Stock material or miscellaneous articles – Composite – Of polycarbonate
Patent
1990-03-01
1992-04-07
Ryan, Patrick J.
Stock material or miscellaneous articles
Composite
Of polycarbonate
428409, 427163, 427164, B32B 900
Patent
active
051027399
ABSTRACT:
Provided is a method for preparing an optical information medium which comprises a polycarbonate substrate. A polycarbonate substrate is subjected to an aqueous ammonia solution treatment at a temperature below ambient temperatures and for an extended period of time. This treatment occurs prior to assembly of the optical information medium. Use of the treated polycarbonate substrate in the optical information medium results in the medium exhibiting a high level of performance over an extended useful life.
McKenzie Leroy
Nikles David E.
Onorato Frank J.
Schneider Jeffrey A.
Evans Elizabeth
Hoechst Celanese Corp.
Kalyanaraman P. S.
Ryan Patrick J.
LandOfFree
Low temperature, aqueous ammonia treatment for polycarbonate sub does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low temperature, aqueous ammonia treatment for polycarbonate sub, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low temperature, aqueous ammonia treatment for polycarbonate sub will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1894362