B01J31/0257 - CPC Classification Index

ClassID:

33123 ⎘

B01J31/0257 - CPC Classification

Classification description:

Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides; Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds; Phosphorus containing compounds Phosphorus acids or phosphorus acid esters

Sub-classes:

B01J31/0258 » {Phosphoric acid mono-, di- or triesters ((RO)(R’O)2P=O), i.e. R= C, R’= C, H} 35
B01J31/0259 » {comprising 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} 32
B01J31/0261 » {comprising 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} 8
B01J31/0262 » {comprising phosphinous acid (-ester) groups (R2P(OR’)) or the isomeric phosphine oxide groups (R3P=O) , i.e. R= C, R’= C, H} 2

Recent Application in this class:

20220340606

Diphosphites having an open and a closed 2,4-methylated outer unit

20220340511

Mixture of bisphosphites having an open and a closed outer unit and the use thereof as a catalyst mixture in hydroformylation

20220234967

Oligomerization process

20210155870

Use of hypophosphorous acid for the esterification of free fatty acids

20190296365

Carbon catalyst, and electrode and battery containing same

20180021975

FIRE RESISTANT WOODEN BODY AND METHOD FOR PRODUCING THEREOF

20130260286

Oxygen reduction catalyst and electrochemical cell

20120310021

Method for mitigating the formation of by-products during the production of haloalkane compounds

20050215425

Esterification catalyst and process therewith

17930089

Process and cracking catalyst for cracking butenes to produce light olefins