DK77348C - Lysskærm. - Google Patents

Lysskærm.

Info

Publication number: DK77348C
Authority: DK; Denmark
Prior art keywords: light screen; screen; light
Prior art date: 1946-03-18

Application number

DK109947A

Other languages

English (en)

Original Assignee

Philips Nv

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.)

1946-03-18

Filing date

1947-03-15

Publication date

1954-04-05

1947-03-15 Application filed by Philips Nv filed Critical Philips Nv

1954-04-05 Application granted granted Critical

1954-04-05 Publication of DK77348C publication Critical patent/DK77348C/da

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
- C09K11/7464—Phosphates
- C09K11/7471—Phosphates with alkaline earth metals
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
- C09K11/7464—Phosphates

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Luminescent Compositions (AREA)

DK109947A 1946-03-18 1947-03-15 Lysskærm. DK77348C (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL681142X		1946-03-18

Publications (1)

Publication Number	Publication Date
DK77348C true DK77348C (da)	1954-04-05

Family

ID=19804336

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK109947A DK77348C (da)	1946-03-18	1947-03-15	Lysskærm.

Country Status (5)

Country	Link
CH (2)	CH263135A (da)
DE (1)	DE809277C (da)
DK (1)	DK77348C (da)
FR (1)	FR943371A (da)
GB (1)	GB681142A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1012011B (de) *	1953-06-30	1957-07-11	Gen Electric	Verfahren zur Herstellung eines Calciumpyrophosphat-Leuchtstoffs

1947
- 1947-03-14 GB GB7135/47A patent/GB681142A/en not_active Expired
- 1947-03-15 DK DK109947A patent/DK77348C/da active
- 1947-03-17 CH CH263135D patent/CH263135A/de unknown
- 1947-03-17 FR FR943371D patent/FR943371A/fr not_active Expired
- 1947-03-17 CH CH263127D patent/CH263127A/de unknown
1948
- 1948-11-05 DE DEP20805D patent/DE809277C/de not_active Expired

Also Published As

Publication number	Publication date
FR943371A (fr)	1949-03-07
DE809277C (de)	1951-07-26
GB681142A (en)	1952-10-22
CH263135A (de)	1949-08-15
CH263127A (de)	1949-08-15

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