MULTIPLE LAYERED PIGMENTS EXHIBITING COLOR TRAVEL
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 31, 2008
app pub date -
Oct 16, 2007
filing date -
Oct 18, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to interference pigments on the basis of multiply coated, platelet-shaped substrates which comprise at least one layer sequence comprising: (A) a metal oxide coating having a refractive index n.gtoreq.2.0, (B) a colorless metal oxide or fluoride coating having a refractive index n.ltoreq.1.8, (C) a nonabsorbing metal oxide coating of high refractive index, and, wherein the pigment further comprises (D) an oxide of calcium, magnesium, or zinc. The present pigment may be used in paints, printing inks, and for producing counterfeit-protected documents of value, such as bank notes, cheques, cheque cards, credit cards, identity cards, etc.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully