BE786125A - Ecran transparent en matiere thermoplastique. - Google Patents
Ecran transparent en matiere thermoplastique.Info
- Publication number
- BE786125A BE786125A BE786125A BE786125A BE786125A BE 786125 A BE786125 A BE 786125A BE 786125 A BE786125 A BE 786125A BE 786125 A BE786125 A BE 786125A BE 786125 A BE786125 A BE 786125A
- Authority
- BE
- Belgium
- Prior art keywords
- thermoplastic material
- transparent thermoplastic
- material screen
- screen
- transparent
- Prior art date
Links
Classifications
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00634—Production of filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/20—Light-tight connections for movable optical elements
- G02B7/22—Extensible connections, e.g. bellows
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Optical Filters (AREA)
- Laminated Bodies (AREA)
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE786125A BE786125A (fr) | 1972-07-11 | 1972-07-11 | Ecran transparent en matiere thermoplastique. |
ES415831A ES415831A1 (es) | 1972-07-11 | 1973-06-12 | Perfeccionamientos introducidos en una pantalla que permiteun bronceado no eritematoso durante la exposicion a la ra- diacion solar. |
FR7324647A FR2236195A1 (en) | 1972-07-11 | 1973-07-03 | Sun-filtering sheet - contg transparent plastic and uv absorber, for sun-tanning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE786125A BE786125A (fr) | 1972-07-11 | 1972-07-11 | Ecran transparent en matiere thermoplastique. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE786125A true BE786125A (fr) | 1972-11-03 |
Family
ID=3859936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE786125A BE786125A (fr) | 1972-07-11 | 1972-07-11 | Ecran transparent en matiere thermoplastique. |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE786125A (xx) |
ES (1) | ES415831A1 (xx) |
FR (1) | FR2236195A1 (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2609194A1 (de) * | 1976-03-05 | 1977-09-15 | Mutzhas Maximilian F | Strahlenschutzfilter zur direktpigmentierung bei sonnenbestrahlung |
GB2097810B (en) * | 1981-04-04 | 1984-11-28 | Sevendart Ltd | Apparatus for use in sunbathing |
DE3532780A1 (de) * | 1985-09-13 | 1987-03-26 | Maximilian F Prof Dr I Mutzhas | Strahlenschutzfilter |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1238582A (fr) * | 1958-10-04 | 1960-08-12 | Hoechst Ag | Agents d'absorption pour les rayons ultra-violets |
-
1972
- 1972-07-11 BE BE786125A patent/BE786125A/xx unknown
-
1973
- 1973-06-12 ES ES415831A patent/ES415831A1/es not_active Expired
- 1973-07-03 FR FR7324647A patent/FR2236195A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2236195A1 (en) | 1975-01-31 |
ES415831A1 (es) | 1976-06-16 |
FR2236195B1 (xx) | 1976-04-30 |
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