BE729612A - - Google Patents
Info
- Publication number
- BE729612A BE729612A BE729612DA BE729612A BE 729612 A BE729612 A BE 729612A BE 729612D A BE729612D A BE 729612DA BE 729612 A BE729612 A BE 729612A
- Authority
- BE
- Belgium
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
- C03C4/00—Compositions for glass with special properties
- C03C4/0057—Compositions for glass with special properties for ultrasonic delay lines glass
-
- 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
- C03C3/078—Glass compositions containing silica with 40% to 90% silica, by weight containing an oxide of a divalent metal, e.g. an oxide of zinc
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight 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
- C03C3/076—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
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681696064 DE1696064B2 (de) | 1968-03-08 | 1968-03-08 | Glaeser fuer ultraschallverzoegerungsleitungen mit geringerer innerer daempfung und transformationentemperaturen zwischen 550 und 620 grad c |
| DEJ0035871 | 1968-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE729612A true BE729612A (ro) | 1969-08-18 |
Family
ID=25754605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE729612D BE729612A (ro) | 1968-03-08 | 1969-03-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3723143A (ro) |
| BE (1) | BE729612A (ro) |
| DE (1) | DE1696064B2 (ro) |
| FR (1) | FR2003534A1 (ro) |
| GB (1) | GB1232933A (ro) |
| NL (1) | NL6903685A (ro) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4855260A (en) * | 1988-07-08 | 1989-08-08 | Corning Incorporated | Glasses exhibiting low thermal coefficients of elasticity |
| US4836314A (en) * | 1988-07-08 | 1989-06-06 | Rupprecht & Patashnick Co., Inc. | Novel glass elements for use in balances |
| FR2713622B1 (fr) * | 1993-12-10 | 1996-03-01 | Corning Vitro Corp | Verres ne contenant pas de plomb et présentant les caractéristiques du cristal. |
| ATE352526T1 (de) * | 2000-06-05 | 2007-02-15 | Ohara Kk | Optische gläser die unter betriebsbedingungen bei uv-belichtung in bezug auf ihren brechungsindex möglichst stabil sind |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2214385A (en) * | 1935-10-09 | 1940-09-10 | Bausch & Lomb | Ophthalmic lens |
| GB484328A (en) * | 1936-12-18 | 1938-05-04 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Improvements in combinations of metal vapour electric discharge devices, adapted to emit radiation, and electric incandescent lamps |
| US2702749A (en) * | 1951-03-16 | 1955-02-22 | Bausch & Lomb | Methods of fining glass and compositions therefor |
| US2913345A (en) * | 1954-12-20 | 1959-11-17 | Pittsburgh Plate Glass Co | Ophthalmic glass |
| US3178274A (en) * | 1958-05-13 | 1965-04-13 | Pittsburgh Plate Glass Co | Ophthalmic glass |
| NL135270C (ro) * | 1961-06-19 | |||
| US3494354A (en) * | 1964-09-30 | 1970-02-10 | Tokyo Shibaura Electric Co | Flexible endoscope for use in cancer diagnosis |
| NL143392B (nl) * | 1965-04-17 | 1974-09-16 | Philips Nv | Ultrasone vertragingsinrichting. |
-
1968
- 1968-03-08 DE DE19681696064 patent/DE1696064B2/de not_active Withdrawn
-
1969
- 1969-03-04 GB GB1232933D patent/GB1232933A/en not_active Expired
- 1969-03-07 FR FR6906532A patent/FR2003534A1/fr not_active Withdrawn
- 1969-03-07 BE BE729612D patent/BE729612A/xx unknown
- 1969-03-10 NL NL6903685A patent/NL6903685A/xx unknown
-
1971
- 1971-08-26 US US00175340A patent/US3723143A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1696064A1 (de) | 1972-03-09 |
| US3723143A (en) | 1973-03-27 |
| DE1696064B2 (de) | 1972-03-09 |
| FR2003534A1 (ro) | 1969-11-07 |
| GB1232933A (ro) | 1971-05-26 |
| NL6903685A (ro) | 1969-09-10 |