CN109675618A
2019-01-28
A kind of novel acetylacetone,2,4-pentanedione synthesis catalyst and preparation method thereof
CN109851498A
2019-01-28
A kind of New Type of Ethylene ketone ester is combined to the preparation method of IPA
CN105107421A
2015-09-17
Acetic acid mixer structure
CN105214328A
2015-09-17
A kind of crude steam kettle structure for the preparation of acetylacetone,2,4-pentanedione
CN105107222A
2015-09-17
Circulating pyrolysis gas quenching device
CN105080449A
2015-09-17
Steaming generation kettle equipment
CN105126392A
2015-09-17
Environment-friendly gas-liquid separator structure
CN105107602A
2015-09-17
Calcium acetylacetonate pulverizer
CN105107262A
2015-09-17
Same-impurity multi-filter separator structure
CN105126680A
2015-09-17
Water-phase organic-phase stirring device
CN105107232A
2015-09-17
Precooling type cooling separation structure
CN105107219A
2015-09-17
Rectification device
CN102557884A
2012-01-16
Preparation method of thymol
CN101485999A
2008-12-24
Lewis acid catalyst as well as preparation method and application thereof in technique for producing acetylacetone by isopropenyl acetate displacement method