Inventor

Thomas Preiss

Inventor

Weisenheim, DE

Overview

24→

Patents

1998–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 24 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds56%

C07DHeterocyclic compounds13%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

A61KPreparations for medical, dental or toiletry purposes3%

A61QSpecific use of cosmetics or similar toiletry preparations3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B41JTypewriters3%

C07BGeneral methods of organic chemistry3%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

PatentTitleYear

7,838,705'Process for the preparation of cyclododecanone'2010 7,674,929'Method for the production of Î²-aminopropionic acid derivatives'2010 7,541,497'Method for producing xylylenediamine (XDA)'2009 7,528,284'Method for producing xylylenediamine (XDA)'2009 7,449,606'Method for producing a ketone'2008 7,368,610'Preparation of xylylenediamine (XDA)'2008 7,339,080'Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile'2008 7,323,598'Preparation of xylylenediamine (XDA)'2008 7,323,597'Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile'2008 6,673,920'Method for the production of N-alkenyl-amides'2004 6,649,717'Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers'2003 6,624,303'Method for producing N-alkenyl amides'2003 6,479,687'Preparation of vinylphosphonic acid compounds'2002 6,414,176'Preparation of vinylsilanes'2002 6,369,282'Preparation of alkynediols'2002 6,350,714'Method for preparing a catalyst and catalysts prepared accordingly'2002 6,313,347'Method for producing vinyl oxime-ethers'2001 6,153,786'Method for producing 2-alkynoic acid esters'2000 6,143,850'Lipophilic polymeric UV absorbers'2000 6,107,487'Methine and azamethine dyes based on 5-membered heterocycles with a trifluoromethyl group'2000 5,962,700'Butyrolactone-preparation process'1999 5,840,986'Preparation with heterogeneous catalysis of N-alkyl-substituted aminoalkynes'1998 5,831,129'Preparation, with heterogeneous catalysis, of N-hydroxyalkyl-substituted aminoalkynes'1998 5,808,160'Preparation of hydroxy-alkyl-substituted aminoalkynes with heterogenous catalysis'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2010Patents assigned to BASF AG (23)· patent assignee history

1998–2003Based in Ludwigshafen, DE· patent location history

2002–2010Based in Weisenheim, DE· patent location history

2008Patents assigned to BASF SE (1)· patent assignee history

2010Based in Tsim Sha Tsui, Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	23	1998–2010
BASF SE	1	2008

Locations

Location	Patents	Span
Weisenheim, DE	13	2002–2010
Ludwigshafen, DE	10	1998–2003
Tsim Sha Tsui, Hong Kong, CN	1	2010