Patents by Inventor Francis Palacin
Francis Palacin 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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Publication number: 20090235468Abstract: The instant invention relates to new polymers which enhance the wet slipping properties of textiles and thus reduce friction during the treatment process. The polymers are produced from the reaction product of diamines with a polyoxyalkylene glycidyl ether and dicarboxylic acids. Advantageously the instant polymers are used in aqueous emulsions which may contain further additives.Type: ApplicationFiled: June 7, 2006Publication date: September 24, 2009Inventors: Qian Tang, Francis Palacin
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Publication number: 20070151048Abstract: The use of polymeric etheramines (P) as aftertreatment agents for dyeings or colour prints obtained with at least one water soluble dye (F) on textile fibrous material (T), especially for improving their fastness to chlorine, the process for producing the aftertreated dyeings and colour prints, and particular aftertreatment compositions, as defined in the Claims.Type: ApplicationFiled: December 23, 2004Publication date: July 5, 2007Inventors: Francis Palacin, Qian Tang
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Patent number: 6989360Abstract: Aqueous textile fiber degreasing agents (WE) essentially consisting of (A) at least one amine oxide of the average formula ?as defined in claim 1, (B) at least one hexanediol, (C) at least one secondary, branched or cyclic hexanol, (D) at least one aminosurfactant of the average formula ?as defined in claim 1 and (E) water, and optionally at least one formulation additive (F), their production and use, particularly under alkaline conditions, in textile goods production.Type: GrantFiled: July 9, 2002Date of Patent: January 24, 2006Assignee: Clariant Finance (BVI) LimitedInventors: Bernard Danner, Francis Palacin
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Patent number: 6858044Abstract: Use of (PA) water-dispersible or colloidally soluble polyamides which contain hydrophilic polyalkylene glycol ether chains in the skeletal structure as wet-acting lubricants in the treatment of textile piece goods in rope or tubular form with a textile treatment agent (T) by exhaust methods from aqueous liquor under conditions which would otherwise in the textile substrate favor the formation of transport folds and/or the occurrence of friction in or on the substrate, particularly as wet-acting lubricants in the dyeing of polyamides in the jet, the corresponding wet-acting lubricants, certain polyamide preparations and certain polyamides, and their production.Type: GrantFiled: September 21, 2000Date of Patent: February 22, 2005Assignee: Clariant Finance (BVI) LimitedInventors: Bernard Danner, Francis Palacin
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Publication number: 20040186040Abstract: Aqueous textile fibre degreasing agents (WE) essentially consisting ofType: ApplicationFiled: January 9, 2004Publication date: September 23, 2004Inventors: Bernard Danner, Francis Palacin
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Patent number: 6736865Abstract: Aqueous dispersions (L) comprising: (a) a wax which is (a1) a carboxyl-containing hydrocarbon wax or a mixture of such waxes or a mixture of (a1) and (a2) at least one unmodified hydrocarbon wax, (b) a (co)poly(meth)acrylamide or (co)poly-(meth)acrylamide mixture which is (b1) at least one macro(co)poly-(meth)acrylamide, which optionally contains carboxyl-containing comonomers, having an average molecular weight {overscore (M)}W=n·106, where n≧10, or a mixture of (b1) and (b2) at least one (co)poly(meth)-acrylamide, which optionally contains carboxyl-containing comonomers, having an average molecular weight {overscore (M)}W<10·106, and (d) a dispersant system consisting of amphoteric, anionic and/or nonionic surfactants, are surprisingly useful as highly effective crease mark inhibitors having an extremely surfacy effect and are also suitable for particularly short liquors, for example in winch becks and jet-dyeing machines.Type: GrantFiled: December 18, 2000Date of Patent: May 18, 2004Assignee: Clariant Finance (BVI) LimitedInventors: Bernard Danner, Francis Palacin
