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For the Inventor, By the Inventor

Kelkheim, Germany

Matthias Kroggel

USPTO Granted Patents = 20

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 152(Granted Patents)


Location History:

  • Liederbach, DE (1993)
  • Kelkheim, DE (1991 - 1997)

Company Filing History:

goldMedal20 out of 6,662 
 
Hoechst Aktiengesellschaft
 patents

Years Active: 1991-1997

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20 patents (USPTO):Explore Patents
1. 5635566 - Process for preparing dispersions stabilized with protective colloid (1997-06-03),
2. 5580938 - Graft polyvinyl acetals having acetal groups from etherified (1996-12-03),
3. 5559175 - Polyvinyl acetals which can form emulsifier-free aqueous dispersions and (1996-09-24),
4. 5430116 - Polymers and oligomers of bile acid derivatives, process for their (1995-07-04),
5. 5367015 - Polyvinyl acetals having improved melt viscosity characteristics, (1994-11-22),
6. 5242779 - Photosensitive mixture containing photocurable compound and polyurethane (1993-09-07),
7. 5238772 - Photopolymerizable mixture and recording material containing (1993-08-24),
8. 5236999 - Oxoacetals of polyvinyl alcohols, processes for their preparation and (1993-08-17),
9. 5206113 - Graft polymer with unsaturated lateral chains, photosensitive mixture (1993-04-27),
10. 5204222 - Photocurable elastomeric mixture and recording material, obtained (1993-04-20),
11. 5202394 - Graft polymers with a polyurethane graft base, processes for their (1993-04-13),
12. 5187040 - Photocurable mixture and material containing diazonium salt (1993-02-16),
13. 5149747 - Carboxylic esters of hydroxyl-containing graft polymers and process for (1992-09-22),
14. 5134053 - Graft polymer with unsaturated lateral chains, photosensitive mixture (1992-07-28),
15. 5126504 - Electrophotographic copying material with an alkali soluble polyurethane (1992-06-30),

Title: **Matthias Kroggel: A Pioneer in Polymer Chemistry**

Introduction

Matthias Kroggel, an accomplished inventor based in Kelkheim, Germany, has made significant contributions to the field of polymer chemistry. With a remarkable portfolio of 20 patents, he has focused on innovative processes that enhance the properties of polymeric materials, particularly in relation to coatings and binders.

Latest Patents

Among his latest patents is a groundbreaking method for preparing dispersions stabilized with protective colloids. This particular invention involves the use of sulfonato-containing polyvinyl acetals as protective colloids in the creation of dispersions. These dispersions are characterized by their pH-dependent viscosity and are particularly useful for coating and bonding substrates, acting as effective rheology modifiers and binders suitable for solid paints.

Another notable patent by Matthias is related to graft polyvinyl acetals featuring acetal groups derived from etherified ω-hydroxy(poly)alkoxyalkanals. This patent describes polymeric acetals of polyvinyl alcohols that are grafted onto polyalkylene oxide or polyurethane bases. The patented processes enable the creation of polymers that are internally plasticized, which can be processed into films, shaped articles, or coatings through thermoplastic methods. Additionally, mixed acetals with other aldehydes can be produced, providing a versatile range of properties including varied solubilities in water and organic solvents.

Career Highlights

Matthias Kroggel's career is marked by his tenure at Hoechst Aktiengesellschaft, where he has made substantial advancements in polymer science. His innovative approach and deep understanding of material properties have allowed him to develop patents that are not only technically sound but also commercially viable.

Collaborations

Throughout his career, Matthias has collaborated with esteemed colleagues, including Waltraud Mueller-Hess and Dieter Mohr. These partnerships have played a crucial role in fostering an innovative environment, allowing for the exchange of ideas and the development of groundbreaking technologies in the realm of polymer chemistry.

Conclusion

Matthias Kroggel stands out as a leading inventor in his field, with a wealth of patents that contribute to advancements in the use of polymers. His research not only pushes the boundaries of material science but also enhances the functionality and applicability of polymers in various industrial applications. As he continues to innovate, his work is sure to leave a lasting impact on the industry.

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