ClassID:

95156

C07D323/06 - CPC Classification

Classification description:

Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms; Six-membered rings Trioxane

Recent Application in this class:
#1
20250304548
2025-10-02

COMPOSITION, AND METHOD FOR PRODUCING TRIOXANE USING SAME

#2
20250257047
2025-08-14

METHOD FOR PREPARING TRIOXANE DERIVATIVES

#3
20240425472
2024-12-26

METHOD FOR PRODUCING TRIOXANE OR METHYLAL

#4
20230069011
2023-03-02

PROCESS AND DEVICE FOR PREPARING TRIOXANE FROM METHANOL

#5
20220049043
2022-02-17

Use of Biomass to Produce Polyoxymethylene Copolymers

#6
20210292296
2021-09-23

1,2,4-Trioxane compounds and compositions comprising the same for use in the treatment of COVID-19

#7
20200261823
2020-08-20

Energy recovery in a method for preparing 1,3,5-trioxane

#8
20190300497
2019-10-03

Process for producing a cyclic acetal in a heterogeneous reaction system

#9
20180118885
2018-05-03

Trioxane composition and method for storing same

#10
20170233366
2017-08-17

Method for preparing trioxane

#11
20160168324
2016-06-16

Trioxane composition and method for storing the same

#12
20160089661
2016-03-31

Solid phosphoric acid catalyst, and method for producing trioxane

#13
20160075679
2016-03-17

Method of producing trioxane

#14
20140350216
2014-11-27

Process for producing a cyclic acetal in a heterogeneous reaction system

#15
20140343302
2014-11-20

Process for recycling polyacetals

#16
20140343301
2014-11-20

Process for producing a cyclic acetal

#17
20140343300
2014-11-20

Process for the production of trioxane from aqueous formaldehyde sources

#18
20140329988
2014-11-06

Integrated process for producing cyclic acetals and oxymethylene polymers

#19
20140316147
2014-10-23

Process for the production of trioxane

#20
20130261319
2013-10-03

Method for preparing 1,3,5-trioxane

#21
20130261318
2013-10-03

Method for preparing 1,3,5-trioxane

#22
20100324311
2010-12-23

METHOD FOR THE PRODUCTION OF CRUDE TRIOXANE

#23
20100280195
2010-11-04

Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol

#24
20100270140
2010-10-28

Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification

#25
20100152466
2010-06-17

INTEGRATED METHOD FOR PRODUCING TRIOXANE FROM FORMALDEHYDE

#26
20100145079
2010-06-10

METHOD FOR PRODUCING CYCLIC FORMALDEHYDE DERIVATIVES FROM POLYOXY DIALKYL ETHERS

#27
20100130756
2010-05-27

METHOD FOR PRODUCING TRIOXANE FROM TRIOXYMETHYLENE GLYCOL DIMETHYL ETHER

#28
20100121081
2010-05-13

Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification

#29
20090187033
2009-07-23

Integrated method for the preparation of trioxane from formaldehyde

#30
20080293954
2008-11-27

Process for synthesizing trioxymethylene using ionic liquid

#31
20080283384
2008-11-20

Process for Producing Trioxane and at Least One Comonomer

#32
20080281109
2008-11-13

Integrated Method For the Production of Trioxane From Formaldehyde

#33
20080234459
2008-09-25

Process for Preparing Polyoxymethtylene Homopolymers or Copolymers

#34
20080194845
2008-08-14

Integrated Process For Preparing Trioxane From Formaldehyde

#35
20070293689
2007-12-20

Trioxane production method wherein a side aqueous flow is deducted at a first distillation stage

#36
20070293688
2007-12-20

Method for the Separation by Distillation of Pure Trioxane

#37
20070272540
2007-11-29

Method for separating trioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectification

#38
20070155972
2007-07-05

Method for separating trioxane from a mixture containing trioxane, formaldehyde and water

#39
20070135649
2007-06-14

Method of synthesizing trioxymethylene from formaldehyde by the catalytic action of an ionic liquid

#40
20060142378
2006-06-29

Amino-functionalized 1,2,4-trioxanes useful as antimalarial agents and process for preparation thereof

#41
20060058537
2006-03-16

Method for the produciton of trioxane

#42
20050256184
2005-11-17

1,2,4-Trioxanes and 1,2,4-trioxepanes

#43
20050176973
2005-08-11

Method for producing pure trioxane