CH205204A - Method for producing a blueprint paper and blueprint paper produced therefrom. - Google Patents

Method for producing a blueprint paper and blueprint paper produced therefrom.

Info

Publication number
CH205204A
CH205204A CH205204DA CH205204A CH 205204 A CH205204 A CH 205204A CH 205204D A CH205204D A CH 205204DA CH 205204 A CH205204 A CH 205204A
Authority
CH
Switzerland
Prior art keywords
blueprint paper
producing
produced therefrom
blueprint
paper
Prior art date
Application number
Other languages
German (de)
Inventor
Limited J Halden Co
Holden John
Original Assignee
Halden & Co Limited J
Holden John
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 Halden & Co Limited J, Holden John filed Critical Halden & Co Limited J
Publication of CH205204A publication Critical patent/CH205204A/en

Links

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
    • G03C1/00—Photosensitive materials
    • G03C1/64—Compositions containing iron compounds as photosensitive substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
  • Color Printing (AREA)
CH205204D 1937-02-27 1938-02-21 Method for producing a blueprint paper and blueprint paper produced therefrom. CH205204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB205204X 1937-02-27

Publications (1)

Publication Number Publication Date
CH205204A true CH205204A (en) 1939-06-15

Family

ID=10147232

Family Applications (1)

Application Number Title Priority Date Filing Date
CH205204D CH205204A (en) 1937-02-27 1938-02-21 Method for producing a blueprint paper and blueprint paper produced therefrom.

Country Status (3)

Country Link
US (2) US2158422A (en)
CH (1) CH205204A (en)
GB (1) GB494572A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2978345A (en) * 1958-05-15 1961-04-04 Du Pont Stabilization of zinc ferricyanide
US3161510A (en) * 1961-10-26 1964-12-15 Western Electric Co Visual aid technique of presenting drawing changes

Also Published As

Publication number Publication date
US2158422A (en) 1939-05-16
USRE21240E (en) 1939-10-17
GB494572A (en) 1938-10-27

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