Patents by Inventor Manfred Rembold
Manfred Rembold 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: 6398982Abstract: There is provided a stable, concentrated fabric rinse composition comprising 0.1 to 20, preferably 1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1,3,5-triazine, a sulphonated-1,3,5-triazine, an o-hydroxyphenylbenzotriazole or a 2-aryl-2H-benzotriazole, based on the total weight of the composition, and a fabric care ingredient, preferably a fabric softener, a stain release or stain repellant ingredient or a water-proofing agent, the remainder being substantially water. The fabric rinse composition is preferably a fabric softener composition comprising 5 to 25, preferably 10 to 20% by weight of a cationic fabric softening agent and 0.1 to 20, preferably 1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1,3,5-triazine, a sulphonated-1,3,5-triazine, an o-hydroxyphenylbenzotriazole or a 2-aryl-2H-benzotriazole, each based on the total weight of the composition, the remainder being substantially water.Type: GrantFiled: November 20, 2000Date of Patent: June 4, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Hofer, Werner Kaufmann, Manfred Rembold
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Patent number: 6174854Abstract: There is provided a stable, concentrated fabric rinse composition comprising 0.1 to 20, preferably 1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1,3,5-triazine, a sulphonated-1,3,5-triazine, an o-hydroxyphenylbenzotriazole or a 2-aryl-2H-benzotriazole, based on the total weight of the composition, and a fabric care ingredient, preferably a fabric softener, a stain release or stain repellant ingredient or a water-proofing agent, the remainder being substantially water. The fabric rinse composition is preferably a fabric softener composition comprising 5 to 25, preferably 10 to 20% by weight of a cationic fabric softening agent and 0.1 to 20, preferably 1 to 10% by weight of a UV absorber selected from a hydroxyaryl-1,3,5-triazine, a sulphonated-1,3,5-triazine, an o-hydroxyphenylbenzotriazole or a 2-aryl-2H-benzotriazole, each based on the total weight of the composition, the remainder being substantially water.Type: GrantFiled: December 21, 1994Date of Patent: January 16, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Urs Hofer, Werner Kaufmann, Manfred Rembold
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Patent number: 5942564Abstract: The invention relates to o-hydroxyphenyl-s-triazines of formula ##STR1## wherein at least one of Y and Z are C.sub.1 -C.sub.18 alkoxyThe compounds are suitable for use as UV stabilisers for the photochemical and thermal stabilisation of polyester fibre materials and as stabilisers for organic ploymers.Type: GrantFiled: January 15, 1997Date of Patent: August 24, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Jurgen Kaschig, Dieter Reinehr, Manfred Rembold
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Patent number: 5856380Abstract: A process is described for flame-proofing organic polymeric materials by means of a low temperature plasma treatment in the presence of at least one volatile, low-molecular compound. The process comprises subjecting a volatile compound, selected from a halogen-free phosphorus compound, to the low temperature plasma, such that a homogeneous polymeric structure forms on the organic material. A very wide range of organic materials can be effectively flame-proofed with the process of this invention without adversely affecting their other properties such as mechanical properties or photochemical stability.Type: GrantFiled: June 14, 1996Date of Patent: January 5, 1999Assignee: Ciba Specialty Chemical CorporationInventors: Michael Bauer, Manfred Rembold
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Patent number: 5760111Abstract: o-Hydroxyphenyl-s-triazines are described which contain at least two alkoxyphenyl substituents. They have the formula (1). The compounds according to the invention are suitable as stabilizers for textile fiber materials, in particular polyester fiber materials, and for organic polymers. Furthermore, they are suitable for use as sunscreens in cosmetic preparations.Type: GrantFiled: September 17, 1996Date of Patent: June 2, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Luc Birbaum, Jurgen Kaschig, Dieter Reinehr, Manfred Rembold, Andre Schmitter, Helmut Luther, Bernd Herzog, Dietmar Huglin
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Patent number: 5705083Abstract: Water-emulsifiable or -dispersible physical forms of sterically hindered mines, UV absorbers and antioxidants and their use for thermal and photochemical stabilization of materials of plastics, textile coatings, imitation leather and leather are described. The physical forms comprisea) a sterically hindered amine,b) a UV absorber and/orc) an antioxidant andd) if appropriate, water and other additives.Type: GrantFiled: June 10, 1996Date of Patent: January 6, 1998Assignee: Ciba Specialty Chemicals CorporationInventors: Franz Wyss, Vladimir Arnold, Helena Dbaly, Gisbert Leuschner, Manfred Rembold, Alois Puntener
