PL223348A1 - - Google Patents
Info
- Publication number
- PL223348A1 PL223348A1 PL22334880A PL22334880A PL223348A1 PL 223348 A1 PL223348 A1 PL 223348A1 PL 22334880 A PL22334880 A PL 22334880A PL 22334880 A PL22334880 A PL 22334880A PL 223348 A1 PL223348 A1 PL 223348A1
- Authority
- PL
- Poland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
- C03C3/108—Glass compositions containing silica with 40% to 90% silica, by weight containing lead containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
- C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD21208279A DD142703A1 (de) | 1979-04-09 | 1979-04-09 | Alkalifreies,bleihaltiges,optisches glas hoher brechzahl und relativ niedriger dichte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL223348A1 true PL223348A1 (cs) | 1981-02-13 |
Family
ID=5517555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22334880A PL223348A1 (cs) | 1979-04-09 | 1980-04-09 |
Country Status (5)
| Country | Link |
|---|---|
| CS (1) | CS223575B1 (cs) |
| DD (1) | DD142703A1 (cs) |
| DE (1) | DE3002935A1 (cs) |
| PL (1) | PL223348A1 (cs) |
| RO (1) | RO79549A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2762837B1 (fr) * | 1997-04-30 | 1999-07-16 | Corning Sa | Verres a indice de refraction eleve, lentilles correctrices multifocales les incorporant |
| US6196684B1 (en) | 1997-04-30 | 2001-03-06 | Corning S.A. | High refractive index glasses, multifocal corrective lenses containing same |
-
1979
- 1979-04-09 DD DD21208279A patent/DD142703A1/de not_active IP Right Cessation
-
1980
- 1980-01-28 DE DE19803002935 patent/DE3002935A1/de not_active Withdrawn
- 1980-03-13 CS CS179280A patent/CS223575B1/cs unknown
- 1980-04-07 RO RO80100757A patent/RO79549A/ro unknown
- 1980-04-09 PL PL22334880A patent/PL223348A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO79549A (ro) | 1982-08-17 |
| DD142703A1 (de) | 1980-07-09 |
| DE3002935A1 (de) | 1980-10-30 |
| CS223575B1 (en) | 1983-10-28 |