Inventor

Ruth Heerdt

Inventor

Mannheim-Feudenheim, DE

Overview

1976–1984

Patent span

Chemistry

Primary field (CPC C)

Patents· 15 as inventor

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

C07Dprimary

C07DHeterocyclic compounds36%

C07CAcyclic or carbocyclic compounds32%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%

A61KPreparations for medical, dental or toiletry purposes7%

PatentTitleYear

4,425,360'Pharmacologically active novel O-substituted pyruvic acid oximes'1984 4,387,104'N-Substituted pyruvic acid hydrazones, preparation thereof and pharmaceutical compositions containing them'1983 4,376,731'1-Aziridine carboxylic acid derivatives with immunostimulant activity'1983 4,278,680'Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid'1981 4,238,506'Hypoglycaemically and hypolipidaemically active derivatives of phenyl-alkane-carboxylic acids'1980 4,207,341'Hypoglycaemically and hypolipidaemically active derivatives of phenylacetic acid'1980 4,206,231'Hypoglycaemically active 2-alkyl- or -alkenyl-hydrazono propionic acid derivatives'1980 4,136,196'Hypoglycaemically active 2-(phenylalkyl- or -alkenyl hydrazono)-propionic acid derivatives'1979 4,136,197'Hypoglycaemically and hypolipidaemically effective n-substituted carboxylic acid amides'1979 4,113,871'Hypoglycemically and hypolipidemically active derivatives of phenyl-alkane-carboxylic acids'1978 4,053,624'Indole-2-carbaldehyde compounds and blood sugar reducing compositions'1977 4,017,539'Biguanide compounds and anti-diabetic compositions'1977 3,996,241'2-Hydroxymethyl indole compounds and blood sugar lowering compositions'1976 3,962,244'Benzene sulfonyl ureas'1976 3,939,269'Benzenesulfon YL-semicarbazides for lowering blood sugar levels'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to BOEHRINGER MANNHEIM GMBH (13)· patent assignee history

1976Patents assigned to HOECHST AG (2)· patent assignee history

1976–1983Based in Mannheim-Feudenheim, DE· patent location history

1976–1984Based in Mannheim, DE· patent location history

1979Based in Mannheim-Freudenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BOEHRINGER MANNHEIM GMBH	13	1976–1984
HOECHST AG	2	1976

Locations

Location	Patents	Span
Mannheim-Feudenheim, DE	10	1976–1983
Mannheim, DE	4	1976–1984
Mannheim-Freudenheim, DE	1	1979