Inventor

James R. Kirk

Inventor
Ecosse, GB

Overview

4→
Patents
1976–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation18%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
C11DDetergent compositions18%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials18%
B44CProducing decorative effects9%
H01RElectrically-conductive connections9%
Y10TTechnical subjects covered by former us classification9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to KIRK JAMES ROBERT (1)· patent assignee history
1976Patents assigned to KIRK LARK WARREN (1)· patent assignee history
1976Based in Somerville, MA, US· patent location history
1991–1992Patents assigned to RHONE POULENC CHIMIE (2)· patent assignee history
1991–1992Based in Ecosse, GB· patent location history
2014Patents assigned to KIRK JAMES R (1)· patent assignee history
2014Patents assigned to Su yu sheng (1)· patent assignee history
2014Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RHONE POULENC CHIMIE21991–1992
KIRK JAMES Rself12014
KIRK JAMES ROBERTself11976
KIRK LARK WARREN11976
Su yu sheng12014
Locations
LocationPatentsSpan
Ecosse, GB21991–1992
Taipei, TW12014
Somerville, Massachusetts, US11976