NL81410C - - Google Patents

Info

Publication number
NL81410C
NL81410C NL81410DA NL81410C NL 81410 C NL81410 C NL 81410C NL 81410D A NL81410D A NL 81410DA NL 81410 C NL81410 C NL 81410C
Authority
NL
Netherlands
Application number
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.)
Publication of NL81410C publication Critical patent/NL81410C/xx
Priority claimed from US736913A external-priority patent/US2536658A/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • G03B15/0457—Ignition mechanisms for sequential ignition of flash lamps
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
    • C09F1/00—Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins
    • C09F1/04—Chemical modification, e.g. esterification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
NL81410D 1947-03-25 NL81410C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US736913A US2536658A (en) 1947-03-25 1947-03-25 Process for preparing nitrocellulose compatible resins from pentaerythritol, an alpha-beta unsaturated dicarboxylic acid and a rosin acid
NL6915055.A NL158299B (en) 1947-03-25 1969-10-03 DEVICE FOR LIGHTING COMBUSTION FLASHLIGHTS AFTER EACH OTHER.

Publications (1)

Publication Number Publication Date
NL81410C true NL81410C (en)

Family

ID=26644477

Family Applications (2)

Application Number Title Priority Date Filing Date
NL81410D NL81410C (en) 1947-03-25
NL6915055.A NL158299B (en) 1947-03-25 1969-10-03 DEVICE FOR LIGHTING COMBUSTION FLASHLIGHTS AFTER EACH OTHER.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL6915055.A NL158299B (en) 1947-03-25 1969-10-03 DEVICE FOR LIGHTING COMBUSTION FLASHLIGHTS AFTER EACH OTHER.

Country Status (1)

Country Link
NL (2) NL158299B (en)

Also Published As

Publication number Publication date
NL6915055A (en) 1971-04-06
NL158299B (en) 1978-10-16

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