Tinuvin P-hindred amine light stabilizer and derivatives...

Details Tinuvin P-hindred amine light stabilizer and derivatives... Tinuvin P-hindred amine light stabilizer and derivatives...

2005-08-30

2005-08-30

Shameem, Golam M. M. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C546S244000

Reexamination Certificate

active

06936717

ABSTRACT:
The present invention relates to a photo-stabilizer of the general formula (I):wherein R1is hydrogen, halogen, C1to C12alkyl, alkoxy (linear and branched), R2is hydrogen, C1-C8alkyl, cyclopentyl, cyclohexyl or cumyl, R3is hydrogen, C1-C4alkyl, R4is methyl or ethyl, R5is C1-C8alkyl, alkyl phenyl, alkoxy, acyl, cycloalkyl and allyl, X is O, NH, C1-C8alkyloxy and alkylamino (linear or branched), to derivatives and intermediates thereof

REFERENCES:
patent: 4709041 (1987-11-01), Mehta
patent: 5021478 (1991-06-01), Ravichandran et al.
patent: 5086097 (1992-02-01), Jorissen et al.
patent: 5362881 (1994-11-01), Leistner
patent: 5480765 (1996-01-01), Yanagihara et al.
patent: 5739348 (1998-04-01), Vishwakarma et al.
patent: 5977219 (1999-11-01), Ravichandran et al.
patent: 6051671 (2000-04-01), Hay et al.
patent: 6113980 (2000-09-01), Laver
patent: 6284895 (2001-09-01), Thanki
patent: 6320056 (2001-11-01), Thanki
patent: 6489482 (2002-12-01), Desai
patent: 6492518 (2002-12-01), Desai
patent: 2002/0082428 (2002-06-01), Thanki
patent: 106 492 (1899-12-01), None
patent: 22 58 752 (1973-06-01), None
patent: 23 52 658 (1974-04-01), None
patent: 25 00 313 (1975-07-01), None
patent: 26 42 461 (1978-03-01), None
patent: 924248 (1999-06-01), None
patent: 11-263874 (1999-09-01), None
patent: 2000-119260 (2000-04-01), None
patent: WO 97/39052 (1997-10-01), None
Gan H. et al., “A Sterically Controlled Recyclable System: Reversible Photoredox Reactions Between Anthraquinone and Hindered Tertiary Amines”, Journal of the American Chemical Society, 1993, Rochester, New York, vol. 115, pp. 8031-8037.
Lutz W.B. et al., “New Derivatives of 2,2,6,6-Tetramethylpiperidine”, Journal of Organic Chemistry, Morris Plains, New Jersey, 1962, vol. 27, pp. 1695-1703.
Cygler M. et al., “Conformation of the Piperidine Ring” Journal of Molecular Structure, 1980 Elsevier Scientific Publishing Company, Amsterdam, vol. 68, pp. 161-171.
Orthner L., “Zur Raumchemie des dreiwertigen Sticktoffs und von N-Heterocyclen”, Justus Liebigs Annalen Der Chemie, 1927, vol. 456, pp. 225-252.
Belostotskii A.M. et al., “Polysubstituted 4-piperidones and 4-piperidols: Synthesis and Spatial Configuration”, Bulletin Acad. Sciences USSR Div Chemical Sciences, 1991 Plenum Publishing Corporation, vol. 40, No. 2.2, pp. 421-429.
Patent Abstracts of Japan, JP 11 209 392 A, Aug. 3, 1999, vol. 1999, No. 13.
International Search Report , corresponding to International Application No. PCT/IN01/00190, completed May 15, 2002, 9 pages.

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