High-molecular weight gel and display device

Details High-molecular weight gel and display device High-molecular weight gel and display device

2005-05-31

2005-05-31

Hess, B. Hamilton (Department: 1774)

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Identified color-former

C503S218000, C503S220000, C503S223000

Reexamination Certificate

active

06900158

ABSTRACT:
A high-molecular weight gel having a leuco dye represented by the formula (L-1) as defined herein, connected thereto by covalent bond or single bond, and a high-molecular weight gel represented by the formula (R-1) as defined herein.

REFERENCES:
patent: 6120588 (2000-09-01), Jacobson
patent: 6721083 (2004-04-01), Jacobson et al.
patent: 62-55967 (1987-03-01), None
patent: 9-160081 (1997-06-01), None
patent: 11-181031 (1999-07-01), None
patent: 11-236559 (1999-08-01), None

Affiliated with

Also associated with

Rating

High-molecular weight gel and display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High-molecular weight gel and display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-molecular weight gel and display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3408465