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name:-0.0035400390625
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Holtmann; Udo Patent Filings

Holtmann; Udo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Holtmann; Udo.The latest application filed is for "preparation of red iron oxide pigment".

Company Profile
0.5.3
  • Holtmann; Udo - Leverkusen DE
  • Holtmann; Udo - Koln DE
  • Holtmann; Udo - Lt 10-Lauro de Freitas/Bahia BR
  • Holtmann; Udo - Krefeld 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
PatentDate
Preparation of red iron oxide pigment
Grant 11,104,807 - Czaplik , et al. August 31, 2
2021-08-31
Preparation Of Red Iron Oxide Pigment
App 20200299515 - CZAPLIK; Waldemar ;   et al.
2020-09-24
Method for producing finely divided haematite and for producing iron oxide red pigments
Grant 9,428,402 - Ketteler , et al. August 30, 2
2016-08-30
Method For Producing Finely Divided Haematite And For Producing Iron Oxide Red Pigments
App 20140205664 - Ketteler; Guido ;   et al.
2014-07-24
Process for the preparation of pigment granules and the use thereof
Grant 7,837,785 - Friedrich , et al. November 23, 2
2010-11-23
Process for the preparation of pigment granules and the use thereof
App 20080257213 - Friedrrich; Holger ;   et al.
2008-10-23
Process for the production of inorganically coated pigments and fillers
Grant 5,792,250 - Braun , et al. August 11, 1
1998-08-11
Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides
Grant 5,723,404 - Butje , et al. March 3, 1
1998-03-03

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