Patent US5091345A successfully refreshed from Google Patents.
US5091345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass composition
Assignee: Johnson Matthey PLC
•
Filing: 1990-05-31
•
Granted: 1992-02-25
•
Expires: 2010-05-31
Abstract
Abstract A glass flux composition consisting essentially by weight of 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 014 5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 is a useful opacifying composition for preparing a glaze composition for ceramics.
Inventors
- 👤 Gerd Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:22
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/86; C03; C03C; C03C8/00; C03C8/02; C03C8/14; C04B41/45; C04B41/50; C04B41/5022; C03C2209/00
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
64 words
A glass flux composition consisting essentially by weight of 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 .
Claim 2
Dependent Claim
64 words
A glass flux composition consisting essentially by weight of 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 .
Claim 3
Dependent Claim
13 words
A composition according to claim 1 containing by weight 3.3-8% MoO 3 .
Claim 4
Dependent Claim
10 words
A composition according to claim 1 which is a frit.
Claim 5
Dependent Claim
10 words
A composition according to claim 2 which is a frit.
Claim 6
Dependent Claim
95 words
A glaze composition for ceramics, which composition consists essentially of: (A) 70-96% by weight of glass flux composition comprising a component consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 7
Dependent Claim
95 words
A glaze composition for ceramics, which composition consists essentially of: (A) 70-96% by weight of glass flux composition comprising a component consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 8
Dependent Claim
77 words
A glaze composition according to claim 5 wherein (A) is 70-96% by weight of glass flux composition consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 .
Claim 9
Dependent Claim
106 words
A ceramic article bearing on its surface a glaze composition which has been fired thereon, the glaze composition consisting essentially of: (A) 70-96% by weight of glass flux composition comprising a component consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 10
Dependent Claim
106 words
A ceramic article bearing on its surface a glaze composition which has been fired thereon, the glaze composition consisting essentially of: (A) 70-96% by weight of glass flux composition comprising a component consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 11
Dependent Claim
103 words
A ceramic article bearing on its surface a glaze composition which has been fired thereon, the glaze composition consisting essentially of: (A) 70-96% by weight of glass flux composition consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 12
Dependent Claim
103 words
A ceramic article bearing on its surface a glaze composition which has been fired thereon, the glaze composition consisting essentially of: (A) 70-96% by weight of glass flux composition consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment.
Claim 13
Independent Claim
109 words
A method of decorating a ceramic body, which method comprises applying to the ceramic body a glaze composition which consists essentially of: (A) 70-96% by weight of glass flux composition consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment; and then firing the composition.
Claim 14
Independent Claim
109 words
A method of decorating a ceramic body, which method comprises applying to the ceramic body a glaze composition which consists essentially of: (A) 70-96% by weight of glass flux composition consisting essentially of, by weight, 30-70% SiO 2 , 10-30% CaO, 0-20% ZnO, 3-8% MoO 3 , 0-20% B 2 O 3 , 0-25% Al 2 O 3 , 0-10% K 2 O, 0-10% Na 2 O, 0-10% MgO, 0-15% BaO, 0-7% Li 2 O, 0-10% PbO, 0-5% SrO, 0-10% CeO, 0-0.1% CoO and 0-5% P 2 O 5 ; (B) 4-30% by weight of refractory material; and (C) 0-25% by weight of pigment; and then firing the composition.
Claim 15
Dependent Claim
13 words
A method according to claim 9 wherein a glazed wall tile is produced.
Claim 16
Dependent Claim
13 words
A method according to claim 9 wherein a glazed pottery article is produced.
References Cited (Backward Citations)
US3098753A
Cited
US3499775A
Cited
US3927238A
Cited
EP0018559A1
Cited
US4312951A
Cited
US4361654A
Cited
US4316963A
Cited
US4340645A
Cited
SU1052481A1
Cited
JPS60108345A
Cited
JPS61178440A
Cited
EP0192844A2
Cited
US4877758A
Cited
JPH06149342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-02-24 | 1995-08-26 | 1996-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-02-24 | 1999-08-26 | 2000-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-02-24 | 2003-08-26 | 2004-02-25 | $7700.00 | Window Closed / Lapsed |