Inventor · disambiguated record
William J. Parr
Also filed as: PARR WILLIAM · PARR WILLIAM J · PARR WILLIAM J E · PARR WILLIAM JOHN ERNEST
16 granted patents·333 citations·filing 1987–2013
94Inventor score
Top patents by PatentIndex Score
16 records- 0193US5378508ALaser direct writingAKZO NOBEL NV·Filed 1992·Granted Jan 3, 1995·157 cites·14 claims
- 0292US4801625ABicyclic phosphate ether, ester, and carbonate intumescent flame retardant compositionsAKZO AMERICA INC·Filed 1987·Granted Jan 31, 1989·42 cites·41 claims
- 0367US5885932AActivity promoting additives for rest-breaking agentsAKZO NOBEL NV·Filed 1995·Granted Mar 23, 1999·18 cites·11 claims
- 0465US6172117B1Biocidal preservativesAKZO NOBEL NV·Filed 1998·Granted Jan 9, 2001·13 cites·9 claims
- 0563US5059485AConductive metallization of substances without developing agentsAKZO AMERICA INC·Filed 1989·Granted Oct 22, 1991·21 cites·24 claims
- 0655US4997674AConductive metallization of substrates via developing agentsAKZO AMERICA INC·Filed 1988·Granted Mar 5, 1991·17 cites·36 claims
- 0754US8833450B2Nitrogen containing compounds as corrosion inhibitorsAKZO NOBEL NV·Filed 2013·Granted Sep 16, 2014·0 cites·6 claims
- 0853US4983320ADialkyl dicarbonates as blowing agents for polymersAKZO NV·Filed 1989·Granted Jan 8, 1991·13 cites·5 claims
- 0948US5173519AConductive metal-filled composites via developing agentsAKZO NV·Filed 1989·Granted Dec 22, 1992·6 cites·12 claims
- 1048US5086083ADialkyl dicarbonates as blowing agents for polymersAKZO NV·Filed 1991·Granted Feb 4, 1992·10 cites·29 claims
- 1146US5049332AMethod of making conductive metal-filled substrates without developing agentsAKZO NV·Filed 1990·Granted Sep 17, 1991·15 cites·6 claims
- 1241US5252255AConductive metal-filled substrates via developing agentsAKZO AMERICA INC·Filed 1990·Granted Oct 12, 1993·9 cites·20 claims
- 1341US4961879AConductive metal-filled substrates via developing agentsAKZO AMERICA INC·Filed 1988·Granted Oct 9, 1990·5 cites·30 claims
- 1437US4798860AFlame resistant organic substances containing polymeric flame retardantsAKZO AMERICA INC·Filed 1987·Granted Jan 17, 1989·4 cites·13 claims
- 1532US5030664ADialkyl dicarbonates as blowing agents for polymersAKZO NV·Filed 1990·Granted Jul 9, 1991·3 cites·12 claims
- 1629US4797441ADichloro (acetic or propionic) acid aryl ester flame retardantsAKZO NV·Filed 1987·Granted Jan 10, 1989·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →