SE310692B - - Google Patents

Info

Publication number
SE310692B
SE310692B SE9403/62A SE940362A SE310692B SE 310692 B SE310692 B SE 310692B SE 9403/62 A SE9403/62 A SE 9403/62A SE 940362 A SE940362 A SE 940362A SE 310692 B SE310692 B SE 310692B
Authority
SE
Sweden
Application number
SE9403/62A
Inventor
E Gosnell
Original Assignee
Burroughs Corp
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 Burroughs Corp filed Critical Burroughs Corp
Publication of SE310692B publication Critical patent/SE310692B/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B3/00—Manually or mechanically operated teaching appliances working with questions and answers
    • G09B3/02—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G09B3/04—Manually or mechanically operated teaching appliances working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student of chart form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S204/00—Chemistry: electrical and wave energy
    • Y10S204/901—Effecting a color change by wave energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Educational Technology (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Educational Administration (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Printing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Cosmetics (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
SE9403/62A 1961-08-31 1962-08-30 SE310692B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US135359A US3336337A (en) 1961-08-31 1961-08-31 Chromogenous tetrakis(aminophenyl) derivatives of benzodifuran

Publications (1)

Publication Number Publication Date
SE310692B true SE310692B (en) 1969-05-12

Family

ID=22467745

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9403/62A SE310692B (en) 1961-08-31 1962-08-30

Country Status (4)

Country Link
US (1) US3336337A (en)
DE (1) DE1421394C3 (en)
GB (1) GB1018796A (en)
SE (1) SE310692B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1561748C3 (en) * 1966-11-14 1973-12-20 Fuji Shashin Film K.K., Kanagawa Recording material
GB1192938A (en) * 1966-11-18 1970-05-28 Fuji Photo Film Co Ltd Improvements in or relating to Pressure-Sensitive Copying Paper
FR1553291A (en) * 1967-01-27 1969-01-10
US3491111A (en) * 1967-01-30 1970-01-20 Ncr Co Indole- and carbazole-substituted phthalides
US3509174A (en) * 1967-01-30 1970-04-28 Ncr Co 3-(indol-3-yl)-phthalides
US3491117A (en) * 1967-01-30 1970-01-20 Ncr Co Indole substituted pyromellitides
DE1805697B2 (en) * 1967-10-31 1976-09-02 Fuji Shashin Film KK., Ashigara, Kanagawa; Hodogaya Kagaku Kogyo KiC., Tokio; (Japan) COLOR IMAGING PAPER FOR PRESSURE SENSITIVE COPY PAPER MADE FROM A SUPPORT AND A LAYER OF MICROCAPSULES
BE795255A (en) * 1972-02-11 1973-08-09 Monsanto Co PRESSURE SENSITIVE RECORDING MATERIAL, AND DYE SOLVENTS THEREFOR
JPS6025277B2 (en) * 1979-06-18 1985-06-17 三井東圧化学株式会社 heat sensitive recording sheet
EP0036117B1 (en) * 1980-03-14 1986-02-05 Spezial-Papiermaschinenfabrik August Alfred Krupp GmbH & Co Pressure-sensitive recording material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449088A (en) * 1945-07-23 1948-09-14 Monsanto Chemicals Octa-chloro-biphenyl quinone
US2554543A (en) * 1950-02-16 1951-05-29 Hoffmann La Roche 1,2-naphthoquinone condensation products
US2935938A (en) * 1956-04-17 1960-05-10 Eugene Lefebure Methods of copy reproduction
US3012042A (en) * 1956-12-21 1961-12-05 Belge Produits Chimiques Sa Benzofurans
US2870040A (en) * 1957-08-06 1959-01-20 Jr Edwin R Gill Coated manifolding sheets and method of making them
US2940983A (en) * 1958-04-15 1960-06-14 Du Pont Halogen substituted dinaphthofurandiones

Also Published As

Publication number Publication date
DE1421394C3 (en) 1973-11-08
DE1421394B2 (en) 1973-04-12
DE1421394A1 (en) 1969-05-08
GB1018796A (en) 1966-02-02
US3336337A (en) 1967-08-15

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