ClassID:

91490

C07C45/786 - CPC Classification

Classification description:

Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds; Separation; Purification; Stabilisation; Use of additives by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis

Recent Application in this class:
#1
20260022088
2026-01-22

THERMOLYTIC FRAGMENTATION OF SUGARS

#2
20250296907
2025-09-25

METHOD FOR OBTAINING ACETOIN

#3
20250137091
2025-05-01

PROCESSES FOR RECOVERING RHODIUM FROM HYDROFORMYLATION PROCESSES

#4
20250026704
2025-01-23

PROCESS FOR HYDROFORMYLATION OF DIISOBUTENE AND A C4 TO C7 OLEFIN

#5
20240417355
2024-12-19

PROCESS FOR THE HYDROFORMYLATION OF DIISOBUTENE WITH PRECEDING DISTILLATION

#6
20240226771
2024-07-11

Fluorinated Fluid Conditioning System

#7
20240158329
2024-05-16

METHOD FOR PURIFYING VANILLIN OR DERIVATIVES THEREOF OBTAINED BY A BIOTECHNOLOGICAL METHOD

#8
20240131449
2024-04-25

Fluorinated Fluid Conditioning System

#9
20230250040
2023-08-10

Optimized thermal separation by prior gas exchange

#10
20220134287
2022-05-05

Coated porous polymeric membranes

#11
20220033337
2022-02-03

Process for preparing aldehydes and separation of the catalyst system by membrane separation

#12
20210363553
2021-11-25

DEVICE FOR FERMENTATION INTEGRATED WITH SEPARATION AND PURIFICATION OF ALCOHOLS

#13
20200299218
2020-09-24

Process for the recovery of ketones and glycols from fermentation

#14
20200206691
2020-07-02

Coated porous polymeric membranes

#15
20190248723
2019-08-15

Continuous process for the ozonolysis of lignin to yield aromatic monomers

#16
20190135723
2019-05-09

Process for the recovery of ketones and glycols from fermentation

#17
20190093134
2019-03-28

Method and device for fermentation integrated with separation and purification of alcohols

#18
20190062181
2019-02-28

Dehydration of water containing source of formaldehyde, and a method for producing an ethylenically unsaturated carboxylic ester

#19
20190023637
2019-01-24

Hydroformylation process

#20
20160304426
2016-10-20

Two-stage hydroformylation process with circulating gas and SILP technology

#21
20160159719
2016-06-09

Method of regulating the water content in a continuous method for producing methacrolein

#22
20160026088
2016-01-28

Method for manufacturing organic processing fluid for patterning of chemical amplification type resist film, organic processing fluid for patterning of chemical amplification type resist film, pattern forming method, method for manufacturing electronic device, and electronic device

#23
20160002136
2016-01-07

Optimized separation technique for work-up of homogeneously catalysed hydroformylation mixtures

#24
20150053616
2015-02-26

Dehydration of water containing source of formaldehyde, and a method for producing an ethylenically unsaturated carboxylic ester

#25
20150018576
2015-01-15

Method and device for the hydroformylation of isobutene and for the separation of the product mixture

#26
20140364567
2014-12-11

Styrene-siloxane triblock copolymers as membranes for selective transport of alcohols and other organic compounds in aqueous mixtures

#27
20130015052
2013-01-17

Liquid separation by membrane assisted vapor stripping process

#28
20110275777
2011-11-10

Method for producing acrolein comprising the regeneration of a raw glycerin phase

#29
20110040128
2011-02-17

Optimized production of ketones/aldehydes

#30
20090057128
2009-03-05

Liquid separation by membrane assisted vapor stripping process

#31
16894830
2020-12-15

Method of synthesizing cyclohexanone