Paper making and fiber liberation – Processes and products – Safety – identification and fraud preventing paper
Patent
1997-03-25
1999-04-27
Silverman, Stanley S.
Paper making and fiber liberation
Processes and products
Safety, identification and fraud preventing paper
162134, 162110, 427185, D21H 2140, D21H 2324, B44F 112
Patent
active
058977465
ABSTRACT:
In a method for providing papers of value with authenticity features, a homogeneous mixture is produced in a defined concentration from a feature substance present in powder form and a gas. This mixture is ejected at high speed from at least one nozzle disposed at a given distance from the paper web and transferred onto the running paper web.
REFERENCES:
patent: 1281951 (1918-10-01), Harper
patent: 2711120 (1955-06-01), MacLaurin
patent: 3833467 (1974-09-01), Spiller
patent: 3997433 (1976-12-01), Liu et al.
patent: 4446204 (1984-05-01), Kaule et al.
patent: 4504357 (1985-03-01), Holbein et al.
patent: 4761204 (1988-08-01), Crane
patent: 4863783 (1989-09-01), Milton
patent: 4944960 (1990-07-01), Sundholm et al.
patent: 4964951 (1990-10-01), Menyhert
patent: 5279854 (1994-01-01), Kendall et al.
patent: 5324079 (1994-06-01), Kaule et al.
patent: 5360516 (1994-11-01), Cutright et al.
Attenberger Thomas
Ilgmann Wilhelm
Stein Dieter
Stenzel Gerhard
Fortuna Jose S.
Giesecke & Devrient GmbH
Silverman Stanley S.
LandOfFree
Method for equipping papers of value with authenticity features does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for equipping papers of value with authenticity features, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for equipping papers of value with authenticity features will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-683880