Invention Grant
- Patent Title: Phosphite-oxidized c2 to c4 polymer organophosphorus product
- Patent Title (中): 磷酸氧化C2至C4聚合物有机磷产品
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Application No.: US3584082DApplication Date: 1968-06-03
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Publication No.: US3584082APublication Date: 1971-06-08
- Inventor: KORPICS CHARLES J , EDMISTEN WALTER C , CULBERTSON GEORGE S
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US73379768 1968-06-03
- Main IPC: C08F8/40
- IPC: C08F8/40 ; C10M1/46 ; C07F9/02
Abstract:
ORGANOPHOSPORUS PRODUCTS OF THE REACTION OF ONE MOL OF DIETHYL PHOSPHITE AND ABOUT 0.5-2 MOLS OF AN OXIDIZED POLYMER OBTAINED BY TREATING A C2-4 POLYMER, HAVING A MOLECULAR WEIGHT OF ABOUT 250-5000, WITH AIR IN THE PRESENCE OF A CATALYTIC AMOUNT OF MANGANOUS CARBONATE AT ABOUT 130-180*C. FOR ABOUT 20-60 HOUTRS, ARE USEFUL AS ASHLESS WEAR INHIBITORS IN LUBRICATING OIL COMPOSITIONS.
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