Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic nitrogen compound
Reexamination Certificate
2007-02-13
2009-10-27
Caldarola, Glenn A (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic nitrogen compound
C508S549000
Reexamination Certificate
active
07608568
ABSTRACT:
Tetraaromatic diamine compounds having the general formula:are provided wherein a is 0-3; b, c and d independently are integers from 0-5, R1and R2together with the carbon atoms to which they are bonded are joined together to form a substituted or unsubstituted C3to about C30ring, saturated, partially unsaturated or fully unsaturated, optionally substituted with one or more heteroatoms, a is 0-3; b, c and d independently are integers from 0-5, R3, R4, R5and R6are independently hydrogen, a straight or branched C1-C30alkyl or alkylene group optionally substituted with one or more substituents, a substituted or unsubstituted C3-C12cycloalkyl, a substituted or unsubstituted C5-C25aryl, a substituted or unsubstituted C6-C25arylalkyl, a straight or branched C1-C30alkoxy group optionally substituted with one or more substituents or two R4substituents and/or two R5substituents and/or two R6substituents on adjacent carbon atoms of the aromatic ring associated therewith can be joined together to form a substituted or unsubstituted C3to about C30ring, saturated, partially unsaturated or fully unsaturated, optionally substituted with one or more heteroatoms. Lubricating oil compositions containing the tetraaromatic diamine compound additives are also provided.
REFERENCES:
patent: 3293181 (1966-12-01), Stuart
patent: 3397145 (1968-08-01), Cyba
patent: 3442804 (1969-05-01), Le Suer et al.
patent: 3509214 (1970-04-01), Braid et al.
patent: 3637499 (1972-01-01), Pollak
patent: 3882042 (1975-05-01), McGuigan et al.
patent: 3882043 (1975-05-01), McGuigan et al.
patent: 3882044 (1975-05-01), McGuigan et al.
patent: 5498809 (1996-03-01), Emert et al.
patent: 1 918 285 (1969-10-01), None
patent: 2 250 328 (1973-04-01), None
patent: 2 250 351 (1973-04-01), None
patent: 2 250 397 (1973-04-01), None
patent: 2 250 427 (1973-04-01), None
patent: 1224653 (1968-04-01), None
patent: 1 224 556 (1971-03-01), None
patent: 1 350 641 (1974-04-01), None
Tanaseichuk et al. “Influence of Substituents on the Rate of Dissociation of Tetraarylhydrazines”,Journal of Organic Chemistry of the USSR, vol. 8, No. 4, pp. 758-760, Apr. 1972. [English Abstract Included].
Zarubina, et al., “Possible preparation of antioxidant additives in dehydrocondensation reactions”,Sbornik Nauchnykh Trudov-Vsesoyuznyi Naucho-Issledovatel'skii Institu po Pererabotke Negti, vol. 42, pp.45-49, 1982. [English Abstract Included].
Tanaseichuk et al. “Effect of substituents on the dissociation rate of tetraarylhydrazines”,Zhurnal Organicheskoi Khimii, vol. 8, No. 4, pp. 758-760, 1972. [English Abstract Included].
Neugebauer, et al. “Aminyls. 4. Thermal decomposition of p-substituted tetraarylhydrazines”,Chemische Berichte, vol. 104, pp. 886-889, 1971. [English Abstract Included].
Cauquis, et al. “Characteristics of cation radicals of some diaryl-5,10-dihydro-5,10-phenazines and the corresponding tetraarylhydrazines. Acid degradation of these compounds”,Tetrahedron Letters, vol. 48, pp. 4649-4652, 1971. [English Abstract Included].
Neugebauer, et al. “Dissociation of tetraarylhydrazines”,Chemische Berichte, vol. 98, pp. 844-850, 1965. [English Abstract Included].
Radina, et al., “Structure, properties, and ability to dissociate into free radicals of some hydrazine derivatives. The problem of connection between chemical structure and ability to form free radicals of nitrogen”,Doklady Akademii Nauk SSSR, vol. 123, pp. 483-486, 1958. [English Abstract Included].
Caldarola Glenn A
Chemtura Corporation
Sher Jaimes
Weiss Pamela
LandOfFree
Tetraaromatic diamine compounds as antioxidants does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tetraaromatic diamine compounds as antioxidants, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tetraaromatic diamine compounds as antioxidants will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4118465