ClassID:

91599

C07C49/21 - CPC Classification

Classification description:

Ketones; Ketenes; Dimeric ketenes ; Ketonic chelates; Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing rings other than six-membered aromatic rings

Recent Application in this class:
#1
20260078079
2026-03-19

FRAGRANCE AND FLAVOR COMPOSITIONS COMPRISING NORBORNANE AND NORBORNENE DERIVATIVES

#2
20240400497
2024-12-05

DERIVATIVES FROM 2,5,6-TRIMETHYLCYCLOHEX-2-EN-1-OL AS AROMA INGREDIENTS

#3
20220204434
2022-06-30

Process for the preparation of intermediates for the synthesis of vitamin A derivatives from polyenes by cyclisation

#4
20210087124
2021-03-25

Reactive distillation for forming surfactants

#5
20200131451
2020-04-30

Organoleptic compounds

#6
20190292127
2019-09-26

Process for the preparation of polysantol-type compounds

#7
20180258371
2018-09-13

PERFUME SYSTEMS

#8
20180230398
2018-08-16

PERFUME SYSTEMS

#9
20180105477
2018-04-19

Method for preparing optically active carbonyl compound

#10
20180029951
2018-02-01

Ionone stabilisers for nitrocellulose-based propellants

#11
20160326458
2016-11-10

Perfume systems

#12
20150275132
2015-10-01

PERFUME SYSTEMS

#13
20150147287
2015-05-28

LOW VOLATILE REACTIVE MALODOR COUNTERACTIVES AND METHODS OF USE THEREOF

#14
20140030204
2014-01-30

Ketones as perfuming ingredients

#15
20140010774
2014-01-09

Saffron odorants

#16
20130296323
2013-11-07

Geranyl geranyl acetone (GGA) derivatives and compositions thereof

#17
20130045906
2013-02-21

Bicyclo-ketones as perfuming ingredients

#18
20110308556
2011-12-22

Perfume systems

#19
20110039755
2011-02-17

Fragrance

#20
20110014143
2011-01-20

Ketones as perfuming ingredients

#21
20100111888
2010-05-06

Organic Compounds and Compositions Having the Ability to Modulate Fragrance Compositions

#22
20090298950
2009-12-03

CYCLOPENTANE/CYCLOPENTENE ALDEHYDE OR KETONE DERIVATIVES AND THEIR USE AS ODORANTS

#23
20090182153
2009-07-16

PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE ALLYL COMPOUND

#24
20080269528
2008-10-30

Method for the production of optically active carbonyl

#25
20080248990
2008-10-09

Oxygen-containing tri- or tetra-cyclic terpenoid compounds

#26
20080138482
2008-06-12

USE OF NEW CAMPHOLENIC DERIVATIVES AS FRAGRANT INGREDIENTS IN PERFUMERY AND FLAVOURING

#27
20080004353
2008-01-03

Anticonvulsant compounds

#28
20070244328
2007-10-18

Organocatalysts and methods of use in chemical synthesis

#29
20070238629
2007-10-11

Fragrance compositions from tertiary terpene alcohols

#30
20060224019
2006-10-05

Process for the preparation of ketones by ozonolysis

#31
20060036116
2006-02-16

Process for the direct conversion of lactones into unsaturated ketones or aldehydes

#32
20050187289
2005-08-25

Pest control compositions and methods for their use

#33
20050176818
2005-08-11

Compounds for pest control and methods for their use

#34
20050080297
2005-04-14

Catalytic system for aldol reactions

#35
20050004401
2005-01-06

Processes for preparing β-hydroxy-ketones and α,β-unsaturated ketones

#36
20050004378
2005-01-06

Norbornane and norbornene derivatives, use thereof and perfumed products containing same