C08B3/28 - CPC Classification Index

ClassID:

97391 ⎘

C08B3/28 - CPC Classification

Classification description:

Preparation of cellulose esters of organic acids; Post-esterification treatments, including purification; Isolation of the cellulose ester by precipitation

Recent Application in this class:

20250361327

2025-11-27

HYDROXYPROPYL METHYLCELLULOSE ACETATE SUCCINATE AND METHOD FOR PRODUCING HYDROXYPROPYL METHYLCELLULOSE ACETATE SUCCINATE

20230340161

2023-10-26

CELLULOSE-CONTAINING MATERIALS

20220227891

2022-07-21

CELLULOSE ACETATE AND METHOD FOR PRODUCING CELLULOSE ACETATE

20210269554

2021-09-02

Cellulose-containing materials

20190389977

2019-12-26

METHOD FOR PRODUCING CELLULOSE ACETATE FLAKES

20170204201

2017-07-20

Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom

20160237172

2016-08-18

Acylation process

20160032020

2016-02-04

Cellulose acetate with a low degree of substitution

20120101269

2012-04-26

REGIOSELECTIVELY SUBSTITUTED CELLULOSE ESTERS PRODUCED IN A CARBOXYLATED IONIC LIQUID PROCESS AND PRODUCTS PRODUCED THEREFROM

#10

20100029927

2010-02-04

Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom