Josefa Risch — 1 Patent at Hoechst Gmbh

Josefa Risch has been granted 1 US patent while listed as an inventor at Hoechst Gmbh. All of these patents were granted in 1998. Josefa Risch ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Josefa Risch in Liederbach, DE.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5736603	Electrically conductive thermoplastic composite materials and a process for their preparation	Bernhard Pfeiffer, Joachim Heydweiller	1998-04-07	$1,207,000

Josefa Risch — 1 Patent

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