Nova Patents
PL207128A1

Dentistry material

Abstract

The invention provides impression materials for use in dentistry comprising the reaction product of (a) a diisocyanate or triisocyanate, (b) a dihydroxy compound having a molecular weight of from 300 to 10,000 and (c) an unsaturated monohydroxy compound. The invention also includes processes for preparing said impression materials.

Term

Term ended

Projected expiry passed 27 May 1993, 33.3 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

39 members in 26 offices

This recordMember, by publication datePriority claim16 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
2724260GermanyA
2724260GermanyA
DE19772724260–––

Members39

Family members, oldest first
DocumentOfficeKind
IT7823892D0ItalyD0
PT68066APortugalA
BE867527ABelgiumA
IE781050LIrelandL
DK235378ADenmarkA
FI781666AFinlandA
FI781666A7FinlandA7
NO781698LNorwayL
SE7806007LSwedenL
NL7805763ANetherlands (Kingdom of the)A
DE2724260A1GermanyA1
FR2391705A1FranceA1
JPS53148890AJapanA
BR7803361ABrazilA
PL207128A1This recordPolandA1
ES470181A1SpainA1
AR215307A1ArgentinaA1
DD138148A5German Democratic Republic (until 1990)A5
PT68066BPortugalB
AU3628878AAustraliaA
US4182829AUnited States of AmericaA
CS199730B2Czechoslovakia (until 1993)B2
PL110798B1PolandB1
PL113841B1PolandB1
HU177288BHungaryB
GB1602414AUnited KingdomA
CA1142684ACanadaA
CH635598A5SwitzerlandA5
IE46980B1IrelandB1
FR2391705B1FranceB1
GR73553BGreeceB
ATA385478AAustriaA
NO151528BNorwayB
AT376988BAustriaB
NO151528CNorwayC
DE2724260C2GermanyC2
IT1109195BItalyB
IT7823892A0ItalyA0
SE442949BSwedenB