B01J2540/52 - CPC Classification Index

ClassID:

34752 ⎘

B01J2540/52 - CPC Classification

Classification description:

Compositional aspects of coordination complexes or ligands in catalyst systems; Non-coordinating groups comprising phosphorus Phosphorus acid or phosphorus acid ester groups

Sub-classes:

B01J2540/522 » being phosphoric acid mono-, di- or triester groups ((RO)(R’O)2P=O), i.e. R= C, R’= C, H 0
B01J2540/525 » being phosphorous acid (-ester) groups ((RO)P(OR’)2) or the isomeric phosphonic acid (-ester) groups (R(R’O)2P=O), i.e. R= C, R’= C, H 3
B01J2540/527 » being phosphonous acid (-ester) groups (RP(OR’)2) or the isomeric phosphinic acid (-ester) groups (R2(R’O)P=O), i.e. R= C, R’= C, H 2

Recent Application in this class:

20180127333

2018-05-10

Catalyst system for olefin oligomerization and method for olefin oligomerization using the same

20180094085

2018-04-05

Catalyst system for olefin oligomerization reaction, and method for olefin oligomerization using the same

20180030166

2018-02-01

Catalyst composition and method of preparing polyolefin using the same