Patents-Review.com
ClassID:

94013 ⎘

C07D201/08 - CPC Classification

Classification description:

Preparation, separation, purification or stabilisation of unsubstituted lactams; Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles

Recent Application in this class:
#1
20220089536
2022-03-24

Process for the production of epsilon caprolactam from 6-aminocaproic acid

 #2
20220064679
2022-03-03

PREPARATION OF 6-AMINOCAPROIC ACID FROM 5-FORMYL VALERIC ACID

 #3
20210171459
2021-06-10

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #4
20210094020
2021-04-01

Oxidation catalysts

 #5
20200291436
2020-09-17

PREPARATION OF 6-AMINOCAPROIC ACID FROM 5-FORMYL VALERIC ACID

 #6
20200062704
2020-02-27

Method for producing ϵ-caprolactam

 #7
20190218580
2019-07-18

PREPARATION OF 6-AMINOCAPROIC ACID FROM 5-FORMYL VALERIC ACID

 #8
20190144385
2019-05-16

Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives

 #9
20180237389
2018-08-23

Method of producing epsilon-caprolactam

 #10
20180237388
2018-08-23

Process for the preparation of lactams from glyoxalic acid

 #11
20180214853
2018-08-02

Oxidation catalysts

 #12
20180100172
2018-04-12

PREPARATION OF 6-AMINOCAPROIC ACID FROM 5-FORMYL VALERIC ACID

 #13
20170320819
2017-11-09

Method for producing epsilon-caprolactam

 #14
20170028386
2017-02-02

Processes for the manufacturing of oxidation catalysts

 #15
20160200677
2016-07-14

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #16
20160075676
2016-03-17

Production of adipic acid and derivatives from carbohydrate-containing materials

 #17
20140134681
2014-05-15

Preparation of 6-aminocaproic acid from 5-formyl valeri C acid

 #18
20140056803
2014-02-27

Production of nitrogen compounds from a methane conversion process

 #19
20130137863
2013-05-30

Preparation of caprolactone, caprolactam, 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol or 1,2,6-hexanetriol from 5-hydroxymethyl-2-furfuraldehyde

 #20
20130131306
2013-05-23

Processes for producing caprolactam and derivatives thereof from fermentation broths containing diammonium adipate or monoammonium adipate

 #21
20130030146
2013-01-31

PREPARATION OF CAPROLACTAM FROM 6-AMINO CAPROIC ACID OBTAINED IN A FERMENTATION PROCESS

 #22
20120142886
2012-06-07

Synthesis of caprolactam from lysine

 #23
20120095212
2012-04-19

Process for preparing lactams

 #24
20110306790
2011-12-15

Oxidation catalysts

 #25
20110257358
2011-10-20

METHOD FOR PREPARING E-CAPROLACTAM FROM N-ACYL-6-AMINOCAPROIC ACID

 #26
20110171699
2011-07-14

Preparation of 6-aminocaproic acid from 5-formylvaleric acid

 #27
20100317823
2010-12-16

Production of adipic acid and derivatives from carbohydrate-containing materials

 #28
20100145003
2010-06-10

Catalytic deamination for caprolactam production

 #29
20090234115
2009-09-17

Production of lactams

 #30
20090005532
2009-01-01

Synthesis of caprolactam from lysine

 #31
20080230368
2008-09-25

Process for the purification of lactams

 #32
20070149777
2007-06-28

Synthesis of caprolactam from lysine

 #33
20060161000
2006-07-20

Preparation of lactams

 #34
20060084832
2006-04-20

Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein

 #35
20060041122
2006-02-23

Purification of caprolactam

 #36
20050148655
2005-07-07

Production of N-(methyl aryl)-2-lactam, N-(methyl cycloalkyl)-2-lactam and N-alkyl-2-lactam by reductive amination of lactones with aryl and alkyl cyano compounds