Company Filing History:

14 out of 12,157

Bayer Aktiengesellschaft

Years Active: 1977-1984

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4481319 - Low-foam surface sizing agents for paper which contain copolymeric (1984-11-06),

2. 4423194 - Polyquaternary ammonium compounds, their preparation, their use in the (1983-12-27),

3. 4418175 - Cationic sizing agents for paper (1983-11-29),

4. 4384110 - Polyamines containing urea groups prepared from lactam or (1983-05-17),

5. 4384056 - Aqueous dispersions based on (meth)acrylic acid alkyl ester polymers (1983-05-17),

6. 4348514 - Polyamines containing urea groups (1982-09-07),

7. 4293661 - Low molecular weight acrylate resins containing hydroxyl and tertiary (1981-10-06),

8. 4287299 - Process for the production of matting layers (1981-09-01),

9. 4248963 - Method of preventing the formation of contact spots on photographic (1981-02-03),

10. 4230812 - Pigment preparations (1980-10-28),

11. 4172188 - Difunctional polymers with terminal hydrazide groups (1979-10-23),

12. 4165431 - Chlorination of polyolefins in the presence of complex formers (1979-08-21),

13. 4152312 - Paper-sizing agents (1979-05-01),

14. 4151336 - Process for the production of a substantially equimolecular copolymer of (1979-04-24),

15. 4113506 - Emulsions of resinic acid isocyanates as sizing agents for paper (1978-09-12),

Title: The Innovations of Gunter Kolb: A Pioneer in Surface Sizing Agents

Introduction

Gunter Kolb, an esteemed inventor based in Leverkusen, Germany, has made significant contributions to the field of material sciences, particularly in the development of innovative surface sizing agents for the paper industry. With a remarkable portfolio of 16 patents, Kolb's work has been instrumental in enhancing the quality and efficiency of paper products, showcasing his dedication to innovation and research.

Latest Patents

Among his latest innovations, Kolb has developed low-foam surface sizing agents for paper. These agents are effective in the form of aqueous or aqueous-alcoholic alkali metal, amine, or ammonium salt solutions of copolymers. His unique formulations involve copolymers of maleic acid anhydride and diisobutylene, as well as terpolymers that incorporate a vinyl monomer. Notably, these solutions contain from 5 to 50 mole percent of a primary aliphatic or aromatic monoamine based on maleic acid anhydride groups. Additionally, they may include urea or derivatives of urea, enhancing the overall performance of the sizing agents.

Another of Kolb's significant patents focuses on new water-soluble polyquaternary compounds created through a precise imidation process. The compounds are derived from specific alternating copolymers of maleic anhydride and olefins, reacted with specific amines, followed by alkylation of the resultant products. These compounds greatly improve the wet and dry tear strength of paper, demonstrating Kolb's innovative approach to enhancing paper quality.

Career Highlights

Gunter Kolb has held notable positions in prominent companies such as Bayer Aktiengesellschaft and Agfa-Gevaert AG. His experiences in these organizations have provided him with a wealth of knowledge and expertise, allowing him to push the boundaries of innovation in surface sizing agents and related materials.

Collaborations

Throughout his career, Kolb has collaborated with other distinguished professionals in the field, including Friedhelm Muller and Gunter Sackmann. These partnerships have been invaluable in driving forward research and development efforts, leading to new inventions and improvements within the paper industry.

Conclusion

Gunter Kolb's impressive body of work exemplifies the spirit of innovation that drives advancements in materials science. His contributions to the development of low-foam surface sizing agents for paper and water-soluble polyquaternary compounds signal a significant impact on the industry. As he continues to innovate, Kolb remains a prominent figure in the realm of patents and inventions, inspiring future generations of inventors.

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