Inventor
William J. Chambers
Inventor
Wilmington, DE, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices21%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08LCompositions of macromolecular compounds16%
C08BPolysaccharides13%
B29CShaping or joining of plastics5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
G03CPhotosensitive materials for photographic purposes5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
PatentTitleYear
10,759,876Systems for producing superabsorbent polymers for use in agricultural applications20209,957,341Biodegradable absorbent material and method of manufacture20189,181,377'Biodegradable absorbent material and method of manufacture'20158,507,607'Biodegradable absorbent material and method of manufacture'20137,591,974'Methods for producing superabsorbent polymers for use in agricultural applications'20094,520,093'Photosensitive composition and method for forming a neutral black image'19854,335,197'Photoimaging process'19824,308,338'Methods of imaging photopolymerizable materials containing diester polyether'19814,291,115'Elements and method which use photopolymerizable compositions based on salt-forming polymers and polyhydroxy polyethers'19814,264,708'Radiation sensitive element having a thin photopolymerizable layer'19814,245,031'Photopolymerizable compositions based on salt-forming polymers and polyhydroxy polyethers'19814,150,989'Photosensitive article having polyaldehydes and its use in photoimaging'19794,108,839'Photosensitive polyaldehydes and use in photoimaging'19783,940,359'Soil-repellent coating compositions'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to DU PONT (9)· patent assignee history
1976–1985Based in Wilmington, DE, US· patent location history
2009Patents assigned to ABSORBENT TECHNOLOGIES INC (1)· patent assignee history
2009–2020Based in Lebanon, OR, US· patent location history
2013–2020Patents assigned to CHAMBERS WILLIAM (3)· patent assignee history
2015Patents assigned to CHAMBERS WILLIAM J (1)· patent assignee history
2020Patents assigned to FORNI RODNEY L (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU PONT | 9 | 1976–1985 |
| CHAMBERS WILLIAMself | 3 | 2013–2020 |
| ABSORBENT TECHNOLOGIES INC | 1 | 2009 |
| CHAMBERS WILLIAM Jself | 1 | 2015 |
| FORNI RODNEY L | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Wilmington, Delaware, US | 9 | 1976–1985 |
| Lebanon, OR, US | 5 | 2009–2020 |