PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 08.99 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS | Alkaline developer soln in presence of an electron transfer agent comprising pyrazolidone substituted in the 1-positiob by aromatic group substituted in ortho position by a hydrolyzable -O-CO-Me group & wherein said pyrazolidone accelerates development & is deactivated after period of time in said soln |
PATENT PHOTOCOPY | Available on request |
Want more information ? Interested in the hidden information ? Click here and do your request. |