BE647039A - - Google Patents
Info
- Publication number
- BE647039A BE647039A BE647039A BE647039A BE647039A BE 647039 A BE647039 A BE 647039A BE 647039 A BE647039 A BE 647039A BE 647039 A BE647039 A BE 647039A BE 647039 A BE647039 A BE 647039A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
- C08L1/12—Cellulose acetate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Fodder In General (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1949D0026757 DE1619038U (de) | 1949-05-02 | 1949-05-02 | Waage mit schiebegewicht insbesondere bienenstockwaage. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE647039A true BE647039A (xx) | 1964-08-17 |
Family
ID=29753994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE647039A BE647039A (xx) | 1949-05-02 | 1964-04-24 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE647039A (xx) |
| CH (1) | CH431814A (xx) |
| DE (1) | DE1619038U (xx) |
| FR (1) | FR1389087A (xx) |
| GB (1) | GB1060780A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2097810B (en) * | 1981-04-04 | 1984-11-28 | Sevendart Ltd | Apparatus for use in sunbathing |
| DE3220072C2 (de) * | 1982-05-27 | 1986-09-04 | Deutsche Spezialglas Ag, 3223 Delligsen | Dunkelblau gefärbtes Ofenschauglas mit hoher Infrarotabsorption |
| US5047447A (en) * | 1984-06-08 | 1991-09-10 | Photoprotecive Technologies Incorporated | Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation |
| US5036115A (en) * | 1984-06-08 | 1991-07-30 | Photoprotective Technologies, Inc. | Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation |
| US5187207A (en) * | 1984-06-08 | 1993-02-16 | Photoprotective Technologies, Inc. | Melanin hydrophilic contact lenses |
| US5116884A (en) * | 1984-06-08 | 1992-05-26 | Photoprotective Technology Incorporated | Melanin hydrophilic contact lenses |
| US5112883A (en) * | 1984-06-08 | 1992-05-12 | Photoprotective Technologies Incorporated | Medium incorporating melanin as an absorbing pigment against electromagnetic radiation |
| AU4622689A (en) * | 1988-10-06 | 1990-05-01 | Photoprotective Technologies Incorporated | Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation |
-
1949
- 1949-05-02 DE DE1949D0026757 patent/DE1619038U/de not_active Expired
-
1964
- 1964-02-12 FR FR963560A patent/FR1389087A/fr not_active Expired
- 1964-03-19 CH CH357164A patent/CH431814A/de unknown
- 1964-04-20 GB GB1624864A patent/GB1060780A/en not_active Expired
- 1964-04-24 BE BE647039A patent/BE647039A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1389087A (fr) | 1965-02-12 |
| CH431814A (de) | 1967-03-15 |
| DE1619038U (de) | 1951-01-25 |
| GB1060780A (en) | 1967-03-08 |