PT91000A - Processo para a preparcao de poliester-poliois - Google Patents

Processo para a preparcao de poliester-poliois

Info

Publication number
PT91000A
PT91000A PT9100089A PT9100089A PT91000A PT 91000 A PT91000 A PT 91000A PT 9100089 A PT9100089 A PT 9100089A PT 9100089 A PT9100089 A PT 9100089A PT 91000 A PT91000 A PT 91000A
Authority
PT
Portugal
Prior art keywords
preparation
polyesters
functional group
polycondensation
polyester polyols
Prior art date
Application number
PT9100089A
Other languages
English (en)
Other versions
PT91000B (pt
Inventor
Joao Carlos Moura Bordado
Original Assignee
Hoechst Portuguesa S A
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 Hoechst Portuguesa S A filed Critical Hoechst Portuguesa S A
Priority to PT9100089A priority Critical patent/PT91000B/pt
Publication of PT91000A publication Critical patent/PT91000A/pt
Publication of PT91000B publication Critical patent/PT91000B/pt

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
PT9100089A 1989-06-28 1989-06-28 Processo para a preparcao de poliester-poliois PT91000B (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT9100089A PT91000B (pt) 1989-06-28 1989-06-28 Processo para a preparcao de poliester-poliois

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT9100089A PT91000B (pt) 1989-06-28 1989-06-28 Processo para a preparcao de poliester-poliois

Publications (2)

Publication Number Publication Date
PT91000A true PT91000A (pt) 1991-02-08
PT91000B PT91000B (pt) 1995-03-31

Family

ID=20084519

Family Applications (1)

Application Number Title Priority Date Filing Date
PT9100089A PT91000B (pt) 1989-06-28 1989-06-28 Processo para a preparcao de poliester-poliois

Country Status (1)

Country Link
PT (1) PT91000B (pt)

Also Published As

Publication number Publication date
PT91000B (pt) 1995-03-31

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940921

PC3A Transfer or assignment

Free format text: 19990127 RESIQUIMICA - RESINAS QUIMICAS, LIMITADA PT

PD3A Change of proprietorship

Owner name: HOECHST PORTUGUESA, LIMITADA

Effective date: 19990127

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20050321