Forgery-proof security paper and aqueous or organic composition

Paper making and fiber liberation – Processes and products – Safety – identification and fraud preventing paper

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

162162, 162158, 1621812, 162165, D21H 1700

Patent

active

051239990

ABSTRACT:
A forgery proof safety paper comprises, on its surface and/or in the body of a paper substrate, at least one compound of the formula ##STR1## wherein R.sub.1 is H or OH, and R.sub.2 is H, COOH, CHO, COR, COOR or alkyl, R being a substituted or unsubstituted, linear, cyclic or aromatic hydrocarbon chain.

REFERENCES:
patent: 227559 (1880-05-01), McMahon et al.
patent: 305292 (1884-09-01), Clapp
patent: 1864116 (1932-06-01), Bausch et al.
Whistler, Roy L. Industrial Guns: Polysaccharides and Their Derivatives, New York, Academic Press, 1959, pp. 265-266.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Forgery-proof security paper and aqueous or organic composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Forgery-proof security paper and aqueous or organic composition , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Forgery-proof security paper and aqueous or organic composition will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-930832

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.