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Philippe Gabillet Patents |
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Inventor: Gabillet; Philippe
Address: Paris, FR
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5108635 |
Viscosity additive for lubricating oils, process for its preparation and lubricating composition |
April 28, 1992 |
| A composition of matter, particularly useful as a viscosity additive comprising:6 to 15 parts by weight of a 60/40-54/46 ethylene/propylene copolymer of Mw 155,000-250,000 (OCP),2 to 8 parts by weight of a poly(C.sub.1 -C.sub.20 alkyl methacrylate) of Mw 30,000-150,000 (PMA) with a PMA/O |
| 4791221 |
Transesterification of methyl methacrylate |
December 13, 1988 |
| Methyl methacrylate is efficiently transesterified with a heavy alcohol in the presence of (i) defined amounts of a lithium catalyst incrementally added to the reaction medium, and (ii) an azeotrope-forming compound which forms, together with the methanol produced, an azeotrope distillin |
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