C01B21/1445 - CPC Classification Index

ClassID:

84740 ⎘

C01B21/1445 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Compounds containing nitrogen and non-metals and optionally metals; Hydroxylamine; Salts thereof; Preparation of hydoxylamine from its salts

Recent Application in this class:

20090112024

2009-04-30

STABILIZATION OF HYDROXYLAMINE CONTAINING SOLUTIONS AND METHOD FOR THEIR PREPARATION

20090107520

2009-04-30

AMIDOXIME COMPOUNDS AS CHELATING AGENTS IN SEMICONDUCTOR PROCESSES

20080193362

2008-08-14

Process for producing hydroxylamine

20060032734

2006-02-16

Method for producing an aqueous solution hydroxylamine

20050163694

2005-07-28

Preparation of a high purity and high concentration hydroxylamine free base