Inventor

David L. Williams

Inventor

Louisville, KY, US

Overview

10→

Patents

1978–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%

C07CAcyclic or carbocyclic compounds33%

A24DCigars14%

C07DHeterocyclic compounds10%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

PatentTitleYear

7,836,898'Reduced ignition propensity smoking article'2010 7,435,862'Radial reactor loading of a dehydrogenation catalyst'2008 6,837,248'Reduced ignition propensity smoking article'2005 6,756,339'Dehydrogenation catalysts'2004 6,465,704'Dehydrogenation catalysts'2002 6,242,379'Dehydrogenation catalysts'2001 6,191,065'Dehydrogenation catalysts'2001 6,177,602'Process for dehydrogenation of alkylaromatic hydrocarbons using a dehydrogenation catalyst'2001 5,023,225'Dehydrogenation catalyst and process for its preparation'1991 4,091,822'Article for the selective removal of hydrogen cyanide from tobacco smoke'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to LOEWS THEATRES INC (1)· patent assignee history

1978–2010Based in Greensboro, NC, US· patent location history

1991–2001Patents assigned to UNITED CATALYSTS INC (4)· patent assignee history

1991–2008Based in Louisville, KY, US· patent location history

2001Patents assigned to NISSAN GIRDLER CATALYSTS CO (1)· patent assignee history

2002–2008Patents assigned to SUED CHEMIE INC (3)· patent assignee history

2005–2010Patents assigned to LORILLARD LICENSING COMPANY LL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNITED CATALYSTS INC	4	1991–2001
SUED CHEMIE INC	3	2002–2008
LORILLARD LICENSING COMPANY LL	2	2005–2010
LOEWS THEATRES INC	1	1978
NISSAN GIRDLER CATALYSTS CO	1	2001

Locations

Location	Patents	Span
Louisville, KY, US	7	1991–2008
Greensboro, NC, US	3	1978–2010