Inventor · disambiguated record
William Alexander
Also filed as: ALEXANDER WILLIAM · ALEXANDER WILLIAM R · ALEXANDER WILLIAM ROGERS HENRY
34 granted patents·1,674 citations·filing 1966–1998
98Inventor score
Files withAMERICAN COLLOID CO29ALEXANDER WILLIAM R1MARATHON ASHLAND PETROLEUM LLC1MILLHAVEN FIBERS LTD1MILLHAVEN FIBRES LTD1
Top patents by PatentIndex Score
34 records- 0198US4836940AComposition and method of controlling lost circulation from wellboresAMERICAN COLLOID CO·Filed 1987·Granted Jun 6, 1989·267 cites·6 claims
- 0297US4985518AProcess for preparing water-absorbing resinsAMERICAN COLLOID CO·Filed 1989·Granted Jan 15, 1991·215 cites·29 claims
- 0396US4824901ASurface treated absorbent polymersAMERICAN COLLOID CO·Filed 1988·Granted Apr 25, 1989·167 cites·32 claims
- 0494US3936087ACollection receptacleALEXANDER WILLIAM R·Filed 1974·Granted Feb 3, 1976·75 cites·6 claims
- 0593US4755562ASurface treated absorbent polymersAMERICAN COLLOID CO·Filed 1986·Granted Jul 5, 1988·80 cites·33 claims
- 0692US4613542AMethod of impregnating a water-penetrable article with a swell-inhibited water swellable clay slurryAMERICAN COLLOID CO·Filed 1985·Granted Sep 23, 1986·62 cites·22 claims
- 0790US5034045ALiquid crop stimulantAMERICAN COLLOID CO·Filed 1990·Granted Jul 23, 1991·66 cites·22 claims
- 0889US4886550AFlexible grout composition and methodAMERICAN COLLOID CO·Filed 1988·Granted Dec 12, 1989·55 cites·18 claims
- 0989US4624982AMethod of temporarily inhibiting the swellability of water swellable clays and compositionsAMERICAN COLLOID CO·Filed 1985·Granted Nov 25, 1986·49 cites·17 claims
- 1088US4514510AHydrogen enriched water swellable clay having reduced acid demand and stable at low pHAMERICAN COLLOID CO·Filed 1983·Granted Apr 30, 1985·61 cites·19 claims
- 1187US4378299ACable lubricating composition and methodAMERICAN COLLOID CO·Filed 1982·Granted Mar 29, 1983·33 cites·17 claims
- 1286US5026416ALiquid crop stimulantAMERICAN COLLOID CO·Filed 1987·Granted Jun 25, 1991·60 cites·34 claims
- 1386US4820773AWater absorbent resins prepared by polymerization in the presence of styrene-maleic anhydride copolymersAMERICAN COLLOID CO·Filed 1987·Granted Apr 11, 1989·39 cites·41 claims
- 1483US4677174AWater absorbent styrene-acrylic acid copolymersAMERICAN COLLOID CO·Filed 1986·Granted Jun 30, 1987·43 cites·16 claims
- 1581US4016142AProcess for the control of carboxyl end groups in fiber-forming polyestersMILLHAVEN FIBERS LTD·Filed 1966·Granted Apr 5, 1977·31 cites·2 claims
- 1680US5112665AWater barrier of water-swellable clay sandwiched between interconnected layers of flexible fabricAMERICAN COLLOID CO·Filed 1991·Granted May 12, 1992·41 cites·4 claims
- 1779US4634538AWater swellable clay composition and method to maintain stability in salt contaminated waterAMERICAN COLLOID CO·Filed 1985·Granted Jan 6, 1987·34 cites·4 claims
- 1878US4462470AExtrusion of bentonite clay for fluid loss reduction in drilling fluidsAMERICAN COLLOID CO·Filed 1983·Granted Jul 31, 1984·39 cites·16 claims
- 1977US6293203B1Firearms and ammunitionFiled 1998·Granted Sep 25, 2001·50 cites·29 claims
- 2076US5053265AMoisture-imprevious panel capable of delayed hydrationAMERICAN COLLOID CO·Filed 1990·Granted Oct 1, 1991·35 cites·10 claims
- 2174US4709767AProduction process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additivesAMERICAN COLLOID CO·Filed 1986·Granted Dec 1, 1987·35 cites·11 claims
- 2267US5132021AIn situ treatment of waste water to prevent ground water contaminationAMERICAN COLLOID CO·Filed 1991·Granted Jul 21, 1992·31 cites·7 claims
- 2364US4794140AProduction process for manufacturing low molecular weight water soluble acrylic polymers as drilling fluid additivesAMERICAN COLLOID CO·Filed 1987·Granted Dec 27, 1988·18 cites·15 claims
- 2455US4820742AMethod for continuous manufacture of solid water absorbing resinAMERICAN COLLOID CO·Filed 1986·Granted Apr 11, 1989·11 cites·6 claims
- 2554US4919818AProcess for extruding and treating clay for improved filtrationAMERICAN COLLOID CO·Filed 1989·Granted Apr 24, 1990·13 cites·15 claims
- 2651US4935034AMasonry cement composition and masonry constructionAMERICAN COLLOID CO·Filed 1989·Granted Jun 19, 1990·10 cites·15 claims
- 2744US4832793AProcess for extruding and acid treating clay for improved color development in carbonless copy paperAMERICAN COLLOID CO·Filed 1988·Granted May 23, 1989·8 cites·16 claims
- 2842US5180255AMoisture-impervious panel capable of delayed hydrationAMERICAN COLLOID CO·Filed 1991·Granted Jan 19, 1993·14 cites·10 claims
- 2941US4944634AAnti-friction composition containing MgO and methodAMERICAN COLLOID CO·Filed 1985·Granted Jul 31, 1990·11 cites·16 claims
- 3039US4847226AProcess for extruding and acid treating clay for improved filtrationAMERICAN COLLOID CO·Filed 1987·Granted Jul 11, 1989·6 cites·15 claims
- 3136US6035705AMethod for characterization of fuelsMARATHON ASHLAND PETROLEUM LLC·Filed 1998·Granted Mar 14, 2000·4 cites·23 claims
- 3233US4122063ATreating polyethylene terephthalate with 1,2-epoxy-3-phenoxypropane and triphenylphosphiteMILLHAVEN FIBRES LTD·Filed 1970·Granted Oct 24, 1978·4 cites·1 claims
- 3332US4778608AHigh temperature drilling mud compositionAMERICAN COLLOID CO·Filed 1986·Granted Oct 18, 1988·2 cites·14 claims
- 3431US4990028AAnti-friction composition containing MgO and methodAMERICAN COLLOID CO·Filed 1988·Granted Feb 5, 1991·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →