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Inventor

Werner Theysohn

Inventor
Darmstadt, DE

Overview

2→
Patents
1976–1977
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.

C07Bprimary
C07BGeneral methods of organic chemistry22%
C07CAcyclic or carbocyclic compounds22%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
4,026,953'Solvents for NMR spectroscopy'19773,954,410'Solvents for NMR spectroscopy'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to MERCK PATENT GMBH (2)· patent assignee history
1976–1977Based in Darmstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERCK PATENT GMBH21976–1977
Locations
LocationPatentsSpan
Darmstadt, DE21976–1977