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Inventor

Bernd Leusner

Inventor
Leverkusen, DE

Overview

4→
Patents
1977–1991
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Cprimary
A61CDentistry20%
A61KPreparations for medical, dental or toiletry purposes20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C08LCompositions of macromolecular compounds10%
G02BOptical elements, systems or apparatus10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
4,981,875'Medicaments for the region of the oral cavity'19914,384,097'Contact lenses of methyl methacrylate copolymers'19834,300,886'Shaped dental articles'19814,016,650'Impression tray for dental purposes'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1991Patents assigned to BAYER AG (4)· patent assignee history
1977–1991Based in Leverkusen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG41977–1991
Locations
LocationPatentsSpan
Leverkusen, DE41977–1991