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
Application number
BE647039A
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 filed Critical
Publication of BE647039A publication Critical patent/BE647039A/xx

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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fodder In General (AREA)
BE647039A 1949-05-02 1964-04-24 BE647039A (fr)

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 (fr) 1964-08-17

Family

ID=29753994

Family Applications (1)

Application Number Title Priority Date Filing Date
BE647039A BE647039A (fr) 1949-05-02 1964-04-24

Country Status (5)

Country Link
BE (1) BE647039A (fr)
CH (1) CH431814A (fr)
DE (1) DE1619038U (fr)
FR (1) FR1389087A (fr)
GB (1) GB1060780A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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
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
US5116884A (en) * 1984-06-08 1992-05-26 Photoprotective Technology Incorporated Melanin hydrophilic contact lenses
US5187207A (en) * 1984-06-08 1993-02-16 Photoprotective Technologies, Inc. Melanin hydrophilic contact lenses
US5047447A (en) * 1984-06-08 1991-09-10 Photoprotecive Technologies Incorporated Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
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

Also Published As

Publication number Publication date
CH431814A (de) 1967-03-15
DE1619038U (de) 1951-01-25
GB1060780A (en) 1967-03-08
FR1389087A (fr) 1965-02-12

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