Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2002-07-25
2008-07-08
Caldarola, Glenn (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C252S387000, C252S395000
Reexamination Certificate
active
07396802
ABSTRACT:
The reaction of the disulphided oil, as obtained from the caustic wash of liquefied petroleum gas, with 2,3,8,9,13,14-hexathia-5,6,11,12 -tetraazatricyclo [8.2.1.14,7]tetradeca-4,6,10,12-tetraene was carried out in one pot and one step to yield a corrosion inhibiting composition comprising predominantly of 2,5-bis(methyldithio)-1,3,4-thiadiazole, 2-methylthio-5-ethylthio-1,3,4-thiadiazole and 2,5-bis(ethyldithio)-1,3,4-thiadiazole, for application in fuels, lubes and greases. (I)
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Bhatnagar Akhilesh Kumar
Dohhen Khem Chand
Mondal Pankaj Kumar
Sarin Rakesh
Tuli Deepak Kumar
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Caldarola Glenn
Goloboy Jim
Indian Oil Corporation Limited
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