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Process for the photochemical and thermal stabilization of undyed and dyed polyester fibre materials
Patent number: 5649980Abstract: A process is described for the photochemical and thermal stabilisation of undyed and dyed polyester fibre materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.12 alkyl. Dyeings and prints of superior lightfastness and sublimation fastness on polyester and cellulose acetate are obtained by this process.Type: GrantFiled: October 2, 1995Date of Patent: July 22, 1997Assignee: Ciba-Geigy CorporationInventors: Dieter Reinehr, Gerhard Reinert, Manfred Rembold -
Patent number: 5650509Abstract: Sterically hindered phenols of formula (1) are disclosed. These antioxidants are suitable for enhancing the thermal and photochemical stability of undyed and dyed polyamide fibre materials. They are distinguished by superior exhaustion which is almost independent of the pH.Type: GrantFiled: October 11, 1995Date of Patent: July 22, 1997Assignee: Ciba-Geigy CorporationInventors: Jean-Pierre Bacher, Manfred Rembold, Dieter Reinehr
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Patent number: 5629356Abstract: Compounds of the formula I, II, III and IIIa ##STR1## in which Ar.sup.1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R.sup.1 and R.sup.2 is an alkenyl, cycloalkenyl or arylmethyl group, are effective photoinitiators for photopolymerization of unsaturated compounds. They are particularly suitable for photocuring of pigmented systems.Type: GrantFiled: March 12, 1996Date of Patent: May 13, 1997Assignee: Ciba Geigy CorporationInventors: Vincent Desobry, Kurt Dietliker, Rinaldo H usler, Werner Rutsch, Manfred Rembold, Franciszek Sitek
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Patent number: 5591850Abstract: o-Hydroxyphenyl-s-triazines are described which contain at least two alkoxyphenyl substituents. They have the formula (1).The compounds according to the invention are suitable as stabilizers for textile fiber materials, in particular polyester fiber materials, and for organic polymers. Furthermore, they are suitable for use as sunscreens in cosmetic preparations.Type: GrantFiled: November 17, 1994Date of Patent: January 7, 1997Assignee: Ciba-Geigy CorporationInventors: Jean-Luc Birbaum, J urgen Kaschig, Dieter Reinehr, Manfred Rembold, Andr e Schmitter, Helmut Luther, Bernd Herzog, Dietmar H uglin
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Patent number: 5554663Abstract: Compounds of the formula I, II, III and IIIa ##STR1## in which Ar.sup.1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R.sup.1 and R.sup.2 is an alkenyl, cycloalkenyl or arylmethyl group, are effective photoinitiators for photopolymerization of unsaturated compounds. They are particularly suitable for photocuring of pigmented systems.Type: GrantFiled: June 6, 1995Date of Patent: September 10, 1996Assignee: Ciba-Geigy CorporationInventors: Vincent Desobry, Kurt Dietliker, Rinaldo H usler, Werner Rutsch, Manfred Rembold, Franciszek Sitek
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Patent number: 5534629Abstract: Compounds of the formula I, II, III and IIIa ##STR1## in which Ar.sup.1 is an unsubstituted or substituted aromatic radical and at least one of the radicals R.sup.1 and R.sup.2 is an alkenyl, cycloalkenyl or arylmethyl group, are effective photoinitiators for photopolymerization of unsaturated compounds. They are particularly suitable for photocuring of pigmented systems.Type: GrantFiled: May 1, 1995Date of Patent: July 9, 1996Assignee: Ciba-Geigy CorporationInventors: Vincent Desobry, Kurt Dietliker, Rinaldo Husler, Werner Rutsch, Manfred Rembold, Franciszek Sitek
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Patent number: 5476882Abstract: Light-stabilized polymer microparticles, which contain at least one light stabilizer, and processes for the preparation of these microparticles by polymerization of suitable monomers, at least a part of the polymerization being carried out in the presence of at least one light stabilizer, are described. The polymer microparticles can be used in coating compositions which comprise a disperse phase containing these particles and a liquid continuous phase.Coatings and finishes based on the compositions according to the invention are distinguished by improved weathering resistance, in particular by a high light stability.Type: GrantFiled: October 18, 1993Date of Patent: December 19, 1995Assignee: Ciba-Geigy CorporationInventors: Godwin Berner, Manfred Rembold, Jean Rody, Mario Slongo
