Patents-Review.com
ClassID:

91107 ⎘

C07C29/78 - CPC Classification

Classification description:

Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring; Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by condensation or crystallisation

Recent Application in this class:
#1
20250269366
2025-08-28

CONTINUOUS ION EXCHANGE AND ESTERIFICATION OF FERMENTED MALONIC ACID

 #2
20250236577
2025-07-24

METHANOL DISTILLATION SYSTEM WITH ENHANCEMENTS FOR IMPROVED EFFICIENCY

 #3
20250091974
2025-03-20

Device and method for refining ethanol

 #4
20250011263
2025-01-09

A MODIFIED AIR STRIPPING PROCESS AND APPARATUS

 #5
20240300877
2024-09-12

METHODS FOR CO-PRODUCING XYLITOL AND CARAMEL PIGMENT

 #6
20240286984
2024-08-29

Preparation systems and preparation methods for high-quality xylitol crystals

 #7
20240286983
2024-08-29

PREPARATION SYSTEMS AND PREPARATION METHODS FOR XYLITOL CRYSTALS

 #8
20240239730
2024-07-18

PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES

 #9
20240174590
2024-05-30

ACETIC ACID PRODUCTION

 #10
20240109829
2024-04-04

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

 #11
20240059638
2024-02-22

Processes to create multiple value streams from biomass sources

 #12
20240051909
2024-02-15

Acetic acid production

 #13
20230348350
2023-11-02

Systems and methods for co-producing xylitol and caramel pigment by utilizing xylose mother liquid

 #14
20230348349
2023-11-02

SYSTEMS AND METHODS FOR A REFINEMENT PROCESSING OF XYLITOL FERMENTATION BROTH

 #15
20230313236
2023-10-05

SYSTEM AND METHOD FOR JOINTLY PRODUCING ERYTHRITOL AND LIQUID SORBITOL BY USING CORN STARCH

 #16
20230265030
2023-08-24

ISOBUTANOL PRODUCTION PROCESS

 #17
20230264162
2023-08-24

SYSTEM AND METHOD FOR COOLING A METHANOL REACTOR EFFLUENT VAPOR STREAM IN METHANOL PRODUCTION PLANT

 #18
20230183156
2023-06-15

Method of preparing isopropyl alcohol

 #19
20230058914
2023-02-23

PROCESS AND REACTION SYSTEM FOR THE PREPARATION OF METHANOL

 #20
20220388931
2022-12-08

DIHYDROXYLATION OF OLEFINS USING OSMATE (VI) SALTS

 #21
20220363619
2022-11-17

Pharmaceutical compositions comprising monoterpenes

 #22
20220298091
2022-09-22

Online method for processing wax-containing crude methanol stream

 #23
20220185751
2022-06-16

Method and system for the production of methanol

 #24
20220064089
2022-03-03

METHOD FOR PRODUCING 1,2-ALKANE DIOLS IN A SOLID DOSAGE FORM

 #25
20210395174
2021-12-23

Xylitol preparation device integrating evaporation, crystallization and centrifugal separation and control method thereof

 #26
20210340086
2021-11-04

Method for extracting polyol from a fermentation process

 #27
20210316227
2021-10-14

Method for improving water balance and/or efficiency in ethanol production

 #28
20210292261
2021-09-23

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

 #29
20210130271
2021-05-06

PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES

 #30
20210032210
2021-02-04

Resveratrol-piperazine co-crystals

 #31
20200392057
2020-12-17

Process for preparing an alcohol from hydrocarbons

 #32
20200354296
2020-11-12

Processes to create multiple value streams from biomass sources

 #33
20200325438
2020-10-15

Integrated process for ethanol separation from fermented broth for low temperature applications

 #34
20200299215
2020-09-24

Processes for the production of ethylene oxide and ethylene glycol

 #35
20200262773
2020-08-20

Procedure for crystallization of (22E)-(24R)-2-methylene-22-dehydro-1α,24-25-trihydroxy-19-nor-vitamin D

 #36
20200131106
2020-04-30

Pharmaceutical compositions comprising monoterpenes

 #37
20200079712
2020-03-12

Heat integration in a process for the preparation of ethylene carbonate and ethylene glycol

 #38
20200071249
2020-03-05

Process for purifying a crude composition including a monoterpene compound, such as a monocyclic monoterpene alcohol, by layer melt crystallization

 #39
20200039904
2020-02-06

Process for enriching enantiomers from an enantiomer mixture

 #40
20200031747
2020-01-30

Method for manufacturing calcium diglyceroxide

 #41
20200009507
2020-01-09

Water-alcohol separation system and water-alcohol separation method for producing alcohol

 #42
20190233356
2019-08-01

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

 #43
20190161425
2019-05-30

Process for the synthesis of docosanol

 #44
20190062173
2019-02-28

PROCESS FOR MAKING SOLID PARTICLES

 #45
20190039981
2019-02-07

Processes to create multiple value streams from biomass sources

 #46
20180305282
2018-10-25

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporation under vacuum

 #47
20170198312
2017-07-13

NON PURIFIED GLYCEROL

 #48
20170088494
2017-03-30

PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES

 #49
20170050119
2017-02-23

Simultaneous recovery of organic compounds and extractants

 #50
20160369049
2016-12-22

Plastic composition comprising a polycarbonate made from low sulfur bisphenol A, and articles made therefrom

