C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
42/3, 260/306.1,
C07C 215/68 (2006.01) B41M 5/136 (2006.01) B41M 5/30 (2006.01) B41M 5/323 (2006.01) C07C 217/76 (2006.01) C07D 209/12 (2006.01) C07D 209/86 (2006.01)
Patent
CA 2029967
3519 ABSTRACT A chromogenic compound for use in pressure- or heat- sensitive record material has the general formula (I): R1-CH=CH-CR3(OR4)-CH=CH-R2 (I) in which: R1 and R2 are the same or different and each is a group of one of the formulae (II): Image ; Image ; or Image . (IIa) (IIb) (IIc) in which the benzene ring of the group of formula (IIa) is optionally further substituted, and in which: R10 and R11 are each independently hydrogen or an optionally-substituted alkyl, aryl or aralkyl group, or R10 and R11 together with the nitrogen atom to which they are attached form an optionally-substituted heterocyclic ring, which may include one or more further hetero atoms; R12, R13 and R14 are each independently hydrogen or an optionally-substituted alkyl, aryl or aralkyl group; R3 is an optionally-substituted aryl group; and R4 is hydrogen or an optionally-substituted alkyl, aryl or aralkyl group.
Shanton Kenneth John
The Wiggins Teape Group Limited
Fetherstonhaugh & Co.
The Wiggins Teape Group Limited
LandOfFree
Divinyl carbinol or carbinol derivative chromogenic... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Divinyl carbinol or carbinol derivative chromogenic..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Divinyl carbinol or carbinol derivative chromogenic... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1558214