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US 5,292,443 AGranted
Process for producing neutralized sulfurized alkylphenate lubricant detergent additive
AssigneeTexaco Inc.
InventorsCarl K. Esche, Jr., Gregory P. Anderson, John R. Sanderson
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Abstract
A non-diluent oil process for producing a fluid sulfurized/neutralized phenate comprising: a) oligomerizing a (C.sub.6 -C.sub.20) olefin; b) alkylating the oligomerized olefin to produce a oligomerized (C.sub.6 -C.sub.20) alkyl phenol; c) neutralizing and sulfurizing the oligomerized (C.sub.6 -C.sub.20) alkyl phenol to produce a fluid neutralized/sulfurized phenate product; and d) recovering said fluid phenate product.
Claims4
A non-diluent oil process for producing a fluid neutralized/sulfurized phenate comprising:
- a) oligomerizing a (C.sub.6 -C.sub.20) olefin;
- b) alkylating phenol with said oligomerized olefin to produce a oligomerized (C.sub.6 -C.sub.20) alkyl phenol;
- c) neutralizing and sulfurizing said oligomerized (C.sub.6 -C.sub.20) alkyl phenol, with Ca(OH).sub.2, ethylene glycol and elemental sulfur in the absence of an oil diluent to produce a fluid neutralized/sulfurized phenate product;
- and
- d) recovering said fluid phenate product.
2 more elements
Dependencies are inferred from the claim text.