NL159680B - Werkwijze om in koolwaterstoffen oplosbare copolymeren te bereiden. - Google Patents

Werkwijze om in koolwaterstoffen oplosbare copolymeren te bereiden.

Info

Publication number
NL159680B
NL159680B NL6811291.A NL159680DA NL159680B NL 159680 B NL159680 B NL 159680B NL 159680D A NL159680D A NL 159680DA NL 159680 B NL159680 B NL 159680B
Authority
NL
Netherlands
Prior art keywords
procedure
soluble copolymers
preparing hydrocarbons
hydrocarbons soluble
preparing
Prior art date
Application number
NL6811291.A
Other languages
English (en)
Original Assignee
Du Pont
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 NL159680B publication Critical patent/NL159680B/nl

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
NL6811291.A 1951-03-07 Werkwijze om in koolwaterstoffen oplosbare copolymeren te bereiden. NL159680B (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL709240X 1951-03-07
NL760654X 1953-10-29

Publications (1)

Publication Number Publication Date
NL159680B true NL159680B (nl)

Family

ID=31980708

Family Applications (4)

Application Number Title Priority Date Filing Date
NL159679D NL159679A (nl) 1951-03-07
NL89595D NL89595C (nl) 1951-03-07
NLAANVRAGE7206200,A NL182433B (nl) 1951-03-07 Samenvouwbaar zoekerstelsel voor een eenogige spiegelreflexcamera.
NL6811291.A NL159680B (nl) 1951-03-07 Werkwijze om in koolwaterstoffen oplosbare copolymeren te bereiden.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
NL159679D NL159679A (nl) 1951-03-07
NL89595D NL89595C (nl) 1951-03-07
NLAANVRAGE7206200,A NL182433B (nl) 1951-03-07 Samenvouwbaar zoekerstelsel voor een eenogige spiegelreflexcamera.

Country Status (4)

Country Link
BE (3) BE532795A (nl)
FR (3) FR1051786A (nl)
GB (3) GB709240A (nl)
NL (4) NL159680B (nl)

Also Published As

Publication number Publication date
BE509661A (nl)
GB760654A (en) 1956-11-07
GB709240A (en) 1954-05-19
NL159679A (nl)
BE509662A (nl)
FR1051869A (fr) 1954-01-19
FR67282E (fr)
NL182433B (nl)
GB709241A (en) 1954-05-19
BE532795A (nl)
FR1051786A (fr) 1954-01-19
NL89595C (nl)

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