Zinc-containing optical glass materials

Details Zinc-containing optical glass materials Zinc-containing optical glass materials

2006-07-11

2006-07-11

Lorengo, J. A. (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S064000, C501S078000, C501S903000

Reexamination Certificate

active

07074732

ABSTRACT:
Zinc-containing optical glass materials with a refractive index ndbetween 1.52 and 1.66, an Abbe number νdof between 35 and 54 and a composition (in % by weight based on oxide) of: SiO238–58, ZnO 0.3–42, PbO 0–<30, ZnO+PbO 20–55, Li2O 0–<3, Na2O 0–14, K2O 0–12, Li2O+Na2O+K2O ≧2, F 0–3, MgO 0–6, CaO 0–<5, SrO 0–6, BaO 0–<0.9, B2O30–<1, Al2O30–<1.5 and ZrO20–<2 and, if appropriate, refining agents in the customary amounts.

REFERENCES:
patent: 6806216 (2004-10-01), Mitra et al.
patent: 973350 (1949-07-01), None
patent: 2263501 (1973-07-01), None
patent: 2334201 (1974-01-01), None
patent: 0287345 (1988-10-01), None
patent: 0553586 (1993-08-01), None
patent: 0673892 (1995-09-01), None
patent: 2.233.781 (1991-01-01), None
patent: 5722139 (1982-02-01), None
patent: 6024060 (1985-06-01), None
patent: 60122747 (1985-07-01), None
patent: 60221338 (1985-11-01), None
patent: 6212633 (1987-01-01), None
patent: 1133956 (1989-05-01), None
patent: 1308843 (1989-12-01), None
patent: 7061836 (1995-03-01), None
patent: 975617 (1982-11-01), None
patent: 1534979 (1995-04-01), None
patent: WO 200009456 (2000-02-01), None
The American Heritage Dictionary, Second College Edition, Houghton Mifflin Company, 1982, p. 346.
Chemical Abstracts, vol. 93, No. 12, Sep. 1980, Columbus, Ohio, US; Abstract No. 118922a, V. Carbol et. al.; “energy saving by new glass compositions, development of low-melting glasses . . . ”, p. 255, XP002162970, Summary, & Glastek, Tidskr., Bd. 34; Nr. 4, 1979, pp. 81-91.

Affiliated with

Also associated with

Rating

Zinc-containing optical glass materials does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Zinc-containing optical glass materials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Zinc-containing optical glass materials will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3556717