CA2152544C - Compositions a changement de couleur pour surligneurs - Google Patents

Compositions a changement de couleur pour surligneurs Download PDF

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Publication number
CA2152544C
CA2152544C CA 2152544 CA2152544A CA2152544C CA 2152544 C CA2152544 C CA 2152544C CA 2152544 CA2152544 CA 2152544 CA 2152544 A CA2152544 A CA 2152544A CA 2152544 C CA2152544 C CA 2152544C
Authority
CA
Canada
Prior art keywords
coloring composition
overcolor
undercolor
weight
dye
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.)
Expired - Fee Related
Application number
CA 2152544
Other languages
English (en)
Other versions
CA2152544A1 (fr
Inventor
Richard E. Miller
Cheryl P. Krieger
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.)
Binney and Smith Inc
Original Assignee
Binney and Smith Inc
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 US08/317,139 external-priority patent/US5492558A/en
Application filed by Binney and Smith Inc filed Critical Binney and Smith Inc
Publication of CA2152544A1 publication Critical patent/CA2152544A1/fr
Application granted granted Critical
Publication of CA2152544C publication Critical patent/CA2152544C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Inks, Pencil-Leads, Or Crayons (AREA)
CA 2152544 1994-10-03 1995-06-23 Compositions a changement de couleur pour surligneurs Expired - Fee Related CA2152544C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/317,139 US5492558A (en) 1992-07-31 1994-10-03 Color changing compositions for highlighters
US08/317,139 1994-10-03

Publications (2)

Publication Number Publication Date
CA2152544A1 CA2152544A1 (fr) 1996-04-04
CA2152544C true CA2152544C (fr) 2000-02-01

Family

ID=23232286

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2152544 Expired - Fee Related CA2152544C (fr) 1994-10-03 1995-06-23 Compositions a changement de couleur pour surligneurs

Country Status (1)

Country Link
CA (1) CA2152544C (fr)

Also Published As

Publication number Publication date
CA2152544A1 (fr) 1996-04-04

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