Nova Patents
AT291000T

Precipitated silica with a constant alkali value and use thereof

Abstract

Precipitated silica or silicates obtainable by acidic precipitation from aqueous silicate solutions by maintaining a constant alkali number of at least 1. A DOLLAR use as a carrier material, for. Example, for choline chloride.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

21 members in 11 offices

This recordMember, by publication datePriority claim1 more office is in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
10112441GermanyA

Members21

Family members, oldest first
DocumentOfficeKind
CA2376654A1CanadaA1
EP1241136A2European Patent Office (EPO)A2
DE10112441A1GermanyA1
MXPA01011620AMexicoA
ZA200202104BSouth AfricaB
JP2002338227AJapanA
EP1241136A3European Patent Office (EPO)A3
US2003003040A1United States of AmericaA1
BR0200743ABrazilA
EP1241136B1European Patent Office (EPO)B1
AT291000TThis recordAustriaT
ATE291000T1AustriaT1
DE50202454D1GermanyD1
TWI233427BTaiwan Province of ChinaB
US2005137317A1United States of AmericaA1
ES2236369T3SpainT3
US7097818B2United States of AmericaB2
JP2009269817AJapanA
BR0200743B1BrazilB1
US7871588B2United States of AmericaB2
JP5383373B2JapanB2