Inventor
William C. Finch
Inventor
Ambler, PA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
C09DCoating compositions, e.g. paints, varnishes or lacquers11%
Y10TTechnical subjects covered by former us classification11%
C09JAdhesives8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
D21HPulp compositions5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08JWorking-up4%
D04HMaking textile fabrics, e.g. from fibres or filamentary material4%
PatentTitleYear
10,899,666High solids polycarboxylate synthesis for cement superplasticizers20219,962,731Methacrylic acid polymer extended urea-formaldehyde resin composition for making fiberglass products20189,879,138'Durable thermosets from reducing sugars and primary polyamines'20189,574,079'Aqueous binder compositions of aliphatic or cycloaliphatic dicarboxaldehydes and resorcinol'20179,404,012'Article comprising a flexible material of a non-woven, the flexible material treated with polycarboxy emulsion copolymer binder compositions'20169,193,867'Aqueous amine-carbohydrate thermosets having reduced weight loss upon cure and improved early dry strength'20159,175,121'Resins of B-hydroxy propyl gamma-polyoxyalkylene ethers and polymers thereof'20158,747,953'Stable reactive thermosetting formulations of reducing sugars and amines'20148,592,518'Rapid cure thermosets from 5- and 6- membered cyclic enamine compounds made from dialdehydes'20138,309,651'Binder composition'20127,906,591'Method for making polymers'20117,766,975'Water repellant curable aqueous compositions'20107,638,579'Curable composition'20097,579,289'Water repellant curable aqueous compositions'20096,677,398'Aqueous ink binder composition'20046,673,451'Process for forming an aqueous polymeric dispersion'20046,139,961'Hollow sphere organic pigment for paper or paper coatings'20005,534,310'Method of improving adhesive of durable coatings on weathered substrates'19965,385,960'Process for controlling adsorption of polymeric latex on titanium dioxide'19954,019,576'Oil recovery from an oil-water well'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2013Patents assigned to FINCH WILLIAM C (3)· patent assignee history
1977Based in Houston, TX, US· patent location history
1995–2021Patents assigned to ROHM & HAAS (19)· patent assignee history
1995–2013Based in Blue Bell, PA, US· patent location history
2011–2021Based in Ambler, PA, US· patent location history
2013–2018Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (3)· patent assignee history
2013–2018Patents assigned to WEINSTEIN BARRY (3)· patent assignee history
2013–2014Patents assigned to RAND CHARLES JAMES (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS | 19 | 1995–2021 |
| DOW GLOBAL TECHNOLOGIES LLC | 3 | 2013–2018 |
| FINCH WILLIAM Cself | 3 | 1977–2013 |
| WEINSTEIN BARRY | 3 | 2013–2018 |
| RAND CHARLES JAMES | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ambler, Pennsylvania, US | 10 | 2011–2021 |
| Blue Bell, Pennsylvania, US | 9 | 1995–2013 |
| Houston, Texas, US | 1 | 1977 |