Hard coating preparation, coating liquid and manufacturing process of hard coating preparation
US6994889B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Jan 31, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides hard coating preparation having a hard coating layer, unbreakable, made from sugar/sugar alcohols and oxidized starch and/or acid treated starch, with low waste of coating liquid when forming the coating layer.The hard coating preparation has the hard coating layer containing any one of sugar/sugar alcohols selected from the group of maltitol, xylitol, erythritol, mannitol, lactitol, PALATINIT (registered trade mark), trehalose, sucrose, and oxidized starch and/or acid treated starch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.