ANGSTROM TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 7191
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 675
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 290
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9823594 Stable emissive toner composition system and methodOct 17, 16Nov 21, 17[G03G]
9470997 Stable emissive toner composition system and methodAug 10, 15Oct 18, 16[G03G]
9104126 Stable emissive toner composition system and methodSep 16, 13Aug 11, 15[G03G]
8717625 Emissive image substrate marking, articles marked with an emissive image, and authentication methods involving the sameOct 08, 12May 06, 14[H04N, C09D]
8535865 Stable emissive toner composition system and methodAug 20, 08Sep 17, 13[G03G]
7821675 Methods and ink compositions for invisibly printed security images having multiple authentication featuresApr 05, 04Oct 26, 10[H04N, C09D]
6603871 First-order authentication systemMar 28, 01Aug 05, 03[G06K]
6470093 First-order authentication systemMar 28, 01Oct 22, 02[G06K]
6373965 Apparatus and methods for authentication using partially fluorescent graphic images and OCR charactersOct 27, 99Apr 16, 02[G06K]
D453175 Money checkerJun 07, 01Jan 29, 02[1606]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0267,656 Emissive Image Substrate Marking, Articles Marked With An Emissive Image, and Authentication Methods Involving The SameAbandonedOct 25, 10Nov 03, 11[B44F, G06K]
5586162 Portable X-ray machineExpiredJun 20, 94Dec 17, 96[H05G]

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