Patent · US Expired

Hard coating preparation, coating liquid and manufacturing process of hard coating preparation

US6994889B2 · kind B2 · utility

5Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 2003
Grant dateFeb 7, 2006
Priority date
Expiry dateJan 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.