Chemistry: analytical and immunological testing – Including sample preparation – Gaseous sample or with change of physical state
Reexamination Certificate
2005-06-22
2010-10-26
Warden, Jill (Department: 1797)
Chemistry: analytical and immunological testing
Including sample preparation
Gaseous sample or with change of physical state
C436S174000, C422S025000, C422S091000, C422S105000
Reexamination Certificate
active
07820452
ABSTRACT:
Transparent elastomer safety shields for laboratory glassware subjected to vacuum evacuation, and for electronic components, is disclosed. Removable glassware sheaths permit viewing vacuum processes while protecting personnel from implosion hazards. Removable sheaths also permit adding conventional heat transfer materials such as powders, strips, and fluids to the sheath prior to securing to the glassware to assist evaporation and sublimation procedures. Further, the addition of thermally conductive nanopowders, such as copper, aluminum, and iron to flowable polymer formulations prior to curing into a solid elastomer, provides enhanced thermal conductivity for these transparent sheaths, and for “see through” heat sink potting compounds for protective covering of electronic components.
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Handy Dwayne K
Parkinson Martin
Warden Jill
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