CA2026907A1 - Oral compositions - Google Patents

Oral compositions

Info

Publication number
CA2026907A1
CA2026907A1 CA 2026907 CA2026907A CA2026907A1 CA 2026907 A1 CA2026907 A1 CA 2026907A1 CA 2026907 CA2026907 CA 2026907 CA 2026907 A CA2026907 A CA 2026907A CA 2026907 A1 CA2026907 A1 CA 2026907A1
Authority
CA
Canada
Prior art keywords
oral compositions
compositions
compound
contain
zinc
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 2026907
Other languages
French (fr)
Other versions
CA2026907C (en
Inventor
Paul Ian Riley
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.)
Unilever PLC
Original Assignee
Unilever PLC
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 GB8922549A external-priority patent/GB2223537B/en
Application filed by Unilever PLC filed Critical Unilever PLC
Publication of CA2026907A1 publication Critical patent/CA2026907A1/en
Application granted granted Critical
Publication of CA2026907C publication Critical patent/CA2026907C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Cosmetics (AREA)

Abstract

The invention relates to oral compositions such as toothpastes which contain Vitamin C and a copper compound such as coppersulphate. The tendency of these compositions to discolour, particularly if they also contain a zinc compound such as zinc citrate, can be reduced by the inclusion in the compositions of a stannous compound such as stannouspyrophosphate.
CA 2026907 1989-10-06 1990-10-04 Oral compositions Expired - Fee Related CA2026907C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8922549A GB2223537B (en) 1988-10-08 1989-10-06 Injector cleaning/testing apparatus
GB8922549.0 1989-10-06

Publications (2)

Publication Number Publication Date
CA2026907A1 true CA2026907A1 (en) 1991-04-07
CA2026907C CA2026907C (en) 1995-02-14

Family

ID=10664171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2026907 Expired - Fee Related CA2026907C (en) 1989-10-06 1990-10-04 Oral compositions

Country Status (1)

Country Link
CA (1) CA2026907C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10555883B2 (en) 2015-07-01 2020-02-11 Colgate-Palmolive Company Oral care compositions and methods of use
US10588840B2 (en) 2016-06-24 2020-03-17 Colgate-Palmolive Company Oral care compositions and methods of use

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10555883B2 (en) 2015-07-01 2020-02-11 Colgate-Palmolive Company Oral care compositions and methods of use
US10588840B2 (en) 2016-06-24 2020-03-17 Colgate-Palmolive Company Oral care compositions and methods of use
US10617620B2 (en) 2016-06-24 2020-04-14 Colgate-Palmolive Company Oral care compositions and methods of use
US11207254B2 (en) 2016-06-24 2021-12-28 Colgate-Palmolive Company Oral care compositions and methods of use
US11234915B2 (en) 2016-06-24 2022-02-01 Colgate-Palmolive Company Oral care compositions and methods of use

Also Published As

Publication number Publication date
CA2026907C (en) 1995-02-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed