CA2137400A1 - Rutile Titanium Dioxide Coated Micaceous Pigments Formed Without Tin - Google Patents

Rutile Titanium Dioxide Coated Micaceous Pigments Formed Without Tin

Info

Publication number
CA2137400A1
CA2137400A1 CA 2137400 CA2137400A CA2137400A1 CA 2137400 A1 CA2137400 A1 CA 2137400A1 CA 2137400 CA2137400 CA 2137400 CA 2137400 A CA2137400 A CA 2137400A CA 2137400 A1 CA2137400 A1 CA 2137400A1
Authority
CA
Canada
Prior art keywords
titanium dioxide
tin
rutile titanium
dioxide coated
pigments formed
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA 2137400
Other languages
French (fr)
Other versions
CA2137400C (en
Inventor
Carmine V. Deluca Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Catalysts LLC
Original Assignee
Individual
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
Priority claimed from US08/336,085 external-priority patent/US5433779A/en
Application filed by Individual filed Critical Individual
Publication of CA2137400A1 publication Critical patent/CA2137400A1/en
Application granted granted Critical
Publication of CA2137400C publication Critical patent/CA2137400C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

A pearlescent pigment comprising micaceous particles having an adherent layer of rutile titanium dioxide thereon is prepared by effecting the deposition of hydrous titanium dioxide on the micaceous particles in the presence of iron and calcium, magnesium and/or zinc ions without the use of tin.
CA 2137400 1993-12-06 1994-12-06 Rutile titanium dioxide coated micaceous pigments formed without tin Expired - Fee Related CA2137400C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US336,085 1981-12-31
US16225493A 1993-12-06 1993-12-06
US08/162,254 1993-12-06
US08/336,085 US5433779A (en) 1993-12-06 1994-11-07 Rutile titanium dioxide coated micaceous pigments formed without tin

Publications (2)

Publication Number Publication Date
CA2137400A1 true CA2137400A1 (en) 1995-06-07
CA2137400C CA2137400C (en) 1999-09-07

Family

ID=26858583

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2137400 Expired - Fee Related CA2137400C (en) 1993-12-06 1994-12-06 Rutile titanium dioxide coated micaceous pigments formed without tin

Country Status (1)

Country Link
CA (1) CA2137400C (en)

Also Published As

Publication number Publication date
CA2137400C (en) 1999-09-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20061206