Inventor

Charles B. Allen

Inventor
Norristown, PA, US

Overview

13→
Patents
1977–2003
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C11Dprimary
C11DDetergent compositions25%
A61KPreparations for medical, dental or toiletry purposes14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
C07HSugars14%
G02CSpectacles7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
C01BNon-metallic elements4%
F25DRefrigerators4%
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state4%
F41CSmallarms, e.g. pistols, rifles4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1985Patents assigned to ALLEN CHARLES B (3)· patent assignee history
1982–1985Based in Huntington, NY, US· patent location history
1987Patents assigned to BOC GROUP INC (1)· patent assignee history
1994Patents assigned to ALLEN CHARLES (1)· patent assignee history
1996–2000Patents assigned to HENKEL CORP (6)· patent assignee history
1996–1998Based in Norristown, PA, US· patent location history
1998Based in Tampa, FL, US· patent location history
2000Based in East Norriton, PA, US· patent location history
2003Patents assigned to COGNIS CORP (1)· patent assignee history
2003Based in Clinton, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HENKEL CORP61996–2000
ALLEN CHARLES Bself31977–1985
ALLEN CHARLESself11994
BOC GROUP INC11987
COGNIS CORP12003
Locations
LocationPatentsSpan
Norristown, Pennsylvania, US41996–1998
East Norriton, Pennsylvania, US22000
Huntington, New York, US21982–1985
Clinton, New Jersey, US12003
Tampa, Florida, US11998