DE3801504C2 - - Google Patents

Info

Publication number
DE3801504C2
DE3801504C2 DE3801504A DE3801504A DE3801504C2 DE 3801504 C2 DE3801504 C2 DE 3801504C2 DE 3801504 A DE3801504 A DE 3801504A DE 3801504 A DE3801504 A DE 3801504A DE 3801504 C2 DE3801504 C2 DE 3801504C2
Authority
DE
Germany
Prior art keywords
alkaline earth
polyol
alkali
mono
dihydrogen phosphate
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE3801504A
Other languages
German (de)
English (en)
Other versions
DE3801504A1 (de
Inventor
Dave Lakewood Col. Us Shashi Bhaishanker
William Cain Bailey Col. Us Clifford Jun.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CELITE CORP., LOMPOC, CALIF., US
Original Assignee
Manville 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 Manville Corp filed Critical Manville Corp
Publication of DE3801504A1 publication Critical patent/DE3801504A1/de
Application granted granted Critical
Publication of DE3801504C2 publication Critical patent/DE3801504C2/de
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
DE3801504A 1987-01-28 1988-01-20 Entfernung von alkali- und erdalkalimetallen aus polyol Granted DE3801504A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/008,025 US4855509A (en) 1987-01-28 1987-01-28 Removal of alkali metals from polyols

Publications (2)

Publication Number Publication Date
DE3801504A1 DE3801504A1 (de) 1988-08-11
DE3801504C2 true DE3801504C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-11-09

Family

ID=21729429

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3801504A Granted DE3801504A1 (de) 1987-01-28 1988-01-20 Entfernung von alkali- und erdalkalimetallen aus polyol

Country Status (5)

Country Link
US (1) US4855509A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS63192730A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1266490A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3801504A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2200360B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177297A (en) * 1991-10-30 1993-01-05 Shell Oil Company Method of removing a polymerization catalyst
US5166277A (en) * 1991-10-31 1992-11-24 Shell Oil Company Hydrogenation of unsaturation in low molecular weight diene polymers
US5393843A (en) * 1992-08-31 1995-02-28 Shell Oil Company Butadiene polymers having terminal functional groups
US5336726A (en) * 1993-03-11 1994-08-09 Shell Oil Company Butadiene polymers having terminal silyl groups
US5663250A (en) * 1996-05-16 1997-09-02 Shell Oil Company Deprotection with molten salt
US7495063B2 (en) * 2006-02-03 2009-02-24 Dow Global Technologies Inc. Reduced oligomer concentration in high purity polyalkylene glycols

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770124A (en) * 1980-10-20 1982-04-30 Dai Ichi Kogyo Seiyaku Co Ltd Purification of polyether-polyol

Also Published As

Publication number Publication date
GB8730295D0 (en) 1988-02-03
JPS63192730A (ja) 1988-08-10
GB2200360B (en) 1990-10-17
CA1266490A (en) 1990-03-06
JPH05375B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-05
US4855509A (en) 1989-08-08
DE3801504A1 (de) 1988-08-11
GB2200360A (en) 1988-08-03

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: C08G 65/30

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CELITE CORP., LOMPOC, CALIF., US

8339 Ceased/non-payment of the annual fee