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Patent number: 5873911Abstract: Polymeric, water soluble, quaternary ammonium compounds (F) obtainable by quaternization of(a) at least one amino-group-containing urea compound that contains one or more groups of the formula--NH--CO--NH--G--L-- (.alpha.)in which G signifies a bridging groupand L signifies a tertiary, quaternizable amino groupwith(b) (b.sub.1) an epihalohydrin and optionally(b.sub.2) at least one further quaternizing agentto a quaternized product (q)and reaction of the quaternized product (q) with(c) a dialdehyde of formula (I) ##STR1## in which Z signifies methylene or the direct bond, or a urea derivative thereof, are suitable as fixing adjuvants in particular in continuous processes under nearly neutral to acidic conditions especially for the improvement of wet fastnesses of dyeings on hydrophilic fibrous material.Type: GrantFiled: August 14, 1997Date of Patent: February 23, 1999Assignee: Clariant Finance (BVI) LimitedInventors: Bernard Danner, Francis Palacin
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Patent number: 5851236Abstract: Aqueous, homogeneous 20 to 60% solutions (L) of mixtures of(A) copolymers of(x) (meth)acrylic acidwith (y) maleic acid or maleic acid anhydride in the molar ratio (x)/(y)=0.7/1 to 7/1, with an average molecular weight M.sub.w in the range of from 500 to 500'000, as free acids and/or sodium saltsand (B) Nitrilotriacetic acid as free acid and/or sodium salt,in which the weight ratio (A)/(B) is in the range of from 1/1 to 1/10 at least 25% of the total carboxy groups are present as sodium salt and the pH of (L) is in the range of from 5 to 11, are suitable as adjuvants for the treatment of fibrous material, in particular as scouring agents for dyeings of hydrophilic fibrous material.Type: GrantFiled: August 14, 1997Date of Patent: December 22, 1998Assignee: Clariant Finance (BVI) LimitedInventors: Bernard Danner, Francis Palacin
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Patent number: 5772920Abstract: Compositions of water insoluble U.V. absorbers can be improved by the addition of a non-ionic surfactant which is an addition product of ethylene oxide or propylene oxide or both ethylene oxide and propylene oxide, and a mixture of fatty alcohols, fatty acids or fatty esters having 7-20 carbon atoms, preferably 14-18 carbon atoms or either tristyrylphenol or distyrylphenol. Such compositions have a good storage stability and excellent shear stability when the substrate to be dyed is a yarn which is in packed form.Type: GrantFiled: July 15, 1996Date of Patent: June 30, 1998Assignee: Clariant Finance (BVI) LimitedInventors: Michael Best, Jean-Luc Mura, Francis Palacin
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Patent number: 5601746Abstract: Aqueous dispersions (D) of a wax (W) dispersed in the aqueous phase by means of a dispersant (B), wherein in (D)the wax (W) is(A) an oxidized hydrocarbon wax or a mixture of oxidized hydrocarbon waxesor a mixture or (A) and at least one non-oxidized hydrocarbon wax (P), the acid number of which is.gtoreq.5,and the dispersant (B) isa non-ionogenic, anionic, cationic or amphoteric surfactant or a mixture of two or more of these surfactants, which displays an HLB.gtoreq.7,and the dispersion (D) optionally contains at least one protective colloid (C), at least one agent (E) for pH-adjustment, at least one antifreeze agent (F) and/or at least one preserving agent (D), but is substantially free of other waxes than (A) and (P) and of other surfactants than (B) and (C),are eminently suitable as wet lubricants that are very stable to temperature modifications and to high electrolyte concentrations, especially as occurring in pretreatment and in dyeing of cellulosic substrates.Type: GrantFiled: September 26, 1994Date of Patent: February 11, 1997Assignee: Sandoz Ltd.Inventors: Bernard Danner, Francis Palacin
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Patent number: 5294231Abstract: A process for dyeing a mixed fibre substrate with at least one disperse dye and at least one metal complex dye selected from direct dyes and reactive dyes characterized in that dyeing is carried out in the presence of a compound of formula I ##STR1## in which X is --S--, --O--, or --NH--;R.sub.1 is hydrogen, --OH or C.sub.1-4 alkyl; andR.sub.2 is hydrogen, NH.sub.4 or an alkali metal (such as Na or K).Type: GrantFiled: December 10, 1992Date of Patent: March 15, 1994Assignee: Sandoz Ltd.Inventor: Francis Palacin
