Inventor
William W. Maslanka
Inventor
London-Britain Township, Chester County, PA, US
Overview
Patents· 40 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions38%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds24%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%
Y10TTechnical subjects covered by former us classification5%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
C23CCoating metallic material2%
D04HMaking textile fabrics, e.g. from fibres or filamentary material2%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials2%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management2%
PatentTitleYear
7,317,053'Compositions for imparting desired properties to materials'20086,908,983'Synthesis of high solids resins from amine terminated polyamides'20056,677,427'Enzyme-catalyzed polyamides and compositions and processes of preparing and using the same'20046,667,384'Methyl acrylate-diamine based polyamide resins and processes for producing the same'20036,586,520'Compositions for imparting desired properties to materials'20036,352,613'Resin compositions having high solids contents'20026,294,645'Dry-strength system'20016,245,874'Process for making repulpable wet and dry strength paper'20016,214,932'Creping adhesives obtained by the reaction of polyamide and polyvinylalcohol with epichlorohydrin'20016,103,861'Strength resins for paper and repulpable wet and dry strength paper made therewith'20005,994,449'Resin compositions for making wet and dry strength paper and their use as creping adhesives'19995,668,246'Synthesis of high solids-content wet-strength resin'19975,338,807'Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine)'19944,708,772'Paper products containing wet strength resins'19874,605,709'Wet strength resin from methylbis(aminopropyl)amine, oxalic acid ester, saturated aliphatic diester and epihalohydrin'19864,520,159'Process for producing polyaminopolyamides containing halohydrin functionality'19854,515,657'Wet Strength resins'19854,487,884'Aqueous solution of cationic thermosetting resin from N-bis(aminopropyl)methylamine/oxalic acid'19844,483,959'Organic pigments'19844,469,555'Organic pigments'19844,456,724'Organic pigments'19844,434,267'Organic pigments'19844,426,483'Organic pigments'19844,414,353'Organic pigments'19834,404,310'Organic pigments'19834,403,063'Organic pigments'19834,403,062'Organic pigments'19834,388,439'Wet-strength resin for paper and method of preparing same'19834,369,292'Organic pigments'19834,353,818'Organic pigments'19824,349,641'Organic pigments'19824,348,257'Organic pigments'19824,343,729'Organic pigments'19824,311,809'Organic pigments'19824,293,666'Organic pigments'19814,293,667'Organic pigments'19814,282,060'Organic pigments'19814,281,082'Organic pigments'19814,235,982'Organic pigments'19804,037,017'Electroconductive paper'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2008Patents assigned to HERCULES INC (39)· patent assignee history
1977–1985Based in London-Britain Township, Chester County, PA, US· patent location history
1983Based in Chester Township, PA, US· patent location history
1985–2005Based in Landenberg, PA, US· patent location history
1986–2008Based in Landenburg, PA, US· patent location history
2000Based in Chester, PA, US· patent location history
2005Patents assigned to HERCULES CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HERCULES INC | 39 | 1977–2008 |
| HERCULES CORP | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| London-Britain Township, Chester County, Pennsylvania, US | 23 | 1977–1985 |
| Landenberg, Pennsylvania, US | 12 | 1985–2005 |
| Landenburg, Pennsylvania, US | 3 | 1986–2008 |
| Chester, Pennsylvania, US | 1 | 2000 |
| Chester Township, Pennsylvania, US | 1 | 1983 |