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| Number | Title | Issue Date |
| 5648488 | Compositions stabilized with red-shifted tris-aryl-s-triazines Tris-aryl-s-triazines of formula V ##STR1## which contain from one one to three resorcinol derived moieties with at least one of said moieties substituted in the 5-position with a group such as, for example, alkyl or phenylalkyl have UV spectra which... | 07/15/1997 |
| 5648487 | Process for the preparation of aminotriazine derivatives A process for the preparation of a compound of the formula ##STR1## where Z and R are defined herein. A compound of formula II ##STR2## where R1 defined herein, is reacted with hydrazine hydrate and then subjected to hydrolysis to for... | 07/15/1997 |
| 5637706 | Compositions stabilized with red-shifted tris-aryl-s-triazines Tris-aryl-s-triazines of formula I, II or III ##STR1## which contain from one one to three resorcinol derived moieties with at least one of said moieties substituted in the 5-position with a phenylalkyl group have UV spectra which are red-shifted to ... | 06/10/1997 |
| 5616636 | Phosphonite-hals and phosphite-hals compounds as stabilizers A composition comprising: a) a compound containing a phosphite or phosphonite group and at least one 2,2,6,6-tetraalkylpiperidinyl group, and b) a polyolefin which has been produced in the presence of a catalyst which is either i) a supported Zeigler catalyst ... | 04/01/1997 |
| 5578665 | Piperidine compounds containing silane groups for use as stabilizers for organic materials The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R4 is e.g. hydrogen or methyl, X3 is e.g. --O-- or --NH-- and R5 | 11/26/1996 |
| 5536766 | Formaldehyde-free binding, impregnating or coating compositions for fibrous sheet materials A formaldehyde-free binding, impregnating or coating composition comprises A) a polymer constituted to from 2 to 100% by weight of an ethylenically unsaturated acid or anhydride as comonomer, and B) at least one polyol selected from a triazine of the formula #... | 07/16/1996 |
| 5506286 | Method for stabilizing an organic material using a hindered piperidine compound A hindered piperidine compound represented by the formula of ##STR1## wherein R1 is a 2,2,6,6-tetramethyl-4-piperidyl group of which the N-position is substituted or not, a hydrogen atom, a C1 -C18 alkyl group which m... | 04/09/1996 |
| 5504211 | Polyalkylpiperidinyl-containing ଲ-aminoacrylic ester derivatives A polyalky-piperidinyl-containing ଲ-aminoacrylic ester derivative represented by the formula I ##STR1## is useful in stabilizing plastic and paints against light, oxygen and heat.... | 04/02/1996 |
| 5500467 | Polyolefin fiber and film resistant to gas fade A polyolefin composition is provided which is resistant to gas fading upon exposure to atmospheric pollutants. The compositions containing a stabilizing amount of a phosphite of the formula ##STR1## wherein Y1 is an alkyl, preferably t-but... | 03/19/1996 |
| 5478873 | Thermoplastic resin composition The present invention provides a thermoplastic resin composition improved in stability at the time of processing which comprises (a) 100 parts by weight of a polyphenylene ether resin and (b) 0.001-15 parts by weight of at least one 4-amino-2,2,6,6-tetram... | 12/26/1995 |
| 5476882 | Light-stabilized polymer microparticles 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... | 12/19/1995 |
| 5457143 | Stabilization of polymeric organic materials by using synergistic mixtures comprising sterically hindered cyclic amines and derivatives of 3-pyrazolidinone or 1,2,4-triazolidine-3,5-dione The present invention relates to synergistic mixtures for stabilising polymeric organic materials against light, heat and oxidation; said synergistic mixtures contain sterically hindered cyclic amines and particular derivatives of 3-pyrazolidinone or ... | 10/10/1995 |
| 5434202 | N-(ଲ-carbony- and ଲ-cyanovinyl)-2,2,6,6-tetramethyl-piperidine derivatives N-(ଲ-carbonyl- and ଲ-cyanovinyl)-2,2,6,6-tetramethylpiperidine derivatives of the formula I ##STR1## where R1 is COOR3, COR4, CONR4 R5 or CN, R2 has the meanings of R1 | 07/18/1995 |
| 5418267 | Piperidine compounds containing silane groups for use as stabilizers for organic materials The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R4 is e.g. hydrogen or methyl, X3 is e.g. --O-- or --NH-- and R5 | 05/23/1995 |
