Glass compositions

Details Glass compositions Glass compositions

1990-07-16

1992-03-31

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 33, 501 39, 501 77, C03C 1120, C03C 309, C03C 1200, C03C 3064

Patent

active

051008424

ABSTRACT:
Glass compositions for use in the preparation of glass microspheres and having reduced 2 Pas (20 poise) temperatures comprise 38 to 44% SiO.sub.2, 14 to 22% B.sub.2 O.sub.3, 9 to 16% Al.sub.2 O.sub.3, 22 to 26% CaO and optionally MgO, 0 to 8% Na.sub.2 O, 0 to 2% Li.sub.2 O, 0 to 2% K.sub.2 O and 0 to 1% Fe.sub.2 O.sub.3, the sum of B.sub.2 O.sub.3 and Na.sub.2 O being at least 19%, said percentage by weight.

REFERENCES:
patent: 2681289 (1954-06-01), Moore
patent: 2834738 (1958-05-01), Vincent
patent: 3207588 (1965-09-01), Slaytor et al.
patent: 3459630 (1969-08-01), D'Eustachio et al.
patent: 3843376 (1974-10-01), Cornelissen et al.
patent: 4215033 (1980-07-01), Bowen
patent: 4983550 (1991-01-01), Goetz et al.

Affiliated with

Also associated with

Rating

Glass compositions does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2259111