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For the Inventor, By the Inventor

Trostberg, Germany

Skw Bauchemie Gmbh

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USPTO Granted Patents = 7

% Expired Patents = 57.1

Forward Citations = 112

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13 inventors (with patents filed for the assignee):

goldMedal Alfred Kern (7 out of 25 patents)

silverMedal Josef Weichmann (5 out of 19 patents)

bronzeMedal 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 26 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:

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),
Company Overview
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.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#8 in Trostberg

#4,867 in Germany

Trostberg, DE
Trostberg, Germany

Skw Bauchemie Gmbh

Forward Citations = 112

13 inventors:

goldMedal Alfred Kern (7 out of 25 patents)

silverMedal Josef Weichmann (5 out of 19 patents)

bronzeMedal Alois Maier (5 out of 12 patents)

4.  Franz Wolfertstetter (4 out of 9 patents)

5.  Stefan Ingrisch (4 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Skw Bauchemie Gmbh. Retrieved from https://idiyas.com/company/skw-bauchemie

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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