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Frankfurt-am-Main, Germany

Hoechstaktiengesellschaft

USPTO Granted Patents = 19

Forward Citations = 90

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42 inventors (with patents filed for the assignee):

Werner Schwertfeger (1 out of 58 patents)

Hans-Harald Sedlacek (1 out of 38 patents)

Thomas Kissel (1 out of 4 patents)

4. Josef Holz (1 out of 16 patents)

5. Werner Thorwart (1 out of 22 patents)

6. Hans-Jerg Kleiner (1 out of 169 patents)

7. Helmut Scheckenbach (1 out of 25 patents)

8. Hans-Dieter Klenk (1 out of 2 patents)

9. Siegfried Weis (1 out of 4 patents)

10. Theodor Papenfuhs (1 out of 116 patents)

11. Rolf Muller (1 out of 5 patents)

12. Thomas Schach (1 out of 16 patents)

13. Axel Schonfeld (1 out of 12 patents)

14. Hans Millauer (1 out of 22 patents)

15. Bernd Scharbert (1 out of 10 patents)

19 patents: Sort by Forward Citations

1. 5916803 - Target cell-specific non-viral vectors for inserting genes into cells, (1999-06-29),

2. 5786397 - Foamable molding compositions (1998-07-28),

3. 5777156 - Carrier catalyst, process for the production therefor for the (1998-07-07),

4. 5714514 - 2-Cyano-3-mercaptocrotonamides (1998-02-03),

5. 5693819 - Process for the selective mono-ortho-hydroxyalkylation of 4-substituted (1997-12-02),

6. 5660187 - Process for preparing an intravaginal application system (1997-08-26),

7. 5644060 - Process for the preparation of 1-oxa-3,8-diaza-4-oxospiro[4.5]decane (1997-07-01),

8. 5518813 - Poly (1,4-cyclohexanedimethylene terephthalate) multifilament yarns for (1996-05-21),

9. 5391698 - Phosphoric acid polyesters and a process for their preparation (1995-02-21),

10. 5294742 - Process for preparing 3,5-difluoroaniline (1994-03-15),

11. 5283350 - Aryl esters of phosphonous halides and a process for the preparation (1994-02-01),

12. 5026463 - Process and apparatus for preparing the surface of a plastic molding by (1991-06-25),

13. 5024825 - Process for the preparation of dicalcium phosphate (1991-06-18),

14. 4788278 - Polyvinylene carbonate and polyhydroxymethylene, processes for their (1988-11-29),

15. 4775746 - Water-soluble monoazo compounds containing a fiber-reactive group of the (1988-10-04),

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

19 Patents

#38 in Frankfurt-am-Main

#2,310 in Germany

#31,684 in the World

Frankfurt-am-Main, Germany

Hoechstaktiengesellschaft

Forward Citations = 90

42 inventors:

Werner Schwertfeger (1 out of 58 patents)

Hans-Harald Sedlacek (1 out of 38 patents)

Thomas Kissel (1 out of 4 patents)

4. Josef Holz (1 out of 16 patents)

5. Werner Thorwart (1 out of 22 patents)

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