Patent ID: 11958875
Assignee: AFTON CHEMICAL CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A thiophosphoric acid product comprising at least a compound having the structure of Formula I, , wherein
R1 is sulfur or oxygen;
R2 and R3 are, independently, one of —OR4 or —OH, and each R4 if included is, independently, a C3 to C18 linear or branched alkyl group, a C5 to C6 cycloalkyl group, a phenyl group, or a C6 to C18 alkylphenol group; and
wherein the thiophosphoric acid product has about 0.1 mmoles/gram or less of active sulfur as measured via titration with triphenyl phosphine.