Compositions: coating or plastic – Coating or plastic compositions – Marking
Reexamination Certificate
2005-04-19
2005-04-19
Klemanski, Helene (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031150, C106S031320, C106S031330, C106S031640, C106S031650, C428S403000
Reexamination Certificate
active
06881249
ABSTRACT:
The present invention provides microparticles that create permanent tissue markings, such as tattoos, designed in advance for change and/or removal on demand, as well as methods for implanting the microparticles in tissue and changing and/or removing the resulting markings. Colored microparticles are constructed with specific electromagnetic absorption and/or structural properties that facilitate changing and/or removing tissue markings made using the microparticles by applying specific energy (such as electromagnetic radiation from a laser or flash-lamp) to the tissue marking site.
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Taylor et al., “Light and Electron Microscopic Analysis of Tattoos Treated by Q-Switched Ruby Laser”, The Journal of Investigative Dermatology, 97:131-136 (1991), no month available.
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Anderson Richard R.
Drill Craig A.
Mlynarczyk Susanna K.
Fish & Richardson P.C.
Freedom-2, LLC
Klemanski Helene
The General Hospital Corporation
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