CH216434A - Process for the production of halftone reflex copies. - Google Patents

Process for the production of halftone reflex copies.

Info

Publication number: CH216434A
Authority: CH; Switzerland
Prior art keywords: halftone; production; reflex copies; reflex; copies
Prior art date: 1939-04-14

Application number

Other languages

German (de)

Inventor

Naamlooze Vennootschap Grinten

Original Assignee

Naamlooze Vennootschap Chemisc

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.)

1939-04-14

Filing date

1940-04-01

Publication date

1941-08-31

1940-04-01 Application filed by Naamlooze Vennootschap Chemisc filed Critical Naamlooze Vennootschap Chemisc

1941-08-31 Publication of CH216434A publication Critical patent/CH216434A/en

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/18—Diazo-type processes, e.g. thermal development, or agents therefor
- G03C5/20—Reflex-printing

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Photosensitive Polymer And Photoresist Processing (AREA)
Overhead Projectors And Projection Screens (AREA)

CH216434D 1939-04-14 1940-04-01 Process for the production of halftone reflex copies. CH216434A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL216434X		1939-04-14

Publications (1)

Publication Number	Publication Date
CH216434A true CH216434A (en)	1941-08-31

Family

ID=19779091

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH216434D CH216434A (en)	1939-04-14	1940-04-01	Process for the production of halftone reflex copies.

Country Status (4)

Country	Link
US (1)	US2295632A (en)
CH (1)	CH216434A (en)
DE (1)	DE725305C (en)
FR (1)	FR864584A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3125013A (en) *		1964-03-17		Apparatus for reflex copying by the use of fiber optical devices
US2602741A (en) *	1945-11-01	1952-07-08	Grinten Chem L V D	Sensitized sheets for screen reflectography
BE486534A (en) *	1947-12-31
NL82334C (en) *	1951-03-20
US3010389A (en) *	1953-03-09	1961-11-28	Buskes Willem Marie	Photographic transfer printing plates
US3010390A (en) *	1954-06-29	1961-11-28	Buskes Willem Marie	Planographic printing plates
US3278302A (en) *	1962-01-02	1966-10-11	Xerox Corp	Phosphorescent screen reflex
US3260603A (en) *	1962-11-23	1966-07-12	Minnesota Mining & Mfg	Rough surfaced copy-sheet intermediate
CH584916A5 (en) *	1974-08-30	1977-02-15	Reymond Edgar

1939
- 1939-07-27 DE DEN43482D patent/DE725305C/en not_active Expired
- 1939-09-07 US US293709A patent/US2295632A/en not_active Expired - Lifetime
1940
- 1940-03-30 FR FR864584D patent/FR864584A/en not_active Expired
- 1940-04-01 CH CH216434D patent/CH216434A/en unknown

Also Published As

Publication number	Publication date
FR864584A (en)	1941-04-30
US2295632A (en)	1942-09-15
DE725305C (en)	1942-09-18

Similar Documents

Publication	Publication Date	Title
CH311961A (en)	1955-12-15	Process for the manufacture of selenium rectifiers.
CH228439A (en)	1943-08-31	Process for the production of shaped structures.
CH213753A (en)	1941-03-15	Process for producing positive blueprints.
CH218873A (en)	1942-01-15	Process for the production of cylindrical rayon rolls.
CH214631A (en)	1941-05-15	Process for the production of diazotypes.
CH230638A (en)	1944-01-15	Process for the production of diazo visor layers.
CH221013A (en)	1942-05-15	Process for the preparation of w-oxycapric acid.
CH203162A (en)	1939-02-28	Process for the production of diazotypes.
CH216434A (en)	1941-08-31	Process for the production of halftone reflex copies.
CH215811A (en)	1941-07-15	Apparatus for the manufacture of knitted goods.
CH219953A (en)	1942-03-15	Process for making colored photographic material.
CH203154A (en)	1939-02-28	Process for the manufacture of mirrors.
CH212210A (en)	1940-11-15	Process for the production of printing forms and intermediate forms therefor.
CH295688A (en)	1954-01-15	Process for making patterned metallizations.
CH217627A (en)	1941-10-31	Process for the manufacture of prostheses.
CH214389A (en)	1941-04-30	Apparatus for the manufacture of knitted goods.
CH216172A (en)	1941-08-15	Process for the production of carbon paper.
CH219940A (en)	1942-03-15	Process for the production of artificial resins.
CH226041A (en)	1943-03-15	Process for the production of fluoroscopic copies of originals containing halftones.
CH224638A (en)	1942-12-15	Process for the preparation of p-acetylaminobenzenesulfonylurea.
CH232632A (en)	1944-06-15	Process for producing color photographic images.
CH225373A (en)	1943-01-31	Process for the production of artificial structures.
CH219514A (en)	1942-02-15	Process for the production of denture replacement parts.
CH220757A (en)	1942-04-30	Process for the production of artificial structures.
CH227983A (en)	1943-07-31	Process for the production of copper phthalocyanine.