Sieber; Werner

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sieber; Werner.The latest application filed is for "preparations of pteridine pigments".

Company Profile

0.8.2

Sieber; Werner - Riehen CH
Sieber; Werner - Fribourg CH
Sieber; Werner - CH-9448 Widnau CH
Sieber; Werner - Basel CH
Sieber; Werner - Munich DE

*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
Preparations of pteridine pigments Grant 7,621,994 - Bugnon , et al. November 24, 2	2009-11-24
Preparations of Pteridine Pigments App 20080295733 - Bugnon; Philippe ; et al.	2008-12-04
Process for printing substrates according to the ink-jet printing method App 20060111466 - Bujard; Patrice ; et al.	2006-05-25
Process for preparing fine pigment dispersions Grant 6,211,347 - Sieber , et al. April 3, 2	2001-04-03
Highly disperse magnetic metal oxide particles, processes for their preparation and their use Grant 5,776,360 - Sieber July 7, 1	1998-07-07
Distance plate building component with a protective, ventilating, heat-insulating and drainage function Grant 5,489,462 - Sieber February 6, 1	1996-02-06
Use of perylene pigments for photoelectrophoretic imaging Grant 4,431,721 - Jost , et al. February 14, 1	1984-02-14
Device for processing a photographic film Grant 4,303,330 - Hehn , et al. December 1, 1	1981-12-01
Accurate dosing of regenerating fluid to processing-fluid-tank in film developing machine Grant 4,263,932 - Laar , et al. April 28, 1	1981-04-28
Apparatus for simultaneous viewing of both sides of webs of photographic paper or the like Grant 3,964,191 - Sieber , et al. June 22, 1	1976-06-22

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