Methine dyes and optical recording medium containing same

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

544295, 544300, 430270, 430945, C09B 2308, G11B 724

Patent

active

050934929

ABSTRACT:
Methine dyes of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, X, Y and the rings A and B each have specific meanings, and methine dyes obtainable by reacting an organic mono- or polyisocyanate with such a methine dye of the abovementioned formal where only the radicals R.sup.1 and/and R.sup.4 have a group reacting with an organic mono- or polyisocyanate are useful in optical recording media.

REFERENCES:
patent: 2955939 (1960-10-01), Brooker et al.
patent: 4551413 (1985-11-01), Bell
patent: 4751309 (1988-06-01), Daltrozzo et al.
patent: 4861796 (1989-08-01), Hulme-Lowe et al.
J. Vac. Sci. Technol., vol. 18, No. 1, Jan./Feb. 1981, pp. 92-99; D. G. Howe, et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Methine dyes and optical recording medium containing same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methine dyes and optical recording medium containing same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methine dyes and optical recording medium containing same will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-273479

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.