Inventor

Harold M. Fisher

Inventor

Charlotte, NC, US

Overview

1991–2002

Patent span

Chemistry

Primary field (CPC C)

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

B01Dprimary

B01DSeparation17%

A61LMethods or apparatus for sterilising materials or objects in general11%

C08JWorking-up11%

C09DCoating compositions, e.g. paints, varnishes or lacquers11%

Y10TTechnical subjects covered by former us classification11%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%

D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons6%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to HOECHST CELANESE CORP (1)· patent assignee history

1991–2002Based in Charlotte, NC, US· patent location history

1997–1998Patents assigned to COBE LAB (2)· patent assignee history

2002Patents assigned to CELGARD INC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Charlotte, NC, US	5	1991–2002