Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic compound containing boron
Reexamination Certificate
2011-03-08
2011-03-08
Griffin, Walter D (Department: 1774)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic compound containing boron
C508S192000, C508S196000
Reexamination Certificate
active
07902130
ABSTRACT:
The present invention provides a composition comprising the product prepared by hearing together: (a) a dispersant; and (b) a 1,3-dicarboxylic acid or 1,4-dicarboxylic acid of an aromatic compound, or a reactive equivalent thereof; and at least one of: (c) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole, or an oligomer thereof; (d) a borating agent; and (e) a phosphorus acid compound, or a reactive equivalent thereof, said heating being sufficient to provide a reaction product of (a), (b), and (c), (d), or (e), which is soluble in an oil of lubricating viscosity. The invention further provides a use for the composition.
REFERENCES:
patent: 3172892 (1965-03-01), Le Suer et al.
patent: 3287271 (1966-11-01), Stuart et al.
patent: 3374174 (1968-03-01), Le Suer
patent: 3381022 (1968-04-01), Le Suer
patent: 3411369 (1968-11-01), Hammann et al.
patent: 3708522 (1973-01-01), LeSuer
patent: 4136043 (1979-01-01), Davis
patent: 4234435 (1980-11-01), Meinhardt et al.
patent: 4704490 (1987-11-01), Tsubouchi et al.
patent: 4724091 (1988-02-01), Davis
patent: 4857214 (1989-08-01), Papay et al.
patent: 5164103 (1992-11-01), Papay
patent: 5330667 (1994-07-01), Tiffany et al.
patent: 5344579 (1994-09-01), Ohtani et al.
patent: 5407453 (1995-04-01), Pierce Ruhland et al.
patent: 5697988 (1997-12-01), Malfer et al.
patent: 6103673 (2000-08-01), Sumiejski et al.
patent: 6251840 (2001-06-01), Ward, Jr. et al.
patent: 6348075 (2002-02-01), Jackson
patent: 6451745 (2002-09-01), Ward
patent: 6458172 (2002-10-01), Macduff et al.
patent: 6528458 (2003-03-01), Tagliamonte et al.
patent: 7429554 (2008-09-01), Waters et al.
patent: 2003/0224948 (2003-12-01), Dam et al.
patent: 2005/0041395 (2005-02-01), Tipton et al.
patent: 2008/0248980 (2008-10-01), Sumiejski
patent: 1077249 (2001-02-01), None
patent: WO 2006/045044 (2006-04-01), None
Corresponding PCT Publication WO 2006/091387 A2 and Search Report; date of publication of Search Report: Aug. 31, 2006.
USPTO Office Communicaton mailed Sep. 2, 2010 for copending U.S. Appl. No. 11/816,206.
Baker Mark R.
Baumanis Charles K.
Campanell Frank C
Griffin Walter D
Hilker Christopher D.
Shold David M.
The Lubrizol Corporation
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