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Patent number: 5457198Abstract: Water-soluble triazine derivatives of the formula (1) are described. The compounds are representatives from the class of sterically hindered mines (HALS stabilizers). They are suitable for increasing the thermal and photochemical stability of dyed and undyed polygamies fibre materials.Type: GrantFiled: March 30, 1994Date of Patent: October 10, 1995Assignee: Ciba-Geigy CorporationInventors: Dieter Reinehr, Jean-Pierre Bacher, Manfred Rembold
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Patent number: 5437689Abstract: A process is disclosed for treating polyamide fiber containing materials which process comprises applying a benzofuran-2-one compound to the material in order to enhance its moulding stability. In addition, compositions containing a fluorescent whitening agent and a benzofuran-2-one, and optionally one or more dyes, are disclosed.Type: GrantFiled: March 7, 1994Date of Patent: August 1, 1995Assignee: Ciba-Geigy CorporationInventors: Manfred Rembold, Claude Eckhardt, Peter Nesvadba
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Patent number: 5360455Abstract: There is disclosed a process for producing multicolor or tone-in-tone effects on natural and synthetic polyamide fiber material by subjecting flocks, slubbing, yarn or selected areas of piece goods to a plasma or corona discharge treatment before dyeing and subsequently dyeing the pretreated material with an anionic dye.Dyeings with very good differentiation of depth of shade on homogeneous polyamide fiber material are obtained by the process of this invention without the addition of resist agents or levelling agents.Type: GrantFiled: February 26, 1993Date of Patent: November 1, 1994Assignee: Ciba-Geigy CorporationInventors: Klaus Hannemann, Alfred Hohener, Huanzhong Wang, Manfred Rembold
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Patent number: 5322525Abstract: A process is disclosed for treating polyamide fiber containing materials which process comprises applying a benzofuran-2-one compound to the material in order to enhance its moulding stability. In addition, compositions containing a fluorescent whitening agent and a benzofuran-2-one, and optionally one or more dyes, are disclosed.Type: GrantFiled: October 30, 1992Date of Patent: June 21, 1994Assignee: Ciba-Geigy CorporationInventors: Manfred Rembold, Claude Eckhardt, Peter Nesvadba
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Patent number: 5274016Abstract: Light-stabilized polymer microparticles, which contain at least one light stabilizer, and processes for the preparation of these microparticles by polymerization of suitable monomers, at least a part of the polymerization being carried out in the presence of at least one light stabilizer, are described. The polymer microparticles can be used in coating compositions which comprise a disperse phase containing these particles and a liquid continuous phase.Coatings and finishes based on the compositions according to the invention are distinguished by improved weathering resistance, in particular by a high light stability.Type: GrantFiled: August 5, 1991Date of Patent: December 28, 1993Assignee: Ciba-Geigy CorporationInventors: Godwin Berner, Manfred Rembold, Jean Rody, Mario Slongo
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Patent number: 5197991Abstract: A process for the photochemical stabilization of wool is described, which comprises treating the wool with an aqueous solution comprising at least one UV absorber of the formula ##STR1## in which at least one of the substituents R.sub.1, R.sub.2 and R.sub.3 is a radical of the formula ##STR2## in which M is hydrogen; or an equivalent of a cation;m is 1 or 2, andthe remaining substituent(s), independently of one another, are C.sub.1 -C.sub.12 alkyl; C.sub.1 -C.sub.12 alkoxy; C.sub.1 -C.sub.12 -alkylthio; C.sub.1 -C.sub.12 alkylamino; di-C.sub.1 -C.sub.12 -alkylamino; phenyl; phenoxy; phenylthio, anilino; or N-phenyl-N-C.sub.1 -C.sub.4 alkylamino;The UV absorbers can be used in a wide pH range and effectively reduce yellowing of the wool.Type: GrantFiled: September 6, 1991Date of Patent: March 30, 1993Assignee: Ciba-Geigy CorporationInventor: Manfred Rembold
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Patent number: 5106722Abstract: Titanocenes containing two 5-membered cyclodienyl groups, for example cyclopentadienyl, and one or two 6-membered carbocyclic or 5- or 6-membered heterocyclic aromatic rings which are substituted by a fluorine atom in at least one of the two ortho-positions to the titanium-carbon bond and contain, as a further substituent, unsubstituted or substituted 1-pyrryl, are suitable as photoinitiators for radiation-induced polymerization of ethylenically unsaturated compounds.Type: GrantFiled: August 14, 1990Date of Patent: April 21, 1992Assignee: Ciba-Geigy CorporationInventors: Rinaldo Husler, Bernd Klingert, Manfred Rembold, Eginhard Steiner