IT1004390B - Copoliesteri lineari a base di acido tereftalico e o acido isoftalico procedimento per la loro preparazione e loro impiego - Google Patents

Copoliesteri lineari a base di acido tereftalico e o acido isoftalico procedimento per la loro preparazione e loro impiego

Info

Publication number: IT1004390B
Authority: IT; Italy
Prior art keywords: preparation; procedure; copolyesters based; terephthalic acid; isophthalic acid
Prior art date: 1973-03-27

Application number

IT4939574A

Other languages

English (en)

Original Assignee

Ciba Geigy Ag

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.)

1973-03-27

Filing date

1974-03-21

Publication date

1976-07-10

1973-03-27 Priority claimed from CH439973A external-priority patent/CH576495A5/xx

1974-03-21 Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag

1976-07-10 Application granted granted Critical

1976-07-10 Publication of IT1004390B publication Critical patent/IT1004390B/it

Links

KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 title 2

IT4939574A 1973-03-27 1974-03-21 Copoliesteri lineari a base di acido tereftalico e o acido isoftalico procedimento per la loro preparazione e loro impiego IT1004390B (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH439973A CH576495A5 (it)	1973-03-27	1973-03-27
CH86374		1974-01-22

Publications (1)

Publication Number	Publication Date
IT1004390B true IT1004390B (it)	1976-07-10

Family

ID=25685933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT4939574A IT1004390B (it)	1973-03-27	1974-03-21	Copoliesteri lineari a base di acido tereftalico e o acido isoftalico procedimento per la loro preparazione e loro impiego

Country Status (2)

Country	Link
ES (1)	ES424637A1 (it)
IT (1)	IT1004390B (it)

1974
- 1974-03-21 IT IT4939574A patent/IT1004390B/it active
- 1974-03-26 ES ES424637A patent/ES424637A1/es not_active Expired

Also Published As

Publication number	Publication date
ES424637A1 (es)	1976-11-01

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