ClassID:

93193

C07C273/1827 - CPC Classification

Classification description:

Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas with formation of the N-C(O)-N moiety from -N=C=O and XNR'R" X being H

Recent Application in this class:
#1
20260146238
2026-05-28

UREA-BASED ICE RECRYSTALLIZATION INHIBITOR COMPOUNDS AND COMPOSITIONS, AND USES THEREOF FOR CRYOPRESERVATION

#2
20230286911
2023-09-14

POLYMER WITH UPPER CRITICAL SOLUTION TEMPERATURE

#3
20230159436
2023-05-25

APPLICATIONS OF AMIDE ANALOGS OF TRITERPENES IN CURES OF CANCER AND OTHER DISEASES

#4
20230101100
2023-03-30

One Pot Synthesis of Urea (Meth)Acrylates

#5
20210403418
2021-12-30

Method for removing monoisocyanates from organic solution

#6
20200361859
2020-11-19

Polymer with upper critical solution temperature

#7
20120226071
2012-09-06

Process for preparing polyisocyanates comprising biuret groups

#8
20110265691
2011-11-03

Method for producing rheologically effective urea urethanes in organic salts

#9
20100256416
2010-10-07

Process for production of N-carbamoyl-tert-leucine

#10
20100179223
2010-07-15

Compounds, compositions, and methods for the treatment of synucleinopathies

#11
20100144872
2010-06-10

New Methylenebisphenyl Compounds Useful in the Treatment of Inflammation

#12
20100093981
2010-04-15

Carbamoylation of amines, thiophenols, mercaptanes and phenols employing organic azides

#13
20090047498
2009-02-19

METHOD FOR PROVIDING NANOWEB COMPOSITE MATERIAL

#14
20070276034
2007-11-29

Compounds, compositions and methods for the treatment of synucleinopathies

#15
20070249816
2007-10-25

Methods for carbon istope labeling synthesis by rhodium-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide

#16
20060128957
2006-06-15

Fluorous tagging and scavenging reactants and methods of synthesis and use thereof

#17
20060002851
2006-01-05

Methods for carbon isotope labeling synthesis by transition metal-promoted carbonylation via isocyanate using azides and carbon-isotope monoxide

#18
20050192442
2005-09-01

Method for preparing 2-hydroxy-6-ureidocarbonyl naphthalene derivative