Company Filing History:

8 out of 2,080

Henkel Kommanditgesellschaft Auf Aktien

patents

3 out of 16

Gerhard Collardin Gmbh

patents

Years Active: 1983-2002

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6395105 - Phosphating process with a metalliferous re-rinsing stage (2002-05-28),

2. 6197126 - Nickel-free phosphating process (2001-03-06),

3. 6090224 - Phosphating process with a copper-containing re-rinsing stage (2000-07-18),

4. 5792283 - Nickel-free phosphating process (1998-08-11),

5. 5391240 - Process for the passivating post-treatment of phosphatized metal surfaces (1995-02-21),

6. 5312492 - Process not using chlorate or nitrite for the production of nickel and (1994-05-17),

7. 5207840 - Process for preparing zinc phosphate coatings containing manganese and (1993-05-04),

8. 4968360 - Process for desludging phosphating baths and device for carrying out (1990-11-06),

9. 4762572 - Process for phosphating electrolytically zinc-coated metals (1988-08-09),

10. 4490185 - Phosphating solutions and process (1984-12-25),

11. 4384900 - Method of treating metal surfaces prior to phosphatization (1983-05-24),

Title: The Innovator Behind Advanced Phosphating Processes: Karl-Heinz Gottwald

Introduction:

Karl-Heinz Gottwald, a distinguished inventor hailing from Erftstadt, DE, has made significant contributions to the field of metallurgy with his groundbreaking phosphating processes. With a total of 11 patents to his name, Karl-Heinz Gottwald has continually pushed the boundaries of innovation in surface treatment technologies.

Latest Patents:

1. Phosphating process with a metalliferous re-rinsing stage: This patent introduces a novel method for phosphating metal surfaces using a nitrite- and nickel-free zinc-containing phosphating solution, followed by re-rinsing with an aqueous solution containing specific cations.

2. Nickel-free phosphating process: This patent showcases a process for applying a nickel-free, copper-containing phosphate coating to metal surfaces, utilizing a phosphate solution with controlled concentrations of zinc ions, copper ions, and phosphate ions.

Career Highlights:

Karl-Heinz Gottwald has enriched his expertise through notable stints at Henkel Kommanditgesellschaft Auf Aktien and Gerhard Collardin GmbH. His innovative approaches have not only enhanced the efficiency of surface treatment processes but have also paved the way for sustainable and eco-friendly solutions in the industry.

Collaborations:

Among his esteemed colleagues are Jan-Willem Brouwer and Wolf-Achim Roland, with whom Karl-Heinz Gottwald has collaborated closely to bring his inventive concepts to fruition. Their combined efforts have fueled the success of various projects and have reinforced the importance of teamwork in driving technological advancements.

Conclusion:

Karl-Heinz Gottwald's ingenuity and dedication to revolutionizing phosphating processes have established him as a leading figure in the realm of surface treatment technologies. His patented innovations not only reflect his technical prowess but also underscore his commitment to shaping a more resilient and progressive industry landscape.

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