FR684659A - Method of enhancing or producing color contrasts - Google Patents

Method of enhancing or producing color contrasts

Info

Publication number
FR684659A
FR684659A FR684659DA FR684659A FR 684659 A FR684659 A FR 684659A FR 684659D A FR684659D A FR 684659DA FR 684659 A FR684659 A FR 684659A
Authority
FR
France
Prior art keywords
enhancing
producing color
color contrasts
contrasts
producing
Prior art date
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
Other languages
French (fr)
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.)
Deutsche Gasgluehlicht AG Auergesellschaft
Original Assignee
Deutsche Gasgluehlicht AG Auergesellschaft
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 Deutsche Gasgluehlicht AG Auergesellschaft filed Critical Deutsche Gasgluehlicht AG Auergesellschaft
Application granted granted Critical
Publication of FR684659A publication Critical patent/FR684659A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/12—Toothpick holders
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/10—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels to produce uniformly-coloured transparent products
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/02—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for simulating daylight
FR684659D 1928-12-15 1929-11-08 Method of enhancing or producing color contrasts Expired FR684659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE338334X 1928-12-15

Publications (1)

Publication Number Publication Date
FR684659A true FR684659A (en) 1930-06-30

Family

ID=6222443

Family Applications (2)

Application Number Title Priority Date Filing Date
FR338334A Expired FR338334A (en) 1902-12-23 1903-12-19 Toothpick box
FR684659D Expired FR684659A (en) 1928-12-15 1929-11-08 Method of enhancing or producing color contrasts

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR338334A Expired FR338334A (en) 1902-12-23 1903-12-19 Toothpick box

Country Status (2)

Country Link
FR (2) FR338334A (en)
GB (1) GB338334A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254031A (en) * 1962-06-27 1966-05-31 Eastman Kodak Co Borate glass for laser use
US3250721A (en) * 1962-06-27 1966-05-10 Eastman Kodak Co Phosphate glass for laser use
US3216808A (en) * 1962-07-12 1965-11-09 Owens Illinois Glass Co Neutron-absorptive glass
GB8623053D0 (en) * 1986-09-25 1986-10-29 Downing N P D Transmitting devices

Also Published As

Publication number Publication date
FR338334A (en) 1904-05-16
GB338334A (en) 1930-11-20

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