 #51
20160332942
2016-11-17

Pharmaceutical compositions comprising monoterpenes

 #52
20160244388
2016-08-25

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

 #53
20160228370
2016-08-11

Selective production method for D-mannitol α-form crystal using spray-drying method

 #54
20160200651
2016-07-14

Methanol purification method and apparatus

 #55
20160158162
2016-06-09

Pharmaceutical compositions comprising monoterpenes

 #56
20160039730
2016-02-11

Pharmaceutical compositions comprising monoterpenes

 #57
20160031775
2016-02-04

System and method for producing neopentyl glycol

 #58
20150368173
2015-12-24

Pharmaceutical compositions comprising monoterpenes

 #59
20150307425
2015-10-29

RECAPTURE OF ETHANOL FROM AGING BARREL

 #60
20150307424
2015-10-29

PROCESS FOR THE PRODUCTION AND SEPARATION OF MANNITOL AND SORBITOL FROM A MIXTURE WHICH WAS OBTAINED BY HYDROGENATION OF A PRECURSOR

 #61
20150218071
2015-08-06

Process for producing compositions rich in crystals of mannitol in delta form, compositions and crystals obtained and uses thereof

 #62
20150099901
2015-04-09

Method for producing hydrogenated biphenol

 #63
20130345421
2013-12-26

Process of isolating enantiomer components from enantiomer mixtures by particle-size-controlled crystallization

 #64
20130303807
2013-11-14

Pharmaceutical compositions comprising monoterpenes

 #65
20130261346
2013-10-03

Process for the preparation of directly compressible δ-mannitol

 #66
20130253229
2013-09-26

Apparatus and process for using olefin as an azeotropic entrainer for isolating 1,3-DICHLORO-2-propanol from a 2,2′-oxybis (1-chloropropane) waste stream

 #67
20130221837
2013-08-29

POLYCARBONATE MADE FROM LOW SULFUR BISPHENOL A AND CONTAINING CONVERIONS MATERIAL CHEMISTRY, AND ARTICLES MADE THEREFROM

 #68
20130190538
2013-07-25

Process for the preparation of protoescigenin

 #69
20130046118
2013-02-21

Method for producing optically active, racemic menthol

 #70
20120253084
2012-10-04

VENT SCRUBBERS FOR USE IN PRODUCTION OF ETHANOL

 #71
20120156496
2012-06-21

Mannitol crystal powder having a low fine-particle content, and method for producing same

 #72
20120116130
2012-05-10

Methods of synthesis of scyllitol and related compounds

 #73
20120010448
2012-01-12

Finishing reactor for purifying ethanol

 #74
20110313205
2011-12-22

Methods and apparatus for production of natural L-menthol

 #75
20110306807
2011-12-15

Methanol purification method and apparatus

 #76
20110282105
2011-11-17

PROCESSES FOR THE CRYSTALLIZATION OF 2,2,4,4-TETRAMETHYLCYCLOBUTANEDIOL

 #77
20110280860
2011-11-17

Pharmaceutical compositions comprising monoterpenes

 #78
20110184169
2011-07-28

PROCESS OF ISOLATING ENANTIOMER COMPONENT FROM ENANTIOMER MIXTURES BY PARTICLE-SIZE-CONTROLLED CRYSTALLIZATION

 #79
20110065967
2011-03-17

Preparation of mannitol modification III

 #80
20110054223
2011-03-03

Method for purifying optically active 1-(2-trifluoromethylphenyl)ethanol

 #81
20100298595
2010-11-25

Method for separation of olefin-alcohol azeotropic mixture

 #82
20100249467
2010-09-30

Method for producing optically active, racemic menthol

 #83
20100158760
2010-06-24

Method and apparatus for producing methanol with hydrocarbon recycling

 #84
20100152500
2010-06-17

Method of preparing pentaerythritol

 #85
20100063331
2010-03-11

Processes for the crystallization of 2,2,4,4-tetramethylcyclobutanediol

 #86
20100063330
2010-03-11

Paricalcitol purification

 #87
20090062575
2009-03-05

Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process

 #88
20090007903
2009-01-08

Method for producing a powder containing xylitol crystal particles with another polyol

 #89
20080306312
2008-12-11

Process for Obtaining Alkoxides

 #90
20080228013
2008-09-18

Process for purifying menthol

 #91
20080214877
2008-09-04

Method for the production of enriched isopulegol

 #92
20080200733
2008-08-21

Processes For The Preparation Of Purified Solanesol, Solanesyl Bromide & Solanesyl Acetone

 #93
20070160708
2007-07-12

Process for the production of confectionery products

 #94
20060210658
2006-09-21

Processes for obtaining (-)-guaiol and the use thereof

 #95
20060154995
2006-07-13

Method and apparatus for producing methanol with hydrocarbon recycling

 #96
20050143474
2005-06-30

Processes for obtaining (-)-guaiol and the use thereof

 #97
14566091
2015-09-29

Process for 2,2,4,4-tetramethylcyclobutane-1,3-diol crystallization