NL6907991A - - Google Patents
Info
- Publication number
- NL6907991A NL6907991A NL6907991A NL6907991A NL6907991A NL 6907991 A NL6907991 A NL 6907991A NL 6907991 A NL6907991 A NL 6907991A NL 6907991 A NL6907991 A NL 6907991A NL 6907991 A NL6907991 A NL 6907991A
- Authority
- NL
- Netherlands
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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2526768A GB1255497A (en) | 1968-05-27 | 1968-05-27 | Glass compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6907991A true NL6907991A (cs) | 1969-12-01 |
Family
ID=10224940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6907991A NL6907991A (cs) | 1968-05-27 | 1969-05-23 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1926959B2 (cs) |
| FR (1) | FR2009390A1 (cs) |
| GB (1) | GB1255497A (cs) |
| NL (1) | NL6907991A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5263920A (en) * | 1975-11-25 | 1977-05-26 | Nippon Chemical Ind | Optical glass |
| DE3130039C2 (de) * | 1981-07-30 | 1984-07-12 | Schott Glaswerke, 6500 Mainz | CdO-ThO↓2↓-freies, hochbrechendes optisches Glas mit der optischen Lage nd = 1,85 - 2,05 und vd 25-43 |
| DE9111121U1 (de) * | 1991-09-07 | 1991-10-24 | Kommanditgesellschaft Hassomat Maschinenbau GmbH & Co, 2000 Hamburg | Vorrichtung zum Verschweißen von Profilen aus Kunststoff |
| JP3750984B2 (ja) * | 2000-05-31 | 2006-03-01 | Ｈｏｙａ株式会社 | 光学ガラスおよび光学製品の製造方法 |
-
1968
- 1968-05-27 GB GB2526768A patent/GB1255497A/en not_active Expired
-
1969
- 1969-05-23 NL NL6907991A patent/NL6907991A/xx unknown
- 1969-05-23 FR FR6916938A patent/FR2009390A1/fr not_active Withdrawn
- 1969-05-23 DE DE19691926959 patent/DE1926959B2/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1926959B2 (de) | 1971-04-01 |
| DE1926959A1 (de) | 1969-12-04 |
| FR2009390A1 (cs) | 1970-02-06 |
| GB1255497A (en) | 1971-12-01 |