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

Werkwijze om in koolwaterstoffen oplosbare copolymeren te bereiden.

Info

Publication number: NL159680B
Authority: NL; Netherlands
Prior art keywords: procedure; soluble copolymers; preparing hydrocarbons; hydrocarbons soluble; preparing
Prior art date: 1951-03-07

Application number

NL6811291.A

Other languages

English (en)

Dutch (nl)

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.)

1951-03-07

Publication of NL159680B publication Critical patent/NL159680B/xx

Links

229920001577 copolymer Polymers 0.000 title 1
229930195733 hydrocarbon Natural products 0.000 title 1
150000002430 hydrocarbons Chemical class 0.000 title 1

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	Filing Date
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.
NL89595D NL89595C (xx)	1951-03-07
NL159679D NL159679A (xx)	1951-03-07

Family Applications Before (1)

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

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
NL89595D NL89595C (xx)	1951-03-07
NL159679D NL159679A (xx)	1951-03-07

Country Status (4)

Country	Link
BE (3)	BE532795A (xx)
FR (3)	FR1051786A (xx)
GB (3)	GB709241A (xx)
NL (4)	NL159679A (xx)

0
- NL NLAANVRAGE7206200,A patent/NL182433B/xx unknown
- BE BE509661D patent/BE509661A/xx unknown
- NL NL6811291.A patent/NL159680B/xx unknown
- BE BE509662D patent/BE509662A/xx unknown
- BE BE532795D patent/BE532795A/xx unknown
- NL NL89595D patent/NL89595C/xx active
- NL NL159679D patent/NL159679A/xx unknown
1952
- 1952-02-23 FR FR1051786D patent/FR1051786A/fr not_active Expired
- 1952-02-28 FR FR1051869D patent/FR1051869A/fr not_active Expired
- 1952-03-03 GB GB5535/52A patent/GB709241A/en not_active Expired
- 1952-03-03 GB GB5534/52A patent/GB709240A/en not_active Expired
1954
- 1954-10-25 GB GB30683/54A patent/GB760654A/en not_active Expired
- 1954-10-26 FR FR67282D patent/FR67282E/fr active Active

Also Published As

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

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