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Class Information
Number: 423/406
Name: Chemistry of inorganic compounds > Nitrogen or compound thereof (except ammonium salt of non-nitrogen acid) > Binary compound
Description: Products or processes wherein the product includes nitrogen and only one additional element.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7569122 |
Method for purifying nitrogen trifluoride |
Aug. 4, 2009 |
| 7438883 |
High-pressure phase silicon nitride having a cubic spinel structure and the manufacturing method |
Oct. 21, 2008 |
| 7422631 |
Mould parts of silicon nitride and method for producing such mould parts |
Sep. 9, 2008 |
| 7413722 |
Method and apparatus for manufacturing nitrogen trifluoride |
Aug. 19, 2008 |
| 7395823 |
Method and apparatus for local fluorine and nitrogen trifluoride production |
Jul. 8, 2008 |
| 7384618 |
Purification of nitrogen trifluoride |
Jun. 10, 2008 |
| 7128885 |
NF3 production reactor |
Oct. 31, 2006 |
| 7083773 |
Method for producing nitrogen trifluoride using jet-loop reactors |
Aug. 1, 2006 |
| 7074378 |
Process for the purification of NF.sub.3 |
Jul. 11, 2006 |
| 7045107 |
Process for the production of nitrogen trifluoride |
May. 16, 2006 |
| 7022160 |
Method of purifying gaseous nitrogen trifluoride |
Apr. 4, 2006 |
| 7021487 |
Processing method for high pressure gas container and halogen containing gas filled in said container |
Apr. 4, 2006 |
| 7018598 |
Process for producing nitrogen trifluoride |
Mar. 28, 2006 |
| 6986874 |
Method and apparatus for the production of nitrogen trifluoride |
Jan. 17, 2006 |
| 6984366 |
Method for nitrogen trifluoride production |
Jan. 10, 2006 |
| 6908601 |
Method for the production of nitrogen trifluoride |
Jun. 21, 2005 |
| 6821496 |
Process for preparing nitrogen trifluoride |
Nov. 23, 2004 |
| 6790428 |
Process for the reduction or elimination of NH3/HF byproduct in the manufacture of nitrogen trifluoride |
Sep. 14, 2004 |
| 6458249 |
Process for purifying perfluorinated products |
Oct. 1, 2002 |
| 6432521 |
Group III-V compound semiconductor, and semiconductor device using the compound semiconductor |
Aug. 13, 2002 |
| 6399225 |
Silicon-and-nitrogen-containing luminescent substance, method for forming the same, and light emitting device using the same |
Jun. 4, 2002 |
| 6342194 |
NF3 treating process |
Jan. 29, 2002 |
| 6235676 |
Process for the preparation of ammonia and ammonia synthesis catalyst |
May. 22, 2001 |
| 6190802 |
Transition metal based ceramic material and electrodes fabricated therefrom |
Feb. 20, 2001 |
| 6183713 |
Method for producing nitrogen trifluoride by gas-solid reaction |
Feb. 6, 2001 |
| 6007789 |
Method of nitriding silicon |
Dec. 28, 1999 |
| 5981094 |
Low compressibility carbon nitrides |
Nov. 9, 1999 |
| 5637285 |
Process for nitrogen trifluoride synthesis |
Jun. 10, 1997 |
| 5591547 |
Method of manufacturing a negative electrode for lithium secondary battery |
Jan. 7, 1997 |
| 5478649 |
Silicon nitride powder and method for producing the same |
Dec. 26, 1995 |
| 5401473 |
Method and apparatus for treatment of NF.sub.3 gas |
Mar. 28, 1995 |
| 5344634 |
Method of nitriding silicon |
Sep. 6, 1994 |
| 5340561 |
Process fo the production of Si.sub.2 N.sub.4 using a silicon, phosphorous and nitrogen containing precursor |
Aug. 23, 1994 |
| 5302366 |
Production of silicon product containing both carbon and nitrogen |
Apr. 12, 1994 |
| 5284639 |
Method for the preparation of niobium nitride |
Feb. 8, 1994 |
| 5248490 |
Process for the preparation of silicon nitride having a small crystallite size |
Sep. 28, 1993 |
| 5211921 |
Process of making niobium oxide |
May. 18, 1993 |
| 5178847 |
Process for producing ceramic raw materials |
Jan. 12, 1993 |
| 5176889 |
Method and apparatus for treatment of NF.sub.3 gas |
Jan. 5, 1993 |
| 5174975 |
Method of preparing metal carbides, nitrides, borides and the like |
Dec. 29, 1992 |
| 5169613 |
Method for the preparation of boron nitride using ammonia-monohaloborane |
Dec. 8, 1992 |
| 5160719 |
Process for nitriding silicon containing materials |
Nov. 3, 1992 |
| 5156830 |
Process for preparing an alpha-phase silicon nitride material and thereafter converting to non-densified beta-phase material |
Oct. 20, 1992 |
| 5120686 |
Method of preparing a polysilazane |
Jun. 9, 1992 |
| 5114693 |
Process for the production of silicon nitride and product made according to the process |
May. 19, 1992 |
| 5069887 |
Method of refining nitrogen trifluoride gas |
Dec. 3, 1991 |
| 5017525 |
Production of ceramic materials and of precursor therefor |
May. 21, 1991 |
| 4997633 |
Water-soluble boron containing impurity reduced hexagonally crystalline boron nitride |
Mar. 5, 1991 |
| 4990471 |
Process for producing silicon nitride |
Feb. 5, 1991 |
| 4980322 |
Sinterable SI.sub.3 N.sub.4 powders containing sintering additives and a process for their preparation |
Dec. 25, 1990 |
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