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Patent number: 5240465Abstract: A process for applying a reactive dye to a cellulosic substrate comprising:(a) adding one or more dyeing assistants selected from the condensation product of sulphonated diphenyl ethers, condensation product of sulphonated ditolyl ethers, condensation products of polydiphenylsulphones with formaldehyde and condensation products of polyditolyl sulphones with formaldehyde (and salts thereof) into an aqueous liquor, optionally together with a salt (hereinafter defined as Process Step a);(b) introducing the substrate into the dyebath and adding one or more reactive dyes, (hereinafter defined as Process Step b) ; and(c) fixing the dyestuff onto the substrate (hereinafter defined as Process Step c).Type: GrantFiled: December 3, 1992Date of Patent: August 31, 1993Assignee: Sandoz Ltd.Inventor: Francis Palacin
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Patent number: 4645510Abstract: The invention provides a process for the exhaust dyeing with a reactive dyestuff of a textile material comprising cellulosic fibres, which process comprises the step of adding to the dyebath containing the reactive dyestuff, simultaneously the salt and the alkali in specified quantities metered per unit time so as to give a substantially linear exhaustion of the dyebath.Type: GrantFiled: May 24, 1985Date of Patent: February 24, 1987Assignee: Sandoz Ltd.Inventors: Rolf Hasler, Francis Palacin
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Patent number: 4629465Abstract: The invention relates to a process for exhaust dyeing a textile fibre substrate to obtain level dyeings, which process comprises the step of adding to the dyebath the effective amount of dyestuff or electrolyte or dyestuff and electrolyte either simultaneously or one after the other in specified quantities per cycle of the dyeing machine, metered according to a mathematical function.Type: GrantFiled: October 1, 1984Date of Patent: December 16, 1986Assignee: Sandoz Ltd.Inventors: Rolf Hasler, Francis Palacin
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Patent number: 4548902Abstract: Dyeings on cellulose with direct or reactive dyestuffs are given improved wet fastness properties by aftertreatment with a reaction product or mixture of a polybasic amino compound (A) with an N-methylol compound (B) or with formaldehyde or a formaldehyde donor and optionally a crosslinking catalyst (C). Particular direct or reactive dyestuffs and polybasic amino compounds are determined to be suitable in the dyeing and aftertreatment when the dyestuff and the polybasic amino compound (A) are such that when mixed together in aqueous solution they give a precipitate which, after washing and drying does not redissolve in aqueous alkali at pH.gtoreq.12 at room temperature.Type: GrantFiled: June 1, 1983Date of Patent: October 22, 1985Assignee: Sandoz Ltd.Inventors: Rolf Hasler, Francis Palacin
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Patent number: 4417898Abstract: The invention relates to a process for continuous dyeing a cellulosic fibrous substrate with a direct or reactive dye comprising the steps of(a) applying to the substrate an aqueous dyeing liquor containing an alkanolamine, followed by(b) fixing the dyeings, and finally(c) after-treating the dyed substrate with a fixing agent,the resulting dyeings having improved wet fastnesses.Type: GrantFiled: September 8, 1982Date of Patent: November 29, 1983Inventors: Rolf Hasler, Francis Palacin
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Patent number: 4286961Abstract: The present invention relates to an after-dyeing treatment process for synthetic/cellulosic fibre mixed substrates which have been dyed with at least one disperse and at least one reactive dye in which after fixation, the dyed or printed substrate is reductively treated at a neutral to alkaline pH with an aqueous solution containing reducing agent, whereby non-bound disperse dyestuff is decomposed such that it does not re-build up on the substrate whilst the fixed reactive dyestuff remains substantially unaffected.Type: GrantFiled: August 2, 1979Date of Patent: September 1, 1981Assignee: Sandoz Ltd.Inventors: Rolf Buser, Francis Palacin, Georg Robert, Franz Somm
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Patent number: 4264324Abstract: A process for dyeing or printing with a fibre-reactive dyestuff a substrate consisting of or comprising cellulosic fibres, which process comprises treating the dyed or printed substrate, at a temperature from 20.degree. to 105.degree. C. with an aqueous solution of a polymer containing carboxylic acid groups at least partially neutralized in salt form.Type: GrantFiled: July 3, 1979Date of Patent: April 28, 1981Assignee: Sandoz Ltd.Inventors: Jean-Pierre Chavannes, Rene Fischer, Saverio Fornelli, Francis Palacin