Optical colored and filter glass

Details Optical colored and filter glass Optical colored and filter glass

1980-06-16

1981-10-27

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 78, 501 79, 252582, C03C 316, C03C 324

Patent

active

042971420

ABSTRACT:
Low alkali, high phosphate and high Al.sub.2 O.sub.3 content glasses are described which are highly suitable for optical colored and filter glasses. They exhibit a glass transformation temperature Tg>450.degree. C. and have the following composition, in percent by weight:

REFERENCES:
patent: 3785835 (1974-01-01), Izumitani
patent: 3923527 (1975-12-01), Matsuura et al.
patent: 4026714 (1977-05-01), Lewis
patent: 4105577 (1978-08-01), Yamashita
patent: 4229220 (1980-10-01), Hirota
Weyl, W. A., Colored Glasses-(1967), pub. by Soc. of Glass Technology, Sheffield, Eng., pp. 230, 504-505.

Affiliated with

Also associated with

Rating

Optical colored and filter glass does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical colored and filter glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical colored and filter glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-278022