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Inventor:
Gugumus; Fran.cedilla.ois
Address:
Allschwil, CH
No. of patents:
23
Patents:












Patent Number Title Of Patent Date Issued
6946517 Stabilizer mixtures September 20, 2005
A stabilizer mixture containing (A) for example a compound of the formula (A-I) ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is a direct bond or C.sub.1 -C.sub.10 alkylene and n.sub.1 is a number from 2 to 50; (B) a sterically hindered amine compound; and
6916867 Synergistic mixtures of UV-absorbers in polyolefins July 12, 2005
The present invention relates to polyolefin compositions which comprise as UV absorber a synergistic mixture of a) at least one hydroxybenzophenone and at least one 2-hydroxyphenylbenzotriazole with the proviso that the polyolefin is a high density polyethylene of the "Phillips" type
6881772 Stabilizer mixtures April 19, 2005
A stabilizer mixture containing (A) a sterically hindered amine compound, (B) an organic salt of Ca or an inorganic salt of Ca and (C) an organic salt of Mg, an inorganic salt of Mg, an organic salt of Zn or an inorganic salt of Zn;with the proviso that component (C) is Mg-hydroxide-car
6878761 Synergistic combinations of UV absorbers for pigmented polyolefins April 12, 2005
The instant invention relates to a polyolefin composition which comprises d) at least one organic pigment e) at least one sterically hindered amine light stabilizer and f) as UV absorber a mixture of a 2-hydroxyphenyl benzotriazole and a 2-hydroxyphenyl-s-triazine. Further objects of
6869992 Stabilizer mixtures for polyolefins March 22, 2005
A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not contain groups of f
6828364 Stabilizer mixtures December 7, 2004
A stabilizer mixture containing (I) two different sterically hindered amine compounds, and (II) at least one compound selected from the group consisting of an organic salt of Zn, an inorganic salt of Zn, Zn oxide, Zn hydroxide, an organic salt of Mg, an inorganic salt of Mg, Mg oxide a
6747077 Stabilized metallocene polypropylene June 8, 2004
A composition containing polypropylene prepared by polymerization over a metallocene catalyst or a polypropylene copolymer prepared by polymerization over a metallocene catalyst, and a stabilizer mixture comprising (A) for example the compound of the formula (A-I-1-a) ##STR1##
6545071 Stabilizer mixtures April 8, 2003
A stabilizer mixture containing A) for example at least one compound of the formula (I) ##STR1## wherein the radicals R.sub.1, independently of one another, are hydrogen, C.sub.1 -C.sub.8 alkyl, --O, --CH.sub.2 CN, C.sub.3 -C.sub.6 alkenyl, C.sub.7 -C.sub.9 phenylalkyl, C.sub.7 -C
6512029 Stabilized metallocene polyolefins January 28, 2003
A composition containing I) a polyolefin prepared by polymerization over a metallocene catalyst, and II) a stabilizer mixture comprising for example ##STR1## with n.sub.1 and n.sub.2 being a number from 2 to 25.
6380286 Synergistic stabilizer mixture April 30, 2002
A synergistic stabilizer mixture comprising a component a) and, for example, a component b), where component a) is at least one compound of the formula I ##STR1##in which R.sub.1 is hydrogen or methyl, R.sub.2 is a direct bond or C.sub.1-C.sub.10 alkylene, and n.sub.1 is a number fro
6368520 Synergistic stabilizer mixture April 9, 2002
Stabilizer mixture comprising, for example, a compound of the formula ##STR1##and, for example, a compound of the formula ##STR2##
6365651 Synergistic stabilizer mixture April 2, 2002
A synergistic stabilizer mixture comprising a component a) and, for example, a component b), where component a) is at least one compound of the formula I ##STR1##in whichR.sub.1 is C.sub.1 -C.sub.10 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.su
6328912 Tetramethylpiperidyl-containing polysiloxane or polyamine/cyanuric cl/tetramethyl-4-piperidylami December 11, 2001
A mixture for stabilizing polyolefins containing A) either (A1) at least one compound of the formula ##STR1##in which R.sub.1 is for example C.sub.1 -C.sub.10 alkyl; R.sub.2 isC.sub.3 -C.sub.10 alkylene; R.sub.3 is for example hydrogen or C.sub.1 -C.sub.8 alkyl; and n.sub.1 is a number f
6020406 Synergistic stabilizer mixture February 1, 2000
A synergistic stabilizer mixture comprising a component a) and, for example, a component b), where component a) is at least one compound of the formula I ##STR1## in which R.sub.1 is C.sub.1 -C.sub.10 alkyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.1 -C.sub.4 alkyl-substituted C.sub.5
6015849 Synergistic stabilizer mixture January 18, 2000
A synergistic stabilizer mixture comprising a component a) and, for example, a component b), where component a) is at least one compound of the formula I ##STR1## in which R.sub.1 is hydrogen or methyl, R.sub.2 is a direct bond or C.sub.1 -C.sub.10 alkylene, and n.sub.1 is a numb
5980783 Synergistic stabilizer mixture November 9, 1999
Stabilizer mixture comprising, for example, a compound of the formula ##STR1## and, for example, a compound of the formula ##STR2##
5977221 Synergistic stabilizer mixture November 2, 1999
Stabilizer mixture comprising, for example, a compound of the formula ##STR1## and, for example, a compound of the formula ##STR2##
5965643 Synergistic stabilizer mixture October 12, 1999
A synergistic stabilizer mixture comprising a component a) and, for example, a component d), where component a) is, for example, a compound of the formula I-a ##STR1## in which n.sub.1 is a number from 2 to 50, and component d) is, for example, a compound of the formula V-a #
5965641 Ozone-resistant long-term stabilisers October 12, 1999
A description is given of a process for stabilising an organic polymer against ozone in the ambient air, which comprises adding to the polymer as stabiliser a monomeric sterically hindered piperidine compound, or an oligomeric or polymeric sterically hindered piperidine compound containi
5925367 Pest control with UV blockers and pheromones July 20, 1999
A composition for controlling harmful insects and representatives of the order Acarina, containing as biologically active components a) a substance that modifies the behavior of the pests and b) at least one pesticidally active compound, wherein the biologically active components are con
5919399 Synergistic stabilizer mixture July 6, 1999
Stabilizer mixture comprising, for example, a compound of the formula ##STR1## and, for example, a compound of the formula ##STR2##
5759561 Pest control June 2, 1998
A composition for controlling harmful insects and representatives of the order Acarina, containing as biologically active components a) a substance that modifies the behaviour of the pests and b) at least one pesticidally active compound, wherein the biologically active components are co
5719217 Synergistic stabiliser mixture February 17, 1998
A stabilizer mixture comprising, for example, a compound of formula I and a compound of formula III ##STR1## wherein n.sub.1 and n.sub.2 may be an integer from 2 to 20, R.sub.1, R.sub.3, R.sub.6 and R.sub.8 may each be independently of one another hydrogen, C.sub.1 -C.sub.4 alkyl










 
 
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