Positive developer containing non-ionic surfactants
Patent 4374920 Issued on February 22, 1983. Estimated Expiration Date: 
July 27, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 27, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3110596 3586504 3669660 3707373 3738850 3745028 3868254 3891438 3891439 Substractive developer for negative working lithographic plates InventorsAssigneeApplicationNo. 06/287465 filed on 07/27/1981US Classes:430/331, Finishing or perfecting composition or product430/309Post imaging processExaminersPrimary: Smith, John D.Attorney, Agent or FirmInternational ClassG03F 7/32 (20060101)AbstractA developer composition for positive working lithographic printing plates and photoresists comprising an aqueous alkaline solution with a non-ionic surfactant.Other References
|
| ||||||||||||||
