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For the Inventor, By the Inventor

Cologne, Germany

Walter Schafer

USPTO Granted Patents = 40

Average Co-Inventor Count = 3.8

ph-index = 11

Forward Citations = 465(Granted Patents)


Location History:

  • Leverkusen, DE (1977 - 1978)
  • Cologne, DE (1978 - 1988)
  • Liechlingen, DE (1989)
  • Leichlingen, DE (1989 - 1999)
  • Leighlingen, DE (1999)

Company Filing History:

goldMedal39 out of 12,160 
 
Bayer Aktiengesellschaft
 patents
silverMedal1 out of 1,473 
 
Agfa-gevaert Ag
 patents

Years Active: 1977-1999

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Areas of Expertise:
Hexacyanocobaltate Compounds
Polyisocyanate Modifications
Powder Coating Composition
Cyclic Isourea Components
Reactive Adhesives
Aqueous Polymer Dispersions
Foamed Microbeads
Impact-Resistant Polyamides
Microencapsulation Techniques
Carbodiimide Compounds
Polyhydroxyl Compounds
Polyureas Production
40 patents (USPTO):Explore Patents
1. 5998327 - Zinc/metal hexacyanocobaltate complex compounds, a process for their (1999-12-07),
2. 5959060 - Polyisocyanate-modified polycarboxylic acids and their use as (1999-09-28),
3. 5786419 - Powder coating composition and its use for the preparation of matte (1998-07-28),
4. 5534601 - Polyisocyanate-modified dicarboxylic (poly) anhydrides (1996-07-09),
5. 5312962 - Process for the production of compounds containing aldimine or ketimine (1994-05-17),
6. 5310719 - Dye acceptor element for thermosublimation printing (1994-05-10),
7. 5292807 - Compositions of cyclic isourea component with carboxyl component (1994-03-08),
8. 5242978 - Alkoxysilylamines as curing agents for plastics precursors containing (1993-09-07),
9. 5104959 - Polyurethane-based reactive adhesives in which the isocyanate is (1992-04-14),
10. 4945137 - Binder combinations and a process for the production of flat materials (1990-07-31),
11. 4921996 - Isocyanato-acylurethanes, a process for their preparation and their use (1990-05-01),
12. 4918135 - Process for the preparation of aqueous polymer dispersions the (1990-04-17),
13. 4904750 - Ester-urethane derivatives of (meth)-acrylic acid for dental materials (1990-02-27),
14. 4900800 - Powder lacquer and its use for coating heat-resistant substrates (1990-02-13),
15. 4895921 - Water soluble or dispersible blocked polyisocyanates and a process for (1990-01-23),

Title: The Innovations of Walter Schafer: A Pioneering Inventor in Coating Technologies

Introduction

Walter Schafer is a distinguished inventor based in Cologne, Germany, with an impressive collection of 40 patents to his name. His innovative contributions have significantly impacted the field of materials science, particularly in developing new compounds and processes related to coating technologies.

Latest Patents

Among Walter Schafer's latest patents is the invention of zinc/metal hexacyanocobaltate complex compounds. This novel class of compounds promises to enhance various industrial applications through improved chemical properties. Another notable invention involves polyisocyanate-modified polycarboxylic acids, which relates to dicarboxylic acid derivatives. These compounds are generated by reacting organic polyisocyanates with dicarboxylic acid (poly)anhydrides, leading to innovative solutions for coating compositions, especially powder coatings intended for use with epoxy resins.

Career Highlights

Walter's career is marked by significant achievements while working at major corporations, including Bayer Aktiengesellschaft and Agfa-Gevaert AG. His extensive experience in these leading companies has helped foster a rich environment for innovation, allowing him to pursue his research and development effectively.

Collaborations

In his pursuit of innovation, Walter has collaborated with notable professionals such as Kuno Wagner and Kurt Findeisen. These partnerships have undoubtedly enriched his projects, fostering an exchange of ideas that advance the technology and application of his inventions.

Conclusion

Walter Schafer stands out as a remarkable inventor whose work continues to influence the field of materials and coating technologies. His patents not only reflect his expertise but also contribute to advancements that can benefit various industries. As the landscape of innovations evolves, Walter's contributions will likely inspire future developments in these fields.

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