Inventor

Donn A. DuBois

Inventor

Houston, TX, US

Overview

41→

Patents

1989–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 41 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 bonds25%

C08LCompositions of macromolecular compounds14%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

C09JAdhesives10%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C07CAcyclic or carbocyclic compounds4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

C10MLubricating compositions4%

A61LMethods or apparatus for sterilising materials or objects in general3%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

PatentTitleYear

10,767,033Asphalt compositions and methods of making same2020 10,647,805Highly asymmetric triblock polymer compositions and methods of making same2020 10,633,567Hot melt elastic attachment adhesive for low temperature applications2020 10,208,168Polyoxyalkyleneamine modified sulfonated block copolymers, their preparation and their use2019 9,429,366'Energy recovery ventilation sulfonated block copolymer laminate membrane'2016 9,359,523'High flow, hydrogenated styrene-butadiene-styrene block copolymers and applications'2016 8,324,309'High melt flow block copolymers for non-woven adhesives'2012 7,872,065'Adhesive compositions comprising mixtures of block copolymers'2011 7,704,676'Block copolymers having distinct isoprene and butadiene midblocks, method for making same, and uses for such block copolymers'2010 7,589,152'Adhesive formulations for novel radial (S-I/B)x polymers'2009 7,560,512'Adhesive compositions comprising mixtures of block copolymers'2009 7,307,124'Hot-melt adhesive composition for non-wovens'2007 7,241,540'Photocurable compositions and flexographic printing plates comprising the same'2007 7,012,118'Photopolymerizable compositions and flexographic plates prepared from controlled distribution block copolymers'2006 6,479,699'Process for carboxylation of naphthoic acid to naphthalene dicarboxylic acid'2002 6,452,045'Process for improving yields in a disproportionation reaction (high yield Henkel)'2002 6,448,436'Integrated process for the production of 2, 6-naphthalene dicarboxylic acid'2002 6,448,437'Disproportionation catalyst'2002 6,441,224'Process for carboxylation of naphthoic acid to naphthalene dicarboxylic acid'2002 6,420,490'Telechelic polymers are produced by ozonation degradation of diene polymers'2002 6,316,112'Fluoro-functional polyethylene-polysiloxane block copolymers'2001 5,618,903'Anionically polymerized block copolymers of ethylene and cyclic siloxane monomers'1997 5,543,458'Process for making graft block copolymers by growing anionic polymer chains from functionalized polyolefin backbones'1996 5,496,898'Star polymers of dienes, vinylarenes and alkyl methacrylates as modified viscosity index improvers'1996 5,458,796'Synthesis of polyisobutylene star-branched polymers via living carbocationic polymerization'1995 5,397,841'Grafted polymers having reactive groups at the base'1995 5,338,802'Low temperature conversion of polymerized esters'1994 5,336,726'Butadiene polymers having terminal silyl groups'1994 5,278,245'Thermoplastic elastomers'1994 5,272,211'Block copolymers of dienes, vinylarenes, and alkylmethacrylates as modified viscosity index improvers'1993 5,218,053'Polymers having stable anhydride rings'1993 5,214,082'Asphalt acrylic monomer-containing polymer composition'1993 5,194,510'Thermoplastic elastomers'1993 5,189,083'Asphalt acrylic monomer-containing block polymer composition'1993 5,098,958'Polymer and process for making the same'1992 5,073,610'Polymers of alkoxystyrenes and a process to produce polymers of alkoxystyrenes'1991 5,068,294'Process to produce polymers of styrene derivatives'1991 5,055,536'Process to prepare vinyl ether polymers'1991 5,034,466'Polymer and process for making the same'1991 5,002,676'Block copolymers'1991 4,889,900'Preparation of alkyl methacrylate monomers for anionic polymerization'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1997Patents assigned to SHELL OIL CO (20)· patent assignee history

1989–2020Based in Houston, TX, US· patent location history

2001–2020Patents assigned to KRATON POLYMERS US LLC (14)· patent assignee history

2002Patents assigned to MOSSI & GHISOLFI OVERSEAS SA (4)· patent assignee history

2012–2019Patents assigned to DUBOIS DONN (3)· patent assignee history

2020Patents assigned to KRATON POLYMERS LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHELL OIL CO	20	1989–1997
KRATON POLYMERS US LLC	14	2001–2020
MOSSI & GHISOLFI OVERSEAS SA	4	2002
DUBOIS DONNself	3	2012–2019
KRATON POLYMERS LLC	2	2020

Locations

Location	Patents	Span
Houston, Texas, US	41	1989–2020