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Elke Schlosser, Bernd Nass, Wolfgang Wanzke: Flame-retardant combination. Clariant, Andrew Pang, Scott E Hanf, July 3, 2001: US06255371 (114 worldwide citation)

The invention relates to a novel flame retardant combination comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these


2
Elke Jenewein, Hans Jerg Kleiner, Wolfgang Wanzke, Winfried Budzinsky: Synergistic flame protection agent combination for thermoplastic polymers. Clariant, Susan S Jackson, Scott E Hanf, April 2, 2002: US06365071 (70 worldwide citation)

The present invention relates to a synergistic flame retardant combination for thermoplastic polymers, preferably engineering plastics, especially for polyesters, which as component A comprises a phosphinic salt of the formula (I) defined in the description and/or a diphosphinic salt of the formula ...


3
Elke Schlosser, Bernd Nass, Wolfgang Wanzke: Flame retardant combination for thermoplastic polymers l. Clariant, Anthony A Bisulca, April 15, 2003: US06547992 (66 worldwide citation)

The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a phosphinate of the formula (I) and/or a diphosphinate of the formula (II) and/or polymers of these


4
Bernd Nass, Wolfgang Wanzke: Synergistic flameproofing combination for polymers. Clariant, Susan S Jackson, Scott E Hanf, March 27, 2001: US06207736 (39 worldwide citation)

The present invention relates to a synergistic flameproofing combination for polymers, in particular for ABS, which contains, as component A, a phosphinic acid salt of the formulae (I) defined in the description and/or a diphosphinic acid salt of the formula (II) and/or polymers thereof and which co ...


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Elke Jenewein, Bernd Nass, Wolfgang Wanzke: Synergistic flame retardant combination of salts of 1-hydroxy-dihydrophosphole oxides and/or 1-hydroxyphospholane oxides and nitrogen compounds for use in polymers. Clariant, Susan S Jackson, Scott E Hanf, January 21, 2003: US06509401 (21 worldwide citation)

The present invention relates to a synergistic flame retardant combination for thermoplastic polymers which comprises as component A a salt of 1-hydroxydihydrophosphole oxides of the formula (Ia) or formula (Ib) and/or 1-hydroxyphospholane oxides of the formula (II)


7
Elke Schlosser, Bernd Nass, Wolfgang Wanzke: Flame retardant combinations for thermoplastic polymers II. Clariant, Anthony A Bisulca, February 5, 2002: US06344158 (13 worldwide citation)

The invention relates to a flame retardant combination for thermoplastic polymers comprising, as component A, a salt of 1-hydroxydihydrophosphole oxides of formula (Ia) or formula (Ib) and/or 1-hydroxyphospholane oxides of formula (II),


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Elke Schlosser, Wolfgang Wanzke, Christian Lechner: Mixture of a phosphonite with other components. Clariant, Anthony A Bisulca, November 15, 2005: US06964746 (8 worldwide citation)

The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters.


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Frank Ebmeyer, Ralf Finzel, Gunter Siegemund, Wolfgang Wanzke: Process for regenerating a fluorination catalyst. Solvay, Connolly & Hutz, April 14, 1998: US05739070 (7 worldwide citation)

Process for regenerating a fluorination catalyst The invention relates to a process for regenerating a fluorination catalyst containing chromium and magnesium after use in a fluorination reaction, in which the used catalyst is treated with a mixture comprising at least 10 mol % of HF, from 30 to 90 ...


10
Hans Jerg Kleiner, Elke Jenewein, Wolfgang Wanzke: Alkyl-1-alkoxyethylphosphinous acid aluminum salts. Ticona Deutschland KG, Connolly Bove Lodge & Hutz, May 8, 2001: US06229044 (5 worldwide citation)

Aluminum salts of alky-(1-alkoxyethyl)phosphinic acids are prepared by reacting alky-(1-alkoxyethyl)phospihnic acids with aluminum hydroxide in a molar ratio of 3:1. The resulting aluminum phosphinates are used as flame retardants in thermoplastics, particularly in polyesters.