U.S. federal trademark · Serial No. 72312157 · Reg. No. 0912021
CHEMICAL COMPOSITIONS FOR COMMERCIAL, SCIENTIFIC AND PHOTOGRAPHIC PURPOSES-NAMELY, EVAPORATION CHEMICALS, THE LATTER BEING SOLID COMPOUNDS CAPABLE OF VAPORIZATION UNDER VACUUM WITHOUT DECOMPOSITION AND BEING DEPOSITABLE ON A SURFACE AS A THIN FILM FOR SPECIAL OPTICAL, MECHANICAL OR ELECTRICAL PROPERTIES, SAID EVAPORATION CHEMICALS INCLUDING, E.G., PARTICLES OF HALIDES, SULFIDES, SELENIDES OR OXIDES
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