| 5405891 | Oligomeric HALS phosphites and HALS phosphonites as stabilisers Novel oligomeric compounds of formula I ##STR1## wherein L is a group of formula ##STR2## wherein the oxygen atom in the group L is attached to the phosphorus atom in the structural repeating unit, and R5 or the carbon atom in 4-... | 04/11/1995 |
| 5397821 | Derivatives of N-hals-substituted amic acid hydrazides N-(2,2,6,6-tetraalkyl-4-piperidinyl)amic acid hydrazides contain a light stabilizing group, a heat stabilizing group and an amic acid hydrazide functionality in the same molecule. The amic acid hydrazide functionality in the compounds enhances the photoox... | 03/14/1995 |
| 5384348 | Hindered piperidine stabilizers and production thereof A hindered piperidine compound represented by the formula of ##STR1## wherein R1 is a 2,2,6,6-tetramethyl-4-piperidyl group of which the N-position is substituted or not, a hydrogen atom, a C1 -C18 alkyl group which m... | 01/24/1995 |
| 5354795 | Polypropylene resin composition having improved coating property a polypropylene resin composition comprising: (A) a composition of (a) a crystalline ethylene-propylene block copolymer, (b) a thermoplastic elastomer having a substantially saturated main chain, and (c) an inorganic filler; (B) (i) a hindered nitrogen-free phenolic ant... | 10/11/1994 |
| 5352719 | Hindered amine light stabilizer hydrazides New and novel stabilized polymer compositions and processes for preparing them which employ new and novel carboxylic acid hydrazides bearing a 2,2,6,6-tetra-alkyl-4-piperidine ring and new and novel polymeric compositions stabilized therewith are provided... | 10/04/1994 |
| 5350449 | Coating materials stabilized against light-induced degradation 2-(2-Hydroxyphenyl)-4,6-diphenyl- and -4,6-di-p-tolyl-1,3,5-triazines are particularly suitable stabilisers, especially against light-induced degradation, for coating materials. They are superior in this respect to the corresponding 4,6-bis(2,4-dimethylph... | 09/27/1994 |
| 5338780 | Polyolefin resin composition containing carbon black A polyolefin resin (A) containing carbon black is blended with the following components: (B) a phenolic compound represented by the following formula (I): ##STR1## wherein R1 is alkyl of 1 to 4 carbon atoms; (C) an organic sulfur compound... | 08/16/1994 |
| 5322868 | Coating compositions stabilized against light, heat and oxygen o-Hydroxyphenyl-s-triazines of formula I ##STR1## wherein n is 1 or 2 and R1 to R7 are as defined in claim 7, are good light stabilizers for coating compositions which contain a basic curing catalyst. In contradistinction to oth... | 06/21/1994 |
| 5321066 | Piperdine compounds containing silane groups for use as stabilizers for organic materials The present invention relates to novel piperidine compounds of the formula (I) ##STR1## in which A is e.g. a group of the formula ##STR2## where R4 is e.g. hydrogen or methyl, X3 is e.g. --O-- or --NH-- and R5 | 06/14/1994 |
| 5310771 | Polyolefin stabilization Homopolymers and copolymers of 1-olefins are stabilized against the effects of ultraviolet light degradation by contacting a polyolefin, a hindered amine, and a metal phosphonate. Optionally the stabilizing system contains a phenolic antioxidant, an organ... | 05/10/1994 |
| 5306823 | 2,2,6,6-tetraalkylpiperidine compounds useful as light stabilizers Novel compounds according to formula I ##STR1## are disclosed, as well as processes for their production and methods for their use. These compounds are useful as light stabilizers for polymeric materials, particularly in acid catalyzed stoving finish... | 04/26/1994 |
| 5306495 | Compounds containing substituted piperidine groups for use as stabilizers for organic materials Compounds containing substituted piperidine groups, of the general formula (I) ##STR1## in which n is e.g. 1, 2 or 3, R1 is e.g. hydrogen or methyl, R2 is e.g. ethylene or trimethylene and if n is 1, A is e.g. hydrogen, --C... | 04/26/1994 |
| 5302497 | Photosensitive organic polymeric material containing UV absorbers Compounds of the formula ##STR1## wherein Ro, is hydrogen or alkylene-COOR where R is alkyl or hydroxyalkyl, R1 is hydrogen, alkyl, hydroxyalkyl, alkenyl or acyl, R2 and R3 are independently hydrogen, alkyl... | 04/12/1994 |
| 5298539 | Additives for improving tire cord adhesion and toughness of vulcanized rubber compositions New additives in rubber compositions improve tire cord adhesion without need to use resorcinol. The new additives are derivatives of melamine, aceto guanamine, benzoguanamine, cyclohexylguanamine, and glycoluril, substituted with at least two vinyl-termin... | 03/29/1994 |
| 5298259 | Subunit delivery composition and method A polymer composition having a biopolymer subunit entrapped in a swellable polymer matrix is described. The composition may be supplied in a disposable cartridge, for use in delivering a solution of the subunit in an automated biopolymer synthesis operati... | 03/29/1994 |
| 5298067 | Coating materials stabilized against light-induced degradation 2-(2-Hydroxyphenyl)-4,6-diphenyl- and -4,6-di-p-tolyl-1,3,5-triazines are particularly suitable stabilizers, especially against light-induced degradation, for coating materials. They are superior in this respect to the corresponding 4,6-bis(2,4 -dimethylp... | 03/29/1994 |
| 5210195 | Bis(2,2',6,6'-tetramethyl-4-aminoethyleneamidopiperidyl) polyoxyalkylene Polyoxyalkylene diamines react with excess acrylate to form diesters which react with 2,2',6,6'-tetramethyl-4-aminopiperidines to give a product of formula 1, useful as photostabilizer for photosensitive materials. ##STR1##... | 05/11/1993 |
| 5189086 | Polysubstituted N-hydrocarbyloxy hindered amine light stabilizers Polysubstituted N-hydrocarbyloxy hindered amines are effective light stabilizers in protecting organic substrates against the deleterious effects of actinic light.... | 02/23/1993 |
| 5185391 | Oxidation inhibited arylcyclobutene polymers The invention is a composition containing a polymer formed by side ring opening of an arylcyclobutene compound and an effective amount of an antioxidant.... | 02/09/1993 |
| 5134181 | Polyethylene stabilizer compositions comprising compounds with piperidine groups and metal compounds A polyethylene stabilizer composition comprises: A) one or more compounds with piperidine groups of the formula (I) or (Ia) ##STR1## in which R is hydrogen, C1 -C4 -alkyl, allyl, benzyl, acetyl, acryloyl, 2-hydroxyethyl or 2-hydroxy... | 07/28/1992 |
| 5124378 | Stabilization of ambient cured coatings N--OR1 substituted hindered amine light stabilizers impart outstanding stabilization properties to ambient cured coatings based on a variety of resins, the stabilized coatings exhibiting improved durability, weatherability, and the like.... | 06/23/1992 |
| 5122555 | UV-stabilization of polymers using nitro compounds Polyolefins are stabilized against UV-deterioration by mixing therewith a hindered C-nitro compound having a molecular weight above 500. In a preferred embodiment the hindered C-nitro compound is a nitrated polyolefin. A conventional UV-stabilizer, such a... | 06/16/1992 |
| 5112890 | Stabilization of acid catalyzed thermoset resins N-OR1 substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions providing enhanced resistance against the deleterious effects of light, moisture or oxygen without i... | 05/12/1992 |
| 5096950 | Polyolefin compositions stabilized with NOR-substituted hindered amines Hindered amines based on various 2,2,6,6-tetraalkylated nitrogen-containing heterocyclic moieties wherein the hindered nitrogen atom on the ring is substituted with OR1 substituents and the 4-position of the ring is substituted with a diversity... | 03/17/1992 |
| 5066695 | High-molecular weight organic material containing a metal complex pigment basaed on hydrazone High-molecular weight organic material containing at least one metal complex of a ligand of formula I: ##STR1## wherein A is a carbocyclic aromatic or heterocyclic aromatic radical, B is a carbocyclic aromatic radical or a heterocyclic aromatic radic... | 11/19/1991 |
| 5064883 | Stabilization of acid catalyzed thermoset resins with n-hydroxy hindered amines N-hydroxy substituted hindered amine light stabilizers impart outstanding stabilization properties to acid catalyzed thermoset coating compositions with enhanced resistance against the deleterious effects of light, moisture or oxygen in the substantial ab... | 11/12/1991 |
