C07C45/87 - CPC Classification Index

ClassID:

91499 ⎘

C07C45/87 - CPC Classification

Classification description:

Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds Preparation of ketenes or dimeric ketenes

Sub-classes:

C07C45/88 » from ketones 0
C07C45/89 » from carboxylic acids, their anhydrides, esters or halides 13
C07C45/90 » Separation; Purification; Stabilisation; Use of additives 10

Recent Application in this class:

20160009622

2016-01-14

Process for preparing ketene in the presence of a fluidized bed material with a surface area of up to 600 M/g