DK77348C - Light screen. - Google Patents

Light screen.

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

Danish (da)

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/en

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 Light screen. DK77348C (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=19804336

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK109947A DK77348C (en)	1946-03-18	1947-03-15	Light screen.

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1012011B (en) *	1953-06-30	1957-07-11	Gen Electric	Process for producing a calcium pyrophosphate phosphor

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

Also Published As

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

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