Inventor

Rudolf Erich Lorenz

Inventor

Ludwigshafen, DE

Overview

1999–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds46%

C07DHeterocyclic compounds29%

C07BGeneral methods of organic chemistry11%

Y02PClimate change mitigation technologies in the production or processing of goods7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

7,759,531'Process for preparing 1,4-butanediol'2010 7,605,292'Method for the separation of polymeric by-products from 1,4-butynediol'2009 7,572,941'Method for the separation of polymeric by-products from 1,4-butynediol'2009 7,538,254'Method for the separation of polymeric by-products from 1,4-butynediol'2009 7,524,996'Method for the separation of polymeric by-products from 1,4-butynediol'2009 6,956,141'Method for preparing acetylene alcohols and their secondary products'2005 6,794,546'Continuous preparation of alkenyl compounds'2004 6,743,912'Storage and transportation of N-vinyl-epsilon-caprolactam'2004 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 6,638,619'Method for producing a granulate from a melt'2003 6,624,303'Method for producing N-alkenyl amides'2003 6,596,862'Purification of N-vinyl--caprolactam'2003 6,583,281'Stabilized N-alkenyllactam'2003 6,384,216'Purification of alkenyl compounds'2002 6,093,855'Separation of the divinyl ether of diethylene glycol or triethylene glycol from the monovinyl ether of the corresponding oliogethylene glycol'2000 5,948,945'Prevention of spontaneous decomposition of gaseous acetylene'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2010Patents assigned to BASF AG (17)· patent assignee history

1999–2009Based in Ludwigshafen, DE· patent location history

2010Based in Lambsheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	17	1999–2010

Locations

Location	Patents	Span
Ludwigshafen, DE	16	1999–2009
Lambsheim, DE	1	2010