Inventor
Earl P. Williams
Inventor
Pen Argyl, PA, US
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A01NPreservation of bodies of humans or animals or plants or parts thereof9%
C02FTreatment of water, waste water, sewage, or sludge9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08JWorking-up6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
Y10TTechnical subjects covered by former us classification6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
4,514,271'Stable dispersion of alkylated polyvinylpyrrolidone and vinyl pyrrolidone'19854,448,876'Electron beam sensitive resist'19844,448,905'Alcohol substituted amides as chain extenders for polyurethanes'19844,396,734'Polymer stabilizers'19834,387,186'Water swellable polymers'19834,375,398'Electron beam sensitive resist of an anhydride copolymer'19834,366,294'Water swellable compositions'19824,190,718'Process for increasing molecular weight of vinylpyrrolidone polymer'19804,128,633'Process for preparing PVP-iodine complex'19784,058,462'System for sustained release of phenolic material from porous granules of insoluble polymeric phenolic complexes'19774,057,533'Process for preparation of quaternized cationic vinyllactam-acrylamide copolymers'19774,014,754'Recovery of lactam solvent from vinyl polymer solution'19773,985,540'Metal complexes of hydroxyquinoline and polymeric porous granules'19763,970,606'N-vinyl lactam interpolymers useful as thickening agents'19763,963,688'Method of emulsion polymerization using phosphate esters of normal alkanols as surfactant'19763,954,682'Insoluble porous polymeric-phenolic complexes'19763,951,792'Flocculation of suspended solids'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to GAF CORP (17)· patent assignee history
1976–1985Based in Pen Argyl, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GAF CORP | 17 | 1976–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pen Argyl, Pennsylvania, US | 17 | 1976–1985 |