Wald; Roland

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wald; Roland.The latest application filed is for "trichromatic dyeing process and dye mixtures used therein".

Company Profile

0.11.4

Wald; Roland - Huningue FR
Wald; Roland - Skarholmen SE
Wald, Roland - El Skarholmen SE

*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
Trichromatic dyeing process and dye mixtures used therein Grant 7,410,594 - Gisler , et al. August 12, 2	2008-08-12
Fiber-reactive mono-azo dyes Grant 7,091,328 - Wald , et al. August 15, 2	2006-08-15
Trichromatic dyeing process and dye mixtures used therein App 20040250358 - Gisler, Markus ; et al.	2004-12-16
Fiber-reactive mono-azo dyes App 20040127693 - Wald, Roland ; et al.	2004-07-01
Organic compounds App 20030183123 - Wald, Roland	2003-10-02
Zero-voltage-switch snubber circuit Grant 6,518,739 - Wald , et al. February 11, 2	2003-02-11
Zero-voltage-switch snubber circuit App 20020118003 - Wald, Roland ; et al.	2002-08-29
Dyes having one or two 2,4- or 4,6-dichloro-5-cyanopyrimidyl groups linked through bridging radicals containing at least two nitrogen atoms to chloro-1,3,5-triazinyl groups Grant 5,227,477 - Auerbach , et al. July 13, 1	1993-07-13
Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical Grant 5,077,396 - Moser , et al. December 31, 1	1991-12-31
Dyes containing 6-hydroxypyrid-2-one groups the 1-positions of which contain substituted 1,3,5-triazinyl or pyrimidyl-piperazino or -piperazinium groups linked through bridging radicals and intermediates therefor Grant 5,059,683 - Moser , et al. October 22, 1	1991-10-22
Metal-free sulfo group-free basis disazo and trisazo compounds containing two different 6-hydroxypyrid-2-one coupling component radicals Grant 5,037,964 - Moser , et al. August 6, 1	1991-08-06
Metal-free disazo and polyazo compounds having at least one 6-hydroxypyrid-2-one coupling component radical linked to a 1-amino- or hydroxy-3-amino- or hydroxybenzene coupling component radical and metal complexes thereof Grant 5,001,226 - Moser , et al. March 19, 1	1991-03-19
Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group Grant 4,900,812 - Moser , et al. February 13, 1	1990-02-13
Use of metal-free azo _compounds having at least one _6-hydroxypyrid-2-one _coupling component radical and metal _complexes thereof for dyeing _substrates and substrates dyed therewith Grant 4,780,106 - Moser , et al. October 25, 1	1988-10-25
Azo compounds having at least one 6-hydroxypyrid-2-one coupling component radical metal complexes thereof and intermediates therefor Grant 4,673,735 - Moser , et al. June 16, 1	1987-06-16

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