Inventor

Edward P. Squiller

Inventor

Pittsburgh, PA, US

Overview

1991–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 43 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds41%

C09DCoating compositions, e.g. paints, varnishes or lacquers20%

C07CAcyclic or carbocyclic compounds9%

LOC148%

C07DHeterocyclic compounds4%

Y10TTechnical subjects covered by former us classification4%

B05BSpraying apparatus3%

B05CApparatus for applying fluent materials to surfaces, in general3%

C08LCompositions of macromolecular compounds3%

B05DProcesses for applying fluent materials to surfaces, in general1%

PatentTitleYear

D0929428Display screen portion with graphical user interface2021 D0928819Display screen portion with a graphical user interface2021 D0907058Display screen or portion thereof with a graphical user interface2021 D0907057Display screen or portion thereof with a graphical user interface2021 D0881209Display screen portion with a graphical user interface2020 D0868807Display screen portion with a graphical user interface2019 9,944,821Polyaspartic coating compositions2018 7,307,140'Polyaspartimides'2007 7,276,572'Process for preparing aspartates'2007 6,911,501'Process for preparing aspartates'2005 6,797,799'High 2,4-diphenylmethane diisocyanate content prepolymers'2004 6,790,925'In-situ preparation of polyaspartic ester mixtures'2004 6,774,206'Polyaspartate resins with improved flexibility'2004 6,774,207'Polyaspartate resins with good hardness and flexibility'2004 6,764,026'Process for spraying one-component compositions with air-assisted, low pressure equipment having an improved spray nozzle'2004 6,583,314'Stable isocyanate formulations'2003 6,488,991'Process for spraying one-component compositions with air-assisted, low pressure equipment having an improved spray nozzle'2002 6,482,333'Polyurea coatings from dimethyl-substituted polyaspartic ester mixtures'2002 6,458,293'Polyurea coatings from dimethyl-substituted polyaspartic ester mixtures'2002 6,433,218'Stable isocyanate formulations'2002 6,320,012'Isocyanate formulations containing activated chain extenders'2001 6,183,870'Coating compositions containing polyisocyanates and aspartate-terminated urea/urethane prepolymers'2001 6,103,849'Storage stable, heat curable polyurethane compositions'2000 5,908,948'Compounds containing urea and alkoxysilane groups'1999 5,859,163'Allophanate group-containing polyisocyanates improved compatibility with aldimines'1999 5,777,061'Blocked polyisocyanate crosslinkers for providing improved flow properties to coating compositions'1998 5,756,751'Compounds containing alkoxysilane groups and hydantoin groups'1998 5,747,629'Low surface energy polyisocyanates and their use in one-or two-component coating compositions'1998 5,691,439'Low surface energy polyisocyanates and their use in one- or two-component coating compositions'1997 5,646,227'Low surface energy polyisocyanates and their use in one- or two-component coating compositions'1997 5,576,411'Low surface energy polyