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Inventor

Detlef Steinmann

Inventor
Rodental, DE

Overview

2→
Patents
1988–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary
C04BLime, magnesia100%
PatentTitleYear
4,814,301'Polycrystalline sintered articles based on silicon nitride and sintering additives'19894,743,571'Polycrystalline sintered bodies on a base of silicon nitride with high fracture toughness and hardness'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to KEMPTEN ELEKTROSCHMELZ GMBH (2)· patent assignee history
1988Based in Buchenberg, DE· patent location history
1989Based in Rodental, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KEMPTEN ELEKTROSCHMELZ GMBH21988–1989
Locations
LocationPatentsSpan
Rodental, DE11989
Buchenberg, DE11988