Nova Patents
AT361263T

Hollow fine powder, flaky fine titanium oxide powder prepared by pulverizing said hollow fine powder, and process for preparing the both

Abstract

The inventions disclosed by spray drying and preparation of flaky titanium dioxide Sol covered with a thin, hollow, titanium dioxide powder; described by smashing Flake out of hollow powder of titanium dioxide powder; and a method for preparation of both. These fine powder has excellent dispersibility, and therefore can be used as cosmetics, paints and paint additives. In addition, the hollow fine powder has excellent liquidity, therefore can also be used as a seed of determination of fluid particles.

Term

No projected expiry on record.

  1. Priority
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25 members in 10 offices

This recordMember, by publication datePriority claim

Priority claims7

Priority claims
DocumentOfficeKindDate
25426697JapanA
25426797JapanA
25426897JapanA
36490897JapanA
36490997JapanA
3054198JapanA
3054298JapanA

Members25

Family members, oldest first
DocumentOfficeKind
CA2300811A1CanadaA1
WO9911574A1World Intellectual Property Organization (WIPO)A1
AU8996398AAustraliaA
EP1033347A1European Patent Office (EPO)A1
CN1269768AChinaA
KR20010023471ARepublic of KoreaA
AU743389B2AustraliaB2
EP1033347A4European Patent Office (EPO)A4
KR100443451B1Republic of KoreaB1
JP3611303B2JapanB2
CA2300811CCanadaC
EP1033347B1European Patent Office (EPO)B1
AT361263TThis recordAustriaT
DE69837721D1GermanyD1
CN1330577CChinaC
US2008003176A1United States of AmericaA1
DE69837721T2GermanyT2
US2008008645A1United States of AmericaA1
US2008031807A1United States of AmericaA1
US7531160B2United States of AmericaB2
US7943114B2United States of AmericaB2
US7947249B2United States of AmericaB2
US8163386B1United States of AmericaB1
EP1033347B2European Patent Office (EPO)B2
DE69837721T3GermanyT3