FR2236195B1 - - Google Patents

Info

Publication number
FR2236195B1
FR2236195B1 FR7324647A FR7324647A FR2236195B1 FR 2236195 B1 FR2236195 B1 FR 2236195B1 FR 7324647 A FR7324647 A FR 7324647A FR 7324647 A FR7324647 A FR 7324647A FR 2236195 B1 FR2236195 B1 FR 2236195B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7324647A
Other versions
FR2236195A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay SA
Original Assignee
Solvay SA
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 SA filed Critical Solvay SA
Publication of FR2236195A1 publication Critical patent/FR2236195A1/fr
Application granted granted Critical
Publication of FR2236195B1 publication Critical patent/FR2236195B1/fr
Granted legal-status Critical Current

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)
FR7324647A 1972-07-11 1973-07-03 Sun-filtering sheet - contg transparent plastic and uv absorber, for sun-tanning Granted FR2236195A1 (en)

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 (2)

Publication Number Publication Date
FR2236195A1 FR2236195A1 (en) 1975-01-31
FR2236195B1 true FR2236195B1 (fr) 1976-04-30

Family

ID=3859936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324647A Granted FR2236195A1 (en) 1972-07-11 1973-07-03 Sun-filtering sheet - contg transparent plastic and uv absorber, for sun-tanning

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
FR2236195A1 (en) 1975-01-31
ES415831A1 (es) 1976-06-16
BE786125A (fr) 1972-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse