Patents-Review.com
ClassID:

91252 āŽ˜

C07C37/52 - CPC Classification

Classification description:

Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes

Sub-classes:
Recent Application in this class:
#1
20260132266
2026-05-14

BASE-MEDIATED DECONSTRUCTION OF EPOXY RESINS

 #2
20250340712
2025-11-06

METHOD FOR PRODUCING BISPHENOL AND METHOD FOR PRODUCING RECYCLED POLYCARBONATE RESIN

 #3
20240409485
2024-12-12

PROCESS FOR PREPARING CRESOL FROM DITOLYLETHER

 #4
20240158603
2024-05-16

BASE-MEDIATED METHOD FOR THE RECYCLING OF EPOXY RESIN-CARBON FIBER COMPOSITES

 #5
20230406797
2023-12-21

PHENOL RECOVERY OF BISPHENOL-A MOTHER LIQUOR PURGE USING PURIFICATION TRAIN IN THE PHENOL PRODUCTION UNIT

 #6
20230374251
2023-11-23

MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, RECYCLED PLASTIC, AND MOLDED PRODUCT USING THE SAME

 #7
20230202953
2023-06-29

Fluid catalytic cracking of p-cresol dimer into phenolic monomers and process thereof

 #8
20220281791
2022-09-08

Method for decomposing phenol-based by-product

 #9
20220259125
2022-08-18

Method of decomposing phenolic by-products

 #10
20220251012
2022-08-11

Method of decomposing phenolic by-product

 #11
20210370257
2021-12-02

Hydrodearylation reactor

 #12
20210221760
2021-07-22

Method for decomposing phenolic by-product

 #13
20210130256
2021-05-06

Method for decomposing byproducts in phenol production process

 #14
20210106971
2021-04-15

Hydrodearylation reactor

 #15
20190299116
2019-10-03

Process and apparatus for controlling the split of liquid reflux in a divided wall column

 #16
20190248722
2019-08-15

Processes for preparing calix[4]arenes from calix[8]arenes

 #17
20180290954
2018-10-11

Method for recovering phenol and acetone from cracking reaction product of bisphenol-A residue

 #18
20170259252
2017-09-14

Catalyst for pyrolysis of feedstock

 #19
20170145043
2017-05-25

Depolymerization of lignin using metal incorporated mesoporous silicate catalysts

 #20
20160115113
2016-04-28

Aerobic Oxidative Esterification of Sugar-Derived 1,4-Disubstituted Benzene for Direct Synthesis of Dimethylterephthalate

 #21
20150224485
2015-08-13

Catalyst for pyrolysis of feedstock

 #22
20150158800
2015-06-11

Method of manufacturing 4,4ā€³-dihydroxy-m-terphenyl

 #23
20140179954
2014-06-26

Transition metal catalysts for Cā€”O hydrogenolysis and hydrodeoxygenation

 #24
20140121417
2014-05-01

Recovery of materials from a mother liquor residue

 #25
20130237939
2013-09-12

Compositions comprising structural isomers of 1,4-cyclohexanedimethanol dibenzoate and polymer compositions containing same

 #26
20120310015
2012-12-06

Recovery of phenol and acetone from bisphenol-A streams

 #27
20120310014
2012-12-06

Treatment of bisphenol-A residue streams

 #28
20100105960
2010-04-29

Process for recovering phenol from a BPA waste stream

 #29
20090142981
2009-06-04

Novel Compositions Comprising Structural Isomers Of 1,4-Cyclohexanedimethanol Dibenzoate and Polymer Compositions Containing Same