Inventor

Thomas Beisswenger

Inventor

Radebeul, DE

Overview

1984–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds44%

C07DHeterocyclic compounds44%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%

PatentTitleYear

6,013,815'Production and use of salts of 6,8-bis (amidiniumthio)-octanoic acid'2000 5,994,393'Alpha-lipoic acid with novel modification'1999 5,977,391'(+)- and (-) -8-halogen-6- hydroxy-octanoic acid its salts and esters and process for making'1999 5,869,713'(+)- or (-) -8-halogen-6-hydroxy-octanoic acid, its salts and esters, and process for making'1999 5,760,268'Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid'1998 5,731,448'(+) and (-)-8-chloro-6-sulfonyloxy-octanoic acid, its derivatives, and methods for making'1998 5,621,117'Method for the racemization of enantiomers of .alpha.-lipoic acid'1997 5,455,264'RS-thioctic acid with novel morphology'1995 5,281,722'Preparation and use of salts of the pure enantiomers of alpha-lipoic acid'1994 4,523,012'S-substituted 2-azido-3-mercapto-propionic acid ester and process for its production and use'1985 4,456,766'Process for the production of N-acetyl-2,3-dehydro-aminocarboxylic acid esters'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1994Patents assigned to DEGUSSA (3)· patent assignee history

1984–1985Based in Stuttgart, DE· patent location history

1994Based in Bad Vilbel, DE· patent location history

1995–2000Patents assigned to ASTA MEDICA AG (5)· patent assignee history

1995Based in Bad Duerkheim, DE· patent location history

1997–2000Based in Radebeul, DE· patent location history

1998–1999Patents assigned to DRESDEN ARZNEIMITTEL (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASTA MEDICA AG	5	1995–2000
DEGUSSA	3	1984–1994
DRESDEN ARZNEIMITTEL	3	1998–1999

Locations

Location	Patents	Span
Radebeul, DE	7	1997–2000
Stuttgart, DE	2	1984–1985
Bad Duerkheim, DE	1	1995
Bad Vilbel, DE	1	1994