Patents-Review.com
ClassID:

84767 ⎘

C01B21/50 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Nitrogen oxides; Oxyacids of nitrogen; Salts thereof Nitrous acid; Salts thereof

Recent Application in this class:
#1
20260116754
2026-04-30

FREE FLOWING SODIUM NITRITE AND METHOD OF PRODUCTION

 #2
20250382173
2025-12-18

COMPROPORTIONATION-BASED AUTOCATALYTIC CYCLES AND RELATED METHODS

 #3
20250073262
2025-03-06

SODIUM NITRITE-CONTAINING PHARMACEUTICAL COMPOSITIONS

 #4
20240336482
2024-10-10

POWDER COMPOSITION

 #5
20240239674
2024-07-18

Forms of sodium nitrite and impurity profile thereof

 #6
20240190706
2024-06-13

Methods for Oxidizing a Nitrogen Oxide to Nitrate

 #7
20240025743
2024-01-25

A FREE-FLOWING FOOD GRADE SODIUM NITRITE AND PRODUCTION METHOD THEREOF

 #8
20230264967
2023-08-24

Forms of sodium nitrite and impurity profile thereof

 #9
20230256006
2023-08-17

Sodium nitrite-containing pharmaceutical compositions

 #10
20220242732
2022-08-04

A FREE FLOWING SODIUM NITRITE AND METHOD OF PRODUCTION

 #11
20220241739
2022-08-04

Venturi air-ammonia mixer enabled for two burner system

 #12
20220177787
2022-06-09

NEUTRALIZATION OF HYDROGEN SULFIDE AND LIGHT MERCAPTANES IN HYDROCARBON MEDIA

 #13
20220169508
2022-06-02

PHARMACEUTICAL FORMULATIONS OF NITRITE AND USES THEREOF

 #14
20220135407
2022-05-05

APPARATUS AND PROCESS FOR CONVERSION OF AMMONIA INTO OXIDES OF NITROGEN

 #15
20220088359
2022-03-24

ELECTROCHEMICAL GASOTRANSMITTER GENERATING COMPOSITIONS AND BIMETALLIC CELLS FOR THE GENERATION OF GASOTRANSMITTERS

 #16
20210276891
2021-09-09

System and method for removing nitrate from water

 #17
20210100833
2021-04-08

Sodium nitrite-containing pharmaceutical compositions

 #18
20200237809
2020-07-30

Sodium nitrite-containing pharmaceutical compositions

 #19
20200121714
2020-04-23

Pharmaceutical formulations of nitrite and uses thereof

 #20
20200016193
2020-01-16

Sodium nitrite-containing pharmaceutical compositions

 #21
20190062160
2019-02-28

Pharmaceutical formulations of nitrite and uses thereof

 #22
20180256638
2018-09-13

Sodium nitrite-containing pharmaceutical compositions

 #23
20180221210
2018-08-09

Electrochemical gasotransmitter generating compositions and methods of using same and dressings and treatment systems incorporating same

 #24
20180179451
2018-06-28

NEUTRALIZATION OF HYDROGEN SULFIDE AND LIGHT MERCAPTANES IN HYDROCARBON MEDIA

 #25
20180015209
2018-01-18

Nitrite eluting devices and methods of use thereof

 #26
20170349438
2017-12-07

PHARMACEUTICAL FORMULATIONS OF NITRITE AND USES THEREOF

 #27
20170252368
2017-09-07

Sodium nitrite-containing pharmaceutical compositions

 #28
20160376527
2016-12-29

Pyrophoric iron sulfide treatment using sodium nitrite

 #29
20160367592
2016-12-22

Sodium nitrite-containing pharmaceutical compositions

 #30
20160361355
2016-12-15

Sodium nitrite-containing pharmaceutical compositions

 #31
20160151413
2016-06-02

Sodium nitrite-containing pharmaceutical compositions

 #32
20160039675
2016-02-11

Nitrous acid generator

 #33
20150266736
2015-09-24

Rust preventing liquid solution for disc brake rotors

 #34
20150072025
2015-03-12

Sodium nitrite-containing pharmaceutical compositions

 #35
20150072024
2015-03-12

Sodium nitrite-containing pharmaceutical compositions

 #36
20140186254
2014-07-03

Nitrogen fixation by titanium dioxide

 #37
20140023730
2014-01-23

Sodium nitrite-containing pharmaceutical compositions

 #38
20100203172
2010-08-12

Sodium nitrite-containing pharmaceutical compositions

 #39
20090247391
2009-10-01

NITROGEN FIXATION BY TITANIUM DIOXIDE