Patent ID: 11884611
Assignee: BASF SE
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 7:
8. The process according to claim 6, wherein the liquid comprises a compound of formula (IV), , wherein Z in formula (IV) represents a CHR3R4 group and wherein the variables R1, R2, R3, R4 independently of one another and especially jointly are as follows:
R1, R2: are identical or different and represent phenyl which is unsubstituted or bears 1, 2 or 3 substituents selected from methyl and methoxy;
R3 represents C1- to C4-alkyl;
R4 represents C1- to C4-alkyl bearing a P(=O)R4aR4b group;
wherein
R4a, R4b: are identical or different and represent phenyl which is unsubstituted or bears 1, 2 or 3 substituents selected from methyl and methoxy.