NL6809988A - - Google Patents

Info

Publication number
NL6809988A
NL6809988A NL6809988A NL6809988A NL6809988A NL 6809988 A NL6809988 A NL 6809988A NL 6809988 A NL6809988 A NL 6809988A NL 6809988 A NL6809988 A NL 6809988A NL 6809988 A NL6809988 A NL 6809988A
Authority
NL
Netherlands
Application number
NL6809988A
Other versions
NL152986B (nl
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 NL6809988A publication Critical patent/NL6809988A/xx
Publication of NL152986B publication Critical patent/NL152986B/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Coloring (AREA)
NL6809988A 1967-07-13 1968-07-15 Werkwijze voor het vervaardigen van een in een infraroodfilter te gebruiken foelie en foelie, vervaardigd volgens deze werkwijze. NL152986B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE0034369 1967-07-13

Publications (2)

Publication Number Publication Date
NL6809988A true NL6809988A (de) 1969-01-15
NL152986B NL152986B (nl) 1977-04-15

Family

ID=7076732

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6809988A NL152986B (nl) 1967-07-13 1968-07-15 Werkwijze voor het vervaardigen van een in een infraroodfilter te gebruiken foelie en foelie, vervaardigd volgens deze werkwijze.

Country Status (2)

Country Link
FR (1) FR1602663A (de)
NL (1) NL152986B (de)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
DE1720097B1 (de) 1972-01-13
NL152986B (nl) 1977-04-15
FR1602663A (en) 1971-01-11

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ELTRO