ClassID:

84685

C01B21/0682 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon Preparation by direct nitridation of silicon

Recent Application in this class:
#1
20260062294
2026-03-05

METHOD AND APPARATUS FOR PRODUCING SILICON-CONTAINING MATERIALS

#2
20260028226
2026-01-29

PROCESS FOR PRODUCING SILICON NITRIDE POWDER

#3
20250282688
2025-09-11

SILICON NITRIDE POWDER AND METHOD FOR PRODUCING SAME, AND SILICON NITRIDE SINTERED BODY AND METHOD FOR PRODUCING SAME

#4
20250026642
2025-01-23

SILICON CARBIDE DEVICES AND METHODS OF MAKING AND USING THE SAME

#5
20240140798
2024-05-02

METHOD FOR PREPARING SILICON NITRIDE POWDER FOR MANUFACTURING SUBSTRATE AND SILICON NITRIDE POWDER PREPARED THEREBY

#6
20240128439
2024-04-18

CYCLOHEXASILANE FOR ELECTRODES

#7
20230339755
2023-10-26

SYNTHESIS METHOD OF SILICON NITRIDE POWDER AND SINTERED BODY

#8
20230274992
2023-08-31

SILICON NITRIDE SUBSTRATE, SILICON NITRIDE CIRCUIT SUBSTRATE, AND EVALUATION METHOD, EVALUATION DEVICE, AND EVALUATION SYSTEM FOR SILICON NITRIDE SUBSTRATE AND SILICON NITRIDE CIRCUIT SUBSTRATE

#9
20230002229
2023-01-05

METAL NITRIDE PRODUCTION METHOD

#10
20220411267
2022-12-29

METHOD FOR PRODUCING METAL NITRIDE

#11
20220370961
2022-11-24

2D MATERIAL MEMBRANE WITH IONIC SELECTIVITY

#12
20220306470
2022-09-29

METHOD AND APPARATUS FOR PRODUCING SILICON-CONTAINING MATERIALS

#13
20220280907
2022-09-08

Device for rapidly preparing beta-Si3N4 by gas-solid reaction, and method thereof

#14
20210188716
2021-06-24

Metal nitrides and/or metal carbides with nanocrystalline grain structure

#15
20200399125
2020-12-24

PROCESS FOR PRODUCING SILICON NITRIDE POWDER

#16
20200067092
2020-02-27

Method for Producing a Silicon Nitride Powder and Battery Comprising the Powder

#17
20190225550
2019-07-25

Metal nitrides and/or metal carbides with nanocrystalline grain structure

#18
20180294152
2018-10-11

Methods for depositing films with organoaminodisilane precursors

#19
20170183502
2017-06-29

Organoaminodisilane precursors and methods for depositing films comprising same

#20
20120141349
2012-06-07

Method for producing high-purity silicon nitride

#21
20110182721
2011-07-28

SEALING ARRANGEMENT FOR A GAS TURBINE ENGINE

#22
20110042642
2011-02-24

Method for producing nanostructures on metal oxide substrate, method for depositing thin film on same, and thin film device

#23
20100310952
2010-12-09

OIL-BEARING SANDS AND SHALES AND THEIR MIXTURES AS STARTING SUBSTANCES FOR PRODUCING SILICON NITRIDE AND/OR SILICON CARBIDE

#24
20090022647
2009-01-22

Process for producing a silicon nitride compound

#25
20070264183
2007-11-15

OIL-BEARING SANDS AND SHALES AND THEIR MIXTURES AS STARTING SUBSTANCES FOR BINDING OR DECOMPOSING CARBON DIOXIDE AND NOX, AND FOR PREPARING CRYSTALLINE SILICON AND HYDROGEN GAS, AND FOR PRODUCING NITRIDE, SILICON CARBIDE, AND SILANES

#26
17880873
2026-03-10

Method and system for manufacturing silicon nitride from waste silicon kerf