Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2005-09-20
2005-09-20
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S218000, C525S282000, C526S262000, C526S282000, C526S284000, C526S281000, C526S308000, C526S309000, C562S435000
Reexamination Certificate
active
06946523
ABSTRACT:
In accordance with the present invention, there are provided novel heterobifunctional monomers and users for the same. Invention compounds have many of the properties required by the microelectronics industry, such as, for example, hydrophobicity, high Tgvalues, low dielectric constant, ionic purity, low coefficient of thermal expansion (CTE), and the like. These properties result in a thermoset that is particularly well suited to high performance applications where typical operating temperatures are often significantly higher than those at which prior art materials were suitable. Invention compounds are particularly ideal for use in the manufacture of electronic components, such as, for example, printed circuit boards, and the like.
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Dershem Stephen M.
Forrestal Kevin J.
Liu Puwei
Asinovsky Olga
Bauman Steven C.
Henkel Corporation
Seidleck James J.
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