Organic peroxide heat stabilizer

Details Organic peroxide heat stabilizer Organic peroxide heat stabilizer

2006-01-31

2006-01-31

Thexton, Matthew A. (Department: 1714)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C562S003000, C558S261000, C560S002000, C560S003000, C560S004000

Reexamination Certificate

active

06992225

ABSTRACT:
The invention concerns a heat stabilizer of organic peroxides characterized in that it is an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring. The invention also concerns a storage-stable and heat-stable organic peroxide composition containing an N-hetrocyclic compound which contains at least one nitroxyl radical with the N atom of the nitroxyl radical forming part of the ring, the method for preparing the same and uses thereof for modifying polymers.

REFERENCES:
patent: 3702869 (1972-11-01), Leveskis et al.
patent: 4129517 (1978-12-01), Eggensperger et al.
patent: 5098607 (1992-03-01), Inaba et al.
patent: 5739096 (1998-04-01), Rees
patent: 6620892 (2003-09-01), Bertin et al.
patent: 8942933 (1990-04-01), None
patent: 1.594.180 (1970-07-01), None
patent: 2792321 (2000-10-01), None
patent: 7401405 (1974-04-01), None
patent: WO 00/63260 (2000-10-01), None
patent: WO 03/060052 (2003-07-01), None
USPTO obtained translation of NL 7401405.
WPI Acc No: 2000-298623/˜200026˜; JP2000/086816-A (Sep. 11, 1998).
WPI Acc No: 1990-246880/199033; AU 8942933 (Oct. 16, 1989).

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