Lok, Roger

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lok, Roger.The latest application filed is for "silver halide elements containing activated precursors to thiocyanato stabilizers".

Company Profile

0.7.3

Lok, Roger - Hilton NY
Lok; Roger - Rochester NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Silver halide elements containing activated precursors to thiocyanato stabilizers App 20050123867 - Lok, Roger ; et al.	2005-06-09
High chloride emulsion having high sensitivity and low fog Grant 6,740,482 - Chen , et al. May 25, 2	2004-05-25
Bis AU(I) sensitizers and their synthesis Grant 6,696,586 - Cleary , et al. February 24, 2	2004-02-24
Novel Bis Au(i) Sensitizers And Their Synthesis App 20040030136 - Cleary, Brian P. ; et al.	2004-02-12
Silver ion sequester and release agent Grant 6,689,335 - Bringley , et al. February 10, 2	2004-02-10
Silver halide photographic elements containing bis Au(I) sensitizers Grant 6,686,143 - Lok , et al. February 3, 2	2004-02-03
High chloride silver halide elements containing pyrimidine compounds App 20030082492 - Chen, Shihua S. ; et al.	2003-05-01
Iodochloride emulsions containing quinones having high sensitivity and low fog Grant 5,547,827 - Chen , et al. August 20, 1	1996-08-20
Heat stabilized silver chloride photographic emulsions containing thiosulfonate/sulfinate compounds Grant 5,443,947 - Lok August 22, 1	1995-08-22
High chloride tabular grain emulsions and processes for their preparation Grant 5,320,938 - House , et al. June 14, 1	1994-06-14

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