USB350219I5 - - Google Patents

Info

Publication number
USB350219I5
USB350219I5 US35021973A USB350219I5 US B350219 I5 USB350219 I5 US B350219I5 US 35021973 A US35021973 A US 35021973A US B350219 I5 USB350219 I5 US B350219I5
Authority
US
United States
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.)
Pending
Application number
Other languages
English (en)
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 filed Critical
Priority to US350219A priority Critical patent/US3917802A/en
Priority to AU67689/74A priority patent/AU481703B2/en
Priority to DE2417363A priority patent/DE2417363C2/de
Priority to FR7412617A priority patent/FR2225475B1/fr
Priority to CA197,302A priority patent/CA1020726A/en
Priority to BE143069A priority patent/BE813562A/xx
Priority to GB1590174A priority patent/GB1445224A/en
Priority to NL7404870A priority patent/NL7404870A/xx
Priority to JP4067174A priority patent/JPS5421837B2/ja
Priority to IT21264/74A priority patent/IT1006420B/it
Publication of USB350219I5 publication Critical patent/USB350219I5/en
Application granted granted Critical
Publication of US3917802A publication Critical patent/US3917802A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/097—Compounds containing nitrogen and non-metals and optionally metals containing phosphorus atoms
    • C01B21/098—Phosphonitrilic dihalides; Polymers thereof
    • C01B21/0986—Phosphonitrilic dichlorides; Polymers thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
US350219A 1973-04-11 1973-04-11 Molecular weight control in (NPCl{11 ){11 {11 polymerization Expired - Lifetime US3917802A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US350219A US3917802A (en) 1973-04-11 1973-04-11 Molecular weight control in (NPCl{11 ){11 {11 polymerization
DE2417363A DE2417363C2 (de) 1973-04-11 1974-04-09 Verfahren zur Herstellung eines linearen polymeren (NPCl↓2↓)↓n↓-Produktes
AU67689/74A AU481703B2 (en) 1973-04-11 1974-04-09 Molecular weight control in polymerisation of chorocyclophosphazenes
CA197,302A CA1020726A (en) 1973-04-11 1974-04-10 Method of molecular weight control in chlorocyclophosphazene polymerization reactions
BE143069A BE813562A (fr) 1973-04-11 1974-04-10 Procede pour imposer le poids moleculaire
GB1590174A GB1445224A (en) 1973-04-11 1974-04-10 Production of phosphonitrilic chloride polymers with controlled molecular weight
FR7412617A FR2225475B1 (enExample) 1973-04-11 1974-04-10
NL7404870A NL7404870A (enExample) 1973-04-11 1974-04-10
JP4067174A JPS5421837B2 (enExample) 1973-04-11 1974-04-10
IT21264/74A IT1006420B (it) 1973-04-11 1974-04-11 Procedimento di polimerizzazione di clorociclofosfazeni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US350219A US3917802A (en) 1973-04-11 1973-04-11 Molecular weight control in (NPCl{11 ){11 {11 polymerization

Publications (2)

Publication Number Publication Date
USB350219I5 true USB350219I5 (enExample) 1975-01-28
US3917802A US3917802A (en) 1975-11-04

Family

ID=23375737

Family Applications (1)

Application Number Title Priority Date Filing Date
US350219A Expired - Lifetime US3917802A (en) 1973-04-11 1973-04-11 Molecular weight control in (NPCl{11 ){11 {11 polymerization

Country Status (9)

Country Link
US (1) US3917802A (enExample)
JP (1) JPS5421837B2 (enExample)
BE (1) BE813562A (enExample)
CA (1) CA1020726A (enExample)
DE (1) DE2417363C2 (enExample)
FR (1) FR2225475B1 (enExample)
GB (1) GB1445224A (enExample)
IT (1) IT1006420B (enExample)
NL (1) NL7404870A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1039783B (it) * 1975-07-11 1979-12-10 Snia Viscosa Metodo perfezionato per la produzione di fibre cellulosiche ad alta resistenza alla combustio ne e fibre e prodotti tessili otenuti secondo il detto metodo
GB1506835A (en) * 1975-08-22 1978-04-12 Firestone Tire & Rubber Co Catalysis of phosphazene cyclics to polymer using lewis acids
CA1105477A (en) * 1976-03-22 1981-07-21 Edwin J. Quinn Structurally regulated polyphosphazene copolymers
US4110421A (en) * 1976-10-12 1978-08-29 Armstrong Cork Company Catalytic process for the preparation of phosphazene polymers
US4175113A (en) * 1978-04-20 1979-11-20 The Firestone Tire & Rubber Company Purification of crude chlorophosphazene compounds by treatment with water
IL95939A0 (en) * 1989-10-20 1991-07-18 Atochem Process for compensating the harmful effects of impurities of n-dichlorophosphoryltrichlorophosphazene and its polycondensation product
FR2681061B1 (fr) * 1991-09-11 1993-11-19 Atochem Procede de preparation de polydichlorophosphazenes a partir d'une composition precurseur a base d'hexachlorocyclotriphosphazene.
US5869016A (en) * 1997-06-18 1999-02-09 Virus Research Institute, Inc. Production of polyorganophosphazenes having desired molecular weights

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370020A (en) * 1964-09-29 1968-02-20 American Cyanamid Co Process for the production of phosphonitrilic polymers and polymers produced thereby
US3443913A (en) * 1967-10-12 1969-05-13 Grace W R & Co Process for preparing high molecular weight linear phosphonitrilic polymers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883587A (en) * 1957-09-06 1961-11-29 Albright & Wilson Mfg Ltd Production of phosphonitrilic polymers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370020A (en) * 1964-09-29 1968-02-20 American Cyanamid Co Process for the production of phosphonitrilic polymers and polymers produced thereby
US3443913A (en) * 1967-10-12 1969-05-13 Grace W R & Co Process for preparing high molecular weight linear phosphonitrilic polymers

Also Published As

Publication number Publication date
JPS5421837B2 (enExample) 1979-08-02
US3917802A (en) 1975-11-04
DE2417363A1 (de) 1974-10-24
FR2225475B1 (enExample) 1978-11-17
NL7404870A (enExample) 1974-10-15
GB1445224A (en) 1976-08-04
DE2417363C2 (de) 1985-03-07
BE813562A (fr) 1974-07-31
CA1020726A (en) 1977-11-15
IT1006420B (it) 1976-09-30
AU6768974A (en) 1975-10-09
JPS5052200A (enExample) 1975-05-09
FR2225475A1 (enExample) 1974-11-08

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Legal Events

Date Code Title Description
AS Assignment

Owner name: BRIDGESTONE/FIRESTONE, INC., A CORP. OF OH.

Free format text: CHANGE OF NAME;ASSIGNOR:FIRESTONE TIRE & RUBBER COMPANY, THE, A CORP. OF OH.;REEL/FRAME:005237/0003

Effective date: 19890731