Inventor
John A. Westland
Inventor
Auburn, WA, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions15%
Y10TTechnical subjects covered by former us classification12%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials10%
A61LMethods or apparatus for sterilising materials or objects in general8%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials8%
C08BPolysaccharides7%
C04BLime, magnesia5%
C08LCompositions of macromolecular compounds5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%
PatentTitleYear
9,845,575Fibrillated blend of lyocell low DP pulp20178,894,812'Fibrillated blend of lyocell and cellulosic low DP pulp'20148,435,345'Internally curing cement based materials'20138,293,003'Method of making a fiber cement board with improved properties and the product'20128,273,174'Method of making a fiber cement board with improved properties and the product'20127,390,566'Viscose product'20086,951,933'Superabsorbent polymer'20056,752,944'Method for making crosslinked fibers having high wet bulk'20046,703,125'High-wet-bulk cellulosic fibers'20046,620,865'Polycarboxylic acid crosslinked cellulosic fibers'20036,572,919'Crosslinkable cellulosic fibrous product'20036,551,706'High-wet-bulk cellulosic fibers'20036,500,947'Superabsorbent polymer'20026,300,259'Crosslinkable cellulosic fibrous product'20016,207,278'High-wet-bulk cellulosic fibers'20016,184,271'Absorbent composite containing polymaleic acid crosslinked cellulosic fibers'20015,998,511'Polymeric polycarboxylic acid crosslinked cellulosic fibers'19995,755,828'Method and composition for increasing the strength of compositions containing high-bulk fibers'19985,362,713'Drilling mud compositions'19945,350,528'Method of supporting fractures in geological formations and hydraulic fluid composition for same'19945,228,900'Agglomeration of particulate materials with reticulated cellulose'19935,207,826'Bacterial cellulose binding agent'19934,960,763'Method of using bacterial cellulose as a dietary fiber component'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2008Patents assigned to WEYERHAEUSER CO (18)· patent assignee history
1990–1994Based in Bothell, WA, US· patent location history
1998–2017Based in Auburn, WA, US· patent location history
2012–2017Patents assigned to WESTLAND JOHN A (5)· patent assignee history
2012–2013Patents assigned to O'CALLAGHAN DAVID J (3)· patent assignee history
2012–2014Patents assigned to WEYERHAEUSER NR CO (3)· patent assignee history
2014–2017Patents assigned to DODD ANDREW J (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WEYERHAEUSER CO | 18 | 1990–2008 |
| WESTLAND JOHN Aself | 5 | 2012–2017 |
| O'CALLAGHAN DAVID J | 3 | 2012–2013 |
| WEYERHAEUSER NR CO | 3 | 2012–2014 |
| DODD ANDREW J | 2 | 2014–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Auburn, Washington, US | 18 | 1998–2017 |
| Bothell, Washington, US | 5 | 1990–1994 |