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Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller, Hermann Schneider: Benzofuranone or indolinone compounds useful as stabilizers for organic materials. Sandoz, Gerald D Sharkin, Robert S Honor, Joseph J Borovian, April 20, 1982: US04325863 (117 worldwide citation)

The present invention relates to a process for stabilizing organic polymeric materials comprising incorporating therein a benzofuran (2) one or indolin (2) one compound as stabilizer. Such stabilized polymeric materials are stabilized against degradation during the polymer processing.


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Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller, Hermann Schneider: Benzofuran(2)one or indolin(2)one compounds useful as stabilizers for organic materials. Sandoz, Gerald D Sharkin, Robert S Honor, Joseph J Borovian, July 6, 1982: US04338244 (105 worldwide citation)

The present invention relates to a process for stabilizing organic polymeric materials comprising incorporating therein a benzofuran(2)one compound or indolin(2)one compound containing at least two benzofuran(2)one or indolin(2)one nuclei.


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Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller, Hermann Schneider: Benzofuranone or indolinone compounds useful as stabilizers for organic materials. Ciba-Geigy, Gerald D Sharkin, Richard E Vila, Thomas C Doyle, September 9, 1986: US04611016 (21 worldwide citation)

The present invention relates to a process for stabilizing organic polymeric materials comprising incorporating therein a benzofuran (2) one or indolin (2) one compound as stabilizer. Such stabilized polymeric materials are stabilized against degradation during the polymer processing.


4
Horst Mayerhoefer, Rainer Wolf: 5,5-Bis(halomethyl)1,3,2-dioxaphosphorinane compounds. Sandoz, Gerald D Sharkin, Richard E Vila, Thomas C Doyle, March 6, 1979: US04143101 (12 worldwide citation)

This invention relates to the production of phosphorus derivatives with a 5,5-bis-(halomethyl)-1,3,2-dioxaphosphorinane structure and to their use as flameproofing agents for plastics and textile fibres.


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Horst Mayerhoefer, Wolfgang Mueller, Urs Sollberger, Rainer Wolf: Organic compounds. Sandoz, Gerald D Sharkin, Richard E Vila, Thomas C Doyle, July 12, 1977: US04035448 (9 worldwide citation)

The present invention relates to phosphorus containing compounds and more specifically to phosphorous and phosphoric acid esters of the formula, ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or alkyl,


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Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller: 3-Hydroxybenzyl compounds useful as antioxidants. Sandoz, Gerald D Sharkin, Richard E Vila, Joseph J Borovian, August 18, 1981: US04284790 (5 worldwide citation)

3-Hydroxylbenzyl compounds of formula, ##STR1## in which each of R.sub.1, R.sub.2 and R.sub.3 is a hydrocarbon group, e.g. alkyl, R.sub.4 is hydrogen or alkyl, or forms with R.sub.1 --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 --, and Z is either an oxygen- or sulphur-containing group featuring at least on ...


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William O Drake, Hans Hinsken, Horst Mayerhoefer, Wolfgang H Mueller: Carbonates and urethanes of 2,2-alkylene or -cycloalkylene-bis-4,6-disubstituted phenols as stabilizers for organic materials. Sandoz, Gerald D Sharkin, Richard E Vila, Joseph J Borovian, October 28, 1980: US04230857 (5 worldwide citation)

Carbonates and urethanes of 2,2'-alkylene or -cycloalkylene-bis-4,6-disubstituted phenols are useful for stabilizing organic materials against the degradative effects of oxygen.


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Peter Borer, Hans Werner Finck, Horst Mayerhoefer, Urs Sollberger, Wolfgang Heinz Mueller: Bromo-propanol derivatives as flame retardants. Sandoz, Gerald D Sharkin, Richard E Vila, Joseph J Borovian, June 8, 1976: US03962246 (3 worldwide citation)

The present invention concerns a novel method of flame-proofing flammable material which comprises treating said material with a compound of the formula: ##EQU1## WHEREIN N IS 1 OR 2, AND R, when n is 1, is a radical of the formula ##EQU2## wherein R.sub.1 and R.sub.2 are substituents e.g. alkyl, or ...