ATE238372T1 - Reinigung von polyphosphazensäure - Google Patents

Reinigung von polyphosphazensäure

Info

Publication number
ATE238372T1
ATE238372T1 AT98920322T AT98920322T ATE238372T1 AT E238372 T1 ATE238372 T1 AT E238372T1 AT 98920322 T AT98920322 T AT 98920322T AT 98920322 T AT98920322 T AT 98920322T AT E238372 T1 ATE238372 T1 AT E238372T1
Authority
AT
Austria
Prior art keywords
acid
salt
purification
acid salt
polyphosphacene
Prior art date
Application number
AT98920322T
Other languages
English (en)
Inventor
Alexander K Andrianov
Mark P Legolvan
Yuri Svirkin
Sameer S Sule
Original Assignee
Avant Immunotherapeutics Inc
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 Avant Immunotherapeutics Inc filed Critical Avant Immunotherapeutics Inc
Application granted granted Critical
Publication of ATE238372T1 publication Critical patent/ATE238372T1/de

Links

Classifications

    • 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
    • C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
    • C08G79/02—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
    • C08G79/025—Polyphosphazenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT98920322T 1997-05-14 1998-05-07 Reinigung von polyphosphazensäure ATE238372T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/856,073 US5842471A (en) 1997-05-14 1997-05-14 Purification of polyphosphazene polyacids
PCT/US1998/009323 WO1998051730A1 (en) 1997-05-14 1998-05-07 Purification of polyphosphazene polyacids

Publications (1)

Publication Number Publication Date
ATE238372T1 true ATE238372T1 (de) 2003-05-15

Family

ID=25322798

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98920322T ATE238372T1 (de) 1997-05-14 1998-05-07 Reinigung von polyphosphazensäure

Country Status (8)

Country Link
US (1) US5842471A (de)
EP (1) EP0981571B1 (de)
JP (1) JP2001525008A (de)
AT (1) ATE238372T1 (de)
AU (2) AU738454B2 (de)
CA (1) CA2289130A1 (de)
DE (1) DE69813794D1 (de)
WO (2) WO1998051730A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040131631A1 (en) * 2002-11-22 2004-07-08 Alexander Andrianov Polyphosphazene immunostimulants
US20060193820A1 (en) * 2005-02-18 2006-08-31 Andrianov Alexander K Immunostimulating polyphosphazene compounds
JP2009036679A (ja) * 2007-08-02 2009-02-19 Yamaichi Electronics Co Ltd 半導体装置用ソケット
CN103351468B (zh) * 2013-06-06 2015-08-26 西安近代化学研究所 一种芳氧基聚磷腈的纯化方法
WO2017087844A1 (en) * 2015-11-18 2017-05-26 University Of Maryland, College Park Polyphosphazenes, methods of making, and uses thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267311A (en) * 1977-02-22 1981-05-12 The Firestone Tire & Rubber Company Novel method for removal of sodium chloride from phosphazene rubber crumb swollen in water
US4477656A (en) * 1984-01-20 1984-10-16 The Firestone Tire & Rubber Company Method for removing sodium salts from polyphosphazene polymer solutions
US4576806A (en) * 1985-03-29 1986-03-18 Ethyl Corporation Removal of salt from polyphosphazene
US4656246A (en) * 1986-03-17 1987-04-07 Ethyl Corporation Polyetheroxy-substituted polyphosphazene purification
US5053451A (en) * 1990-01-19 1991-10-01 The Pennsylvania Research Corporation Ionically cross-linkable polyphosphazene: poly(bis(carboxylatophenoxy) phosphazene) and its hydrogels and membranes
FR2658092B1 (fr) * 1990-02-13 1992-05-15 Atochem Procede de purification de solutions de polyorganophosphazene par membranes.

Also Published As

Publication number Publication date
EP0981571A1 (de) 2000-03-01
CA2289130A1 (en) 1998-11-19
AU7292698A (en) 1998-12-08
US5842471A (en) 1998-12-01
EP0981571A4 (de) 2000-07-19
JP2001525008A (ja) 2001-12-04
EP0981571B1 (de) 2003-04-23
AU738454B2 (en) 2001-09-20
WO1998051730A1 (en) 1998-11-19
AU7568298A (en) 1998-12-08
DE69813794D1 (de) 2003-05-28
WO1998051740A2 (en) 1998-11-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties