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% Expired Patents = 57.1

Forward Citations = 112

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13 inventors (with patents filed for the assignee):

Alfred Kern (7 out of 25 patents)

Josef Weichmann (5 out of 19 patents)

Alois Maier (5 out of 12 patents)

4. Franz Wolfertstetter (4 out of 9 patents)

5. Stefan Ingrisch (4 out of 8 patents)

6. Herbert Winkelmann (4 out of 6 patents)

7. Gerhard Albrecht (2 out of 39 patents)

8. Manfred Bichler (1 out of 25 patents)

9. Manfred Schuhbeck (1 out of 9 patents)

10. Werner Temme (1 out of 4 patents)

11. Konrad Wutz (1 out of 9 patents)

12. Ralph Bergs (1 out of 2 patents)

13. Christian Huber (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 6855764 - Method for producing self- emulsifiable aqueous polyurethane resins having improved characteristics (2005-02-15),

2. 6787596 - Solvent-free polyrethane-polymer-hybrid-dispersion and use thereof (2004-09-07),

3. 6635723 - Solvent-free polyurethane dispersion (2003-10-21),

4. 6573316 - Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing same (2003-06-03),

5. 6566438 - Hybrid polyurethane-polymer dispersion with high film hardness, method for the production and the use thereof (2003-05-20),

6. 6462127 - Self-crosslinking polyurethane polymer hybrid dispersion (2002-10-08),

7. 6187887 - Water-soluble or water-swellable copolymers containing sulfonic groups and methods of preparation (2001-02-13),

SKW Bauchemie GmbH is a leading manufacturer of construction chemicals based in Germany. With over 100 years of experience, they provide innovative solutions for the construction industry, including admixtures, coatings, and sealants. Their products are used in a variety of applications, from infrastructure projects to residential buildings, to enhance durability, sustainability, and performance.

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USPTO Data Jan 1 1976 - Sep 15 2026

7 Patents

#8 in Trostberg

#4,859 in Germany

Trostberg, Germany

Skw Bauchemie Gmbh