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Class Information
Number: 252/965
Name: Compositions > Retrospective product identification (e.g., tags and tracers, etc.)
Description: Art collection providing information about the source or the ... drawn to rheo-casting.










Patents under this class:

Patent Number Title Of Patent Date Issued
8398888 Size dependent marker codes Mar. 19, 2013
8211333 Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants Jul. 3, 2012
7914703 Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants Mar. 29, 2011
7148066 Dye solutions for use in methods to detect the prior evaporation of anhydrous ammonia and the production of illict drugs Dec. 12, 2006
6899827 Inorganic optical taggant and method of making May. 31, 2005
6455157 Method for protecting and marking products by using microparticles Sep. 24, 2002
6007744 Polymerizable dyes as taggants Dec. 28, 1999
5356465 Oil-spill marking method and composition Oct. 18, 1994
5182051 Raioactive tracing with particles Jan. 26, 1993
4744919 Method of dispersing particulate aerosol tracer May. 17, 1988
4683070 Determination of metal source in used oil Jul. 28, 1987
4654165 Microingredient containing tracer Mar. 31, 1987
4640035 Identifying means Feb. 3, 1987
4469623 Detection of articles Sep. 4, 1984
4441943 Polypeptides as chemical tagging materials Apr. 10, 1984
4399226 Tagging with microcapsules containing perfluoroalkyl pentafluorosulfide Aug. 16, 1983
4390452 Microparticles with visual identifying means Jun. 28, 1983
4197104 Magnetic tag process Apr. 8, 1980
4152271 Tracer-containing composition May. 1, 1979
4131064 Tagging particles which are easily detected by luminescent response, or magnetic pickup, or both Dec. 26, 1978
4053433 Method of tagging with color-coded microparticles Oct. 11, 1977
4018635 Phosphor combination, particularly adapted for use with explosives, for providing a distinctive information label Apr. 19, 1977
4009008 Colored water immiscible organic liquid Feb. 22, 1977
3964294 Technique and system for coding and identifying materials Jun. 22, 1976











 
 
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