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
Application number
BE786125A
Other languages
English (en)
Original Assignee
Solvay
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solvay filed Critical Solvay
Priority to BE786125A priority Critical patent/BE786125A/fr
Publication of BE786125A publication Critical patent/BE786125A/fr
Priority to ES415831A priority patent/ES415831A1/es
Priority to FR7324647A priority patent/FR2236195A1/fr

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

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
BE786125A 1972-07-11 1972-07-11 Ecran transparent en matiere thermoplastique. BE786125A (fr)

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 (fr)
ES (1) ES415831A1 (fr)
FR (1) FR2236195A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2236195B1 (fr) 1976-04-30
ES415831A1 (es) 1976-06-16
FR2236195A1 (en) 1975-01-31

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