公开(公告)号：US3726653A

公开(公告)日：1973-04-10

申请号：US3726653D

申请日：1970-12-14

Applicant: SHELL OIL CO

Inventor： VAN DER MEIJ P ,  BLOEMBERGEN R

IPC: C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/22 ,  C10L1/26

CPC classification number: C10L1/146 ,  C10L1/1641 ,  C10L1/1658 ,  C10L1/1955 ,  C10L1/1963 ,  C10L1/1966 ,  C10L1/1973 ,  C10L1/236 ,  C10L1/2362 ,  C10L1/2364 ,  C10L1/2675

Abstract: WAX-CONTAINING CRUDE OILS AND RESIDUAL FUELS CONTAINING, AS A POUR POINT DEPRESSANT, A MIXTURE OF OIL SOLUBLE POLYMERS OF OLEFINICALLY UNSATURATED MONOMERS HAVING ALIPHATIC HYDROCARBON SIDE CHAINS WITH AT LEAST 14 CARBON ATOMS AND OIL SOLUBLE COPOLYMERS OF ETHYLENE AND AN OLEFINICALLY UNSATURATED ALIPHATIC MONOMER HAVING FROM 3 TO 5 CARBON ATOMS PER MOLECULE HAVE IMPROVED POUR POINT CHARACTERISTICS.