ATE238372T1 - Reinigung von polyphosphazensäure - Google Patents
Reinigung von polyphosphazensäureInfo
- 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
Links
- 239000002253 acid Substances 0.000 title abstract 6
- 238000000746 purification Methods 0.000 title abstract 2
- 150000003839 salts Chemical class 0.000 abstract 8
- 229920002627 poly(phosphazenes) Polymers 0.000 abstract 5
- 150000002500 ions Chemical class 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
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)
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)
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 |
US11472927B2 (en) * | 2015-11-18 | 2022-10-18 | University Of Maryland, College Park | Polyphosphazenes, methods of making, and uses thereof |
Family Cites Families (6)
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. |
-
1997
- 1997-05-14 US US08/856,073 patent/US5842471A/en not_active Expired - Lifetime
-
1998
- 1998-05-07 DE DE69813794T patent/DE69813794D1/de not_active Expired - Lifetime
- 1998-05-07 EP EP98920322A patent/EP0981571B1/de not_active Expired - Lifetime
- 1998-05-07 AU AU72926/98A patent/AU738454B2/en not_active Ceased
- 1998-05-07 CA CA002289130A patent/CA2289130A1/en not_active Abandoned
- 1998-05-07 JP JP54930898A patent/JP2001525008A/ja active Pending
- 1998-05-07 WO PCT/US1998/009323 patent/WO1998051730A1/en active IP Right Grant
- 1998-05-07 AT AT98920322T patent/ATE238372T1/de not_active IP Right Cessation
- 1998-05-12 AU AU75682/98A patent/AU7568298A/en not_active Withdrawn
- 1998-05-12 WO PCT/US1998/009583 patent/WO1998051740A2/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1998051730A1 (en) | 1998-11-19 |
EP0981571A1 (de) | 2000-03-01 |
DE69813794D1 (de) | 2003-05-28 |
AU7292698A (en) | 1998-12-08 |
EP0981571A4 (de) | 2000-07-19 |
JP2001525008A (ja) | 2001-12-04 |
WO1998051740A2 (en) | 1998-11-19 |
AU738454B2 (en) | 2001-09-20 |
EP0981571B1 (de) | 2003-04-23 |
US5842471A (en) | 1998-12-01 |
AU7568298A (en) | 1998-12-08 |
CA2289130A1 (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 |