US 11,926,799 B2
2-iso-alkyl-2-(4-hydroxyphenyl)propane derivatives used as emulsion breakers for crude oil
Guillaume Robert Jean-Francois Raynel, Dhahran (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Dec. 14, 2021, as Appl. No. 17/550,353.
Prior Publication US 2023/0183583 A1, Jun. 15, 2023
Int. Cl. C10G 33/04 (2006.01); B01D 17/04 (2006.01); C08G 65/48 (2006.01); C08G 81/00 (2006.01)
CPC C10G 33/04 (2013.01) [B01D 17/047 (2013.01); C08G 65/485 (2013.01); C08G 81/00 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A demulsifying polymer of Formula (I):

OG Complex Work Unit Chemistry
wherein:
PPO is polypropylene oxide having the formula:

OG Complex Work Unit Chemistry
PEO is polyethylene oxide having the formula:

OG Complex Work Unit Chemistry
x is an integer between 0 and 10;
y is an integer between 0 and 10;
m is an integer between 0 and 20; and
n is an integer between 3 and 10.