Electrical insulating materials; base materials for use in the manufacture of circuit boards, namely, semi-finished synthetic plastic panels and panel blanks made from a combination of glass and polypheneylene ether (PPO) resin, polytetrafluoroethylene (PTFE) resin, and hydrocarbon resin for use in the manufacture of circuit boards; base materials for use in the manufacture of multi-layer circuit boards, namely, semi-finished laminated plastic panels and panel blanks made from a combination o...

Electrical insulating materials; base materials for use in the manufacture of circuit boards, namely, semi-finished synthetic plastic panels and panel blanks made from a combination of glass and polypheneylene ether (PPO) resin, polytetrafluoroethylene (PTFE) resin, and hydrocarbon resin for use in the manufacture of circuit boards; base materials for use in the manufacture of multi-layer circuit boards, namely, semi-finished laminated plastic panels and panel blanks made from a combination o...