Iminocarboxylic acid salt-containing solid composition and production method thereof
US8173588B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2006 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Jan 6, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/33
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is a solid composition comprising an iminocarboxylic acid salt, wherein the iminocarboxylic acid salt is 3-hydroxy-2,2′-iminodisuccinic acid and/or a salt thereof. The solid composition comprises 70% by weight or more of the iminocarboxylic acid salt, relative to a solid content except for moisture of the solid composition, and the solid composition comprises 20% by weight or less of moisture, relative to the solid composition. Also a production method of the solid composition, comprising a step of drying an iminocarboxylic acid salt-containing composition is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.