CA2152653A1 - Compositions a changement de couleur pour utilisation sur des surfaces non poreuses - Google Patents

Compositions a changement de couleur pour utilisation sur des surfaces non poreuses

Info

Publication number
CA2152653A1
CA2152653A1 CA2152653A CA2152653A CA2152653A1 CA 2152653 A1 CA2152653 A1 CA 2152653A1 CA 2152653 A CA2152653 A CA 2152653A CA 2152653 A CA2152653 A CA 2152653A CA 2152653 A1 CA2152653 A1 CA 2152653A1
Authority
CA
Canada
Prior art keywords
coloring composition
coloring
reducing agent
undercolor
composition
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
CA2152653A
Other languages
English (en)
Other versions
CA2152653C (fr
Inventor
Richard E. Miller
Charlene R. Couch
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.)
Crayola LLC
Original Assignee
Richard E. Miller
Charlene R. Couch
Binney & Smith Inc.
Binney & Smith Llc
Crayola Llc
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 US08/270,998 external-priority patent/US5478382A/en
Application filed by Richard E. Miller, Charlene R. Couch, Binney & Smith Inc., Binney & Smith Llc, Crayola Llc filed Critical Richard E. Miller
Publication of CA2152653A1 publication Critical patent/CA2152653A1/fr
Application granted granted Critical
Publication of CA2152653C publication Critical patent/CA2152653C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

CA 2152653 1994-07-05 1995-06-26 Compositions a changement de couleur pour utilisation sur des surfaces non poreuses Expired - Fee Related CA2152653C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/270,998 US5478382A (en) 1992-07-31 1994-07-05 Color changing compositions for use on non-porous surfaces
US08/270,998 1994-07-05

Publications (2)

Publication Number Publication Date
CA2152653A1 true CA2152653A1 (fr) 1996-01-06
CA2152653C CA2152653C (fr) 1999-12-21

Family

ID=23033760

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2152653 Expired - Fee Related CA2152653C (fr) 1994-07-05 1995-06-26 Compositions a changement de couleur pour utilisation sur des surfaces non poreuses

Country Status (1)

Country Link
CA (1) CA2152653C (fr)

Also Published As

Publication number Publication date
CA2152653C (fr) 1999-12-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed