FR65433E - Preparation of esterified or unesterified dicarboxydiphenylsulfones and their condensation products and new products obtained - Google Patents

Preparation of esterified or unesterified dicarboxydiphenylsulfones and their condensation products and new products obtained

Info

Publication number
FR65433E
FR65433E FR65433DA FR65433E FR 65433 E FR65433 E FR 65433E FR 65433D A FR65433D A FR 65433DA FR 65433 E FR65433 E FR 65433E
Authority
FR
France
Prior art keywords
dicarboxydiphenylsulfones
unesterified
esterified
preparation
condensation products
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
Other languages
French (fr)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority claimed from US313061A external-priority patent/US2744089A/en
Priority claimed from US313067A external-priority patent/US2744095A/en
Priority claimed from US313063A external-priority patent/US2744091A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Priority claimed from US472509A external-priority patent/US2744088A/en
Application granted granted Critical
Publication of FR65433E publication Critical patent/FR65433E/en
Expired legal-status Critical Current

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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
    • C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6886—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00—Preparation of sulfones; Preparation of sulfoxides
    • C07C315/04—Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
FR65433D 1952-10-03 1953-10-02 Preparation of esterified or unesterified dicarboxydiphenylsulfones and their condensation products and new products obtained Expired FR65433E (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US777219XA 1952-10-03 1952-10-03
US313061A US2744089A (en) 1952-10-03 1952-10-03 Linear highly polymeric polyesters from p, p'-sulfonyl dibenzoic acid and pentamethylene or higher glycols
US313067A US2744095A (en) 1952-10-03 1952-10-03 Linear polyesters from p, p'-sulfonyl dibenzoic acid condensed with an aliphatic ether glycol
US313063A US2744091A (en) 1952-10-03 1952-10-03 Linear polyesters from p, p'-sulfonyl dibenzoic acid plus aliphatic dibasic straight chain acids condensed with a glycol
US472509A US2744088A (en) 1954-12-01 1954-12-01 Linear polyesters from p, p'-sulfonyl dibenzoic acid plus aliphatic dibasic straightchain acids condensed with a glycol

Publications (1)

Publication Number Publication Date
FR65433E true FR65433E (en) 1956-02-20

Family

ID=27536158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR65433D Expired FR65433E (en) 1952-10-03 1953-10-02 Preparation of esterified or unesterified dicarboxydiphenylsulfones and their condensation products and new products obtained

Country Status (1)

Country Link
FR (1) FR65433E (en)

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