid salts produced from ethane- or methanephosphonic acid, dicyandiamide and/or guanidine and optionally ammonia and corresponding to the formula ##STR1## wherein n, p, q, t and y are each 1 or 2, are particularly suitable for fireproofing organic fibre materials. Synthetic and/or cellulose-containing fibre materials are treated with an aqueous solution of the phosphonic acid salts and are then dried preferably at 60.degree. to 200.degree. C. The applied phosphonic acid salts impair only negligibly the textile-mechanical properties of the treated fibre materials, especially of the cellulose-containing fibre materials dried at 120.degree. to 150.degree. C.Type: GrantFiled: January 26, 1982Date of Patent: June 5, 1984Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Christian Guth
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Patent number: 4288489Abstract: A process for the non-permanent flameproofing of organic fibrous materials with monoammonium or monoalkali metal salts of an alkylphosphonic acid is claimed. Monoammonium methyl- and ethylphosphonate are also claimed. The claimed process is suitable for a very wide variety of fibrous materials. The flame-retardants used according to the invention have no corrosive action and have excellent compatability with most other textile finishing agents.Type: GrantFiled: January 31, 1979Date of Patent: September 8, 1981Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Peter Rohringer
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Patent number: 4243418Abstract: A process for fireproofing polyester fibers is provided in which a substituted mono- or disulphurylamide of the formula ##STR1## wherein n is 1 or 2, R are aromatic, cycloaliphatic or aliphatic radicals or hydrogen and A is alkylene or an ammonium salt of such a sulphurylamide is applied to the fiber material which is then dried and subjected to a heat treatment. The sulphurylamide may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.Type: GrantFiled: September 21, 1978Date of Patent: January 6, 1981Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Armin Hiestand, Peter Rohringer
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Patent number: 4211814Abstract: The invention provides a fireproofing composition which contains at least(a) a bromine compound of the formula ##STR1## wherein A.sub.1 and A.sub.2 are cycloalkyl,R is alkylene,m and n each are an integer from 2 to 7, andp is an integer from 1 to 5;(b) optionally a brominated cycloalkane;(c) a dispersing agent;(d) optionally a protective colloid; and(e) optionally water.This fireproofing composition is used for fireproofing synthetic fiber material.Type: GrantFiled: August 8, 1978Date of Patent: July 8, 1980Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Peter Rohringer
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Patent number: 4196260Abstract: A process is provided for flameproofing cellulosics in which an aqueous solution is applied thereto which contains(A) the phosphorinane of the formula ##STR1## (B) an aminoplast precondensate, e.g. a methylolmelamine, and, optionally, (C) a latent acid catalyst, e.g. 2-amino-2-methyl-1-propanolchloride.The cellulosics, e.g. textiles containing natural or regenerated cellulose, are then dried up to 100.degree. C. and subjected to a heat treatment above 100.degree. C., e.g. at 130.degree. to 200.degree. C.Type: GrantFiled: February 28, 1978Date of Patent: April 1, 1980Assignee: Ciba-Geigy CorporationInventor: Hermann Nachbur
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Patent number: 4185037Abstract: The subject of the invention is a process for the manufacture of polycondensation products of hydroxymethylphosphonium compounds and an amine, characterized in that (a) 1 mol of a tetrakis-(hydroxymethyl)-phosphonium compound is condensed with 0.02 to 0.3 mol, preferably 0.02 to 0.25 mol, of an amine at 100.degree. to 150.degree. C., optionally in the presence of an inert organic solvent, if appropriate free hydroxyl groups are at least partially etherified with at least one alkanol with 1 to 4 carbon atoms and if appropriate the salts of the polycondensation products are converted into the corresponding hydroxides.The condensation products are used for flameproofing organic fiber material, especially textiles.Type: GrantFiled: November 24, 1978Date of Patent: January 22, 1980Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Arthur Maeder
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Patent number: 4178398Abstract: Reaction products containing at least two amidophosphate radicals are disclosed. They have been produced from(1) an amidophosphate of the formula ##STR1## wherein R.sub.1 is lower alkyl or both R.sub.1 's together are lower alkylene,(2) formaldehyde,(3) optionally an aliphatic diol with 2 to 6 carbon atoms,(4) optionally a lower alkanol.If a diol according to (3) has been used, R.sub.1 in the amidophosphate according to (1) can also be lower alkenyl or halogenoalkyl.The disclosed reaction products are suitable for flameproofing organic fibre materials, especially cellulosic textiles.Type: GrantFiled: March 23, 1978Date of Patent: December 11, 1979Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Peter Rohringer
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Patent number: 4128687Abstract: A process for fireproofing polyester fibers is provided in which a substituted mono- or disulphurylamide of the formula ##STR1## wherein n is 1 or 2, R are aromatic, cycloaliphatic or aliphatic radicals or hydrogen and A is alkylene or an ammonium salt of such a sulphurylamide is applied to the fiber material which is then dried and subjected to a heat treatment. The sulphurylamide may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.Type: GrantFiled: June 20, 1977Date of Patent: December 5, 1978Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Armin Hiestand, Peter Rohringer
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Patent number: 4094929Abstract: Reaction products containing at least two amidophosphate radicals are disclosed. They have been produced from(1) an amidophosphate of the formula ##STR1## wherein R.sub.1 is lower alkyl or both R.sub.1 's together are lower alkylene,(2) formaldehyde,(3) optionally an aliphatic diol with 2 to 6 carbon atoms,(4) optionally a lower alkanol.If a diol according to (3) has been used, R.sub.1 in the amidophosphate according to (1) can also be lower alkenyl or halogenoalkyl.The disclosed reaction products are suitable for flameproofing organic fibre materials, especially cellulosic textiles.Type: GrantFiled: May 10, 1976Date of Patent: June 13, 1978Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Peter Rohringer
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Patent number: 4059532Abstract: Phosphorus-containing reaction products are provided which are formed from:A. an amidophosphate of the formula ##STR1## in which R.sub.1 and R.sub.2 each are lower alkyl, halogenoalkyl or alkenyl or R.sub.1 and R.sub.2 together are lower alkylene;B. a 1,3,5-triazine substituted by at least 2 primary amino groups;C. formaldehyde and, optionally,D. a lower alkanol.These phosphorus-containing reaction products are useful as flameproofing agents for cellulose-containing fiber materials.Type: GrantFiled: December 5, 1975Date of Patent: November 22, 1977Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Peter Rohringer
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Patent number: 4055689Abstract: Process for flameproofing organic material, which comprises applying to said material a preparation containing a phosphate of the formula ##STR1## wherein X is phenyl or substituted phenyl, R.sub.1 and R.sub.2 each is bromoalkylene, then drying the material and subjecting it to heat treatment.Type: GrantFiled: January 12, 1976Date of Patent: October 25, 1977Assignee: Ciba-Geigy CorporationInventors: Hermann Nachbur, Arthur Maeder