Process for making color separation negatives and positives for use in multi-color printing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 23, 1980
Grant Date -
N/A
app pub date -
Oct 27, 1978
filing date -
Oct 28, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Negative and positive films for use in multi-color printing are prepared by a process which utilizes crystals and interstices therebetween in color-separation negatives for multi-color printing without the use of half-tone screens. Exposure through masks of controlled density ranges relative to the color-separation negatives and positives prepared from the color original result in final negatives and positives as well as duplication negatives and positives which can be utilized in the multi-color printing process.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully