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CHEMETALL GMBH

Overview
  • Total Patents
    1,325
  • GoodIP Patent Rank
    5,095
  • Filing trend
    ⇩ 41.0%
About

CHEMETALL GMBH has a total of 1,325 patent applications. It decreased the IP activity by 41.0%. Its first patent ever was published in 1991. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and Germany. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and machines are SHEMETALL GMBKH, NIPPON BACALAIJINGU CO LTD and BULK CHEMICALS INC.

Patent filings per year

Chart showing CHEMETALL GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wietelmann Ulrich 196
#2 Schwamb Michael 127
#3 Kolberg Thomas 107
#4 Domes Heribert 97
#5 Wasserfallen Daniel 90
#6 Droll Martin 89
#7 Bremser Wolfgang 84
#8 Sotke Vera 84
#9 Seewald Oliver 84
#10 Walter Manfred 82

Latest patents

Publication Filing date Title
WO2021009186A1 Compositions and methods for metal pre-treatment
WO2020200838A1 Phosphate-free cleaner for metallic surfaces with reduced pickling erosion
WO2020200803A1 Improved method for purging paint circuits and waterborne purge cleaner
WO2020169507A1 An anti-rust composition for metal surface and a method of anti-rust treatment on metal surface
WO2020165032A1 Improved method for applying silane-based coatings on solid surfaces, in particular on metal surfaces
WO2020165035A1 Simplified method for pretreating metal substrates for cold forming and reactive lubricant therefor
WO2020156913A1 Alternative composition and alternative method for effectively phosphating metal surfaces
WO2020074529A1 Method for ni-free phosphatizing of metal surfaces and composition for use in such a method
WO2020074527A1 Method for ni-free phosphatizing of metal surfaces and composition for use in such a method
WO2020049132A1 Method for treating surfaces of aluminum containing substrates
WO2020049134A1 Method for treating surfaces of aluminum containing substrates
WO2020007926A1 Method for treating metallic surfaces with an acidic aqueous composition and a post rinsing composition to improve corrosion resistance
BR112020026213A2 METHOD FOR TREATING A METALLIC SURFACE, ACID WATER COMPOSITION, STANDARD MIXTURE, USE OF ACID WATER COMPOSITION, AND, SUBSTRATE
DE102019203989A1 Method for operating a treatment plant, treatment plant and use of a treatment plant
CN111742079A Selective phosphating method for composite metal structure
CN111417744A Boric acid-free composition for removing cryolite-containing deposits
CN111601912A Method for pretreating aluminum material, in particular aluminum wheel hub
KR20200045487A Improved method for nickel-free phosphate treatment of metal surfaces
WO2019020534A1 Coating agent compositions that are suitable for dip coating and that cure at low temperature
CN110462942A As the plastic lid to fuel and hydraulic oil and the sealing compound filling of the combination protection of lightning stroke