Lead free optical glasses of the hard flint position

Lead free optical glasses of the hard flint position

  • CN 101,041,553 B
  • Filed: 03/22/2007
  • Issued: 01/28/2015
  • Est. Priority Date: 03/22/2006
  • Status: Active Grant
First Claim
Patent Images

1. an opticglass, is characterized in that it comprises the following composition calculated with % by weight of oxide compound:

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×