Inventor

Mitchell J. Willis

Inventor
Macon, GA, US

Overview

25→
Patents
1988–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Pprimary
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds24%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties22%
D21HPulp compositions13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
C10GCracking hydrocarbon oils9%
C01BNon-metallic elements6%
B03DFlotation4%
C04BLime, magnesia4%
Y10TTechnical subjects covered by former us classification4%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids3%
PatentTitleYear
10,807,076Mesoporous FCC catalysts with excellent attrition resistance20209,682,366'Method of producing FCC catalysts with reduced attrition rates'20179,403,161'Method of producing FCC catalysts with reduced attrition rates'20168,940,156'Thermochemical structuring of matrix components for FCC catalysts'20158,372,269'Heavy metals trapping co-catalyst for FCC processes'20136,696,378'Fluid catalytic cracking catalyst manufacturing process'20045,997,626'Low abrasion calcined kaolin pigments and enhanced filtration method'19995,938,833'Chemical process for fractionating mineral particles based on particle size'19995,922,207'Filter aid for clay processing'19995,749,958'Delaminated kaolin pigments their preparation and use in paper coating'19985,688,315'Colored titaniferous coating pigment obtained as a flocculated by-product in a kaolin purification process'19975,645,635'Delaminated kaolin pigments, their preparation and use in paper filling applications'19975,603,411'Method for separating mixture of finely divided minerals'19975,584,394'Colored titaniferous coating pigment obtained as a flocculated by-product in a kaolin purification process'19965,535,890'Method for separating mixture of finely divided minerals'19965,411,587'Paper coating kaolin pigments their preparation and use'19955,391,526'Situ method for producing hydrosulfite bleach and use thereof'19955,342,443'Method for bleaching kaolin clay'19945,328,506'Pigment products in an agglomerated form and use thereof in bulk shipments'19945,169,443'Paper coating kaolin pigments there preparation and use'19925,145,814'In situ method for producing hydrosulfite beach and use thereof'19925,011,534'Calcined kaolin clay filler pigment for enhancing opacity and printing properties of newsprint and mechanical papers'19914,784,758'Process for removing magnetic particles from a suspension of solids in a liquid'19884,781,298'Process for beneficiating clay at high solids'19884,738,726'Treatment of clays with cationic polymers to prepare high bulking pigments'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2004Patents assigned to ENGELHARD CORP (20)· patent assignee history
1988–1999Based in Macon, GA, US· patent location history
1999–2020Based in Bainbridge, GA, US· patent location history
2013–2020Patents assigned to BASF CORP (5)· patent assignee history
2013Patents assigned to FOLMAR KENNETH WARREN (1)· patent assignee history
2015Patents assigned to FOLMAR KENNETH (1)· patent assignee history
2015Patents assigned to WILLIS MITCHELL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENGELHARD CORP201988–2004
BASF CORP52013–2020
FOLMAR KENNETH12015
FOLMAR KENNETH WARREN12013
WILLIS MITCHELLself12015
Locations
LocationPatentsSpan
Macon, Georgia, US181988–1999
Bainbridge, Georgia, US71999–2020