SE7408147L - - Google Patents

Info

Publication number
SE7408147L
SE7408147L SE7408147A SE7408147A SE7408147L SE 7408147 L SE7408147 L SE 7408147L SE 7408147 A SE7408147 A SE 7408147A SE 7408147 A SE7408147 A SE 7408147A SE 7408147 L SE7408147 L SE 7408147L
Authority
SE
Sweden
Prior art keywords
dianhydride
preparation
nitrophthalic anhydride
tetracarboxydiphenyl ether
polyetherimides
Prior art date
Application number
SE7408147A
Other languages
English (en)
Other versions
SE412226B (sv
Inventor
A S Hay
T Takekoshi
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE7408147L publication Critical patent/SE7408147L/xx
Publication of SE412226B publication Critical patent/SE412226B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/567Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Epoxy Resins (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
SE7408147A 1973-06-22 1974-06-19 Forfarande for framstellning av 2,2',3,3-tetrakarboxidifenyleterdianhydrid SE412226B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37277173A 1973-06-22 1973-06-22

Publications (2)

Publication Number Publication Date
SE7408147L true SE7408147L (is") 1974-12-23
SE412226B SE412226B (sv) 1980-02-25

Family

ID=23469576

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7408147A SE412226B (sv) 1973-06-22 1974-06-19 Forfarande for framstellning av 2,2',3,3-tetrakarboxidifenyleterdianhydrid

Country Status (10)

Country Link
JP (1) JPS5850992B2 (is")
BR (1) BR7405070D0 (is")
DD (1) DD112430A5 (is")
DE (1) DE2416594C2 (is")
DK (1) DK143400C (is")
FR (1) FR2299331A1 (is")
GB (1) GB1467275A (is")
IT (1) IT1015232B (is")
SE (1) SE412226B (is")
SU (1) SU561504A3 (is")

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166404A (en) * 1989-05-15 1992-11-24 Occidental Chemical Corporation Dioxydiphthalic acid esters
US5185451A (en) * 1989-05-15 1993-02-09 Occidental Chemical Corporation Bis-imides of dioxydiphthalic acid
CN108350148A (zh) * 2015-03-19 2018-07-31 衡所华威电子有限公司 使用酸酐硬化剂的环氧模塑化合物、其制备方法和用途

Also Published As

Publication number Publication date
DK332774A (is") 1975-03-17
JPS5032143A (is") 1975-03-28
JPS5850992B2 (ja) 1983-11-14
DK143400C (da) 1981-12-21
DE2416594C2 (de) 1983-12-08
AU6775674A (en) 1975-10-16
DD112430A5 (is") 1975-04-12
DK143400B (da) 1981-08-17
BR7405070D0 (pt) 1975-01-21
GB1467275A (en) 1977-03-16
FR2299331B1 (is") 1979-02-23
SU561504A3 (ru) 1977-06-05
SE412226B (sv) 1980-02-25
DE2416594A1 (de) 1975-01-16
IT1015232B (it) 1977-05-10
FR2299331A1 (fr) 1976-08-27

Similar Documents

Publication Publication Date Title
SE7408147L (is")
JPS5242015A (en) Run length code processing method for facsimile signal
ES458081A1 (es) Procedimiento para la obtencion de epoxidos de olefinas.
JPS5271433A (en) Preparation of aromatic polycarboxylic acid arylester
JPS5217453A (en) Process for preparation of 2,6- naphthalenedicarboxylic acid
JPS5314755A (en) Aromatic polyamide composition
JPS5436222A (en) Oxidation of phenol
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS527909A (en) Process for preparation of butanediol or butenediol
JPS5222098A (en) Process for preparing polyoxy tetramethylene glycol
ES461253A1 (es) Un procedimiento para la produccion de dihidro-piran-3-ona.
JPS5550472A (en) Production of paraacetoxy benzyl acetate
JPS527481A (en) Preparation of enzyme powder
JPS5253804A (en) Preparation of hexafluoropropylene epoxide
GB1394954A (en) Process for the manufacture of nitro-hydroxy-anthraquinones
JPS5515427A (en) Preparation of olefin oxide
JPS52148037A (en) Preparation of per-#-toluylic acid
JPS5278859A (en) Preparation of 2,3-epoxy-2,3-dihydro-1,4-naphthoquinone
JPS51136632A (en) Process for preparation of dibenzamides
GB1378061A (en) Method and compositions for combating liver fluke
JPS5257111A (en) Process for organic carboxylic acid silver
JPS5214762A (en) Preparation of substituted pyrrol acetic derivatives
JPS5283344A (en) Synthesis of 3-chloro-4-allyloxyphenyl-acetic acid
JPS53132531A (en) Preparation of phenols
JPS51127014A (en) Process for preparation of terpenealcoholacetates

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7408147-2

Effective date: 19890721

Format of ref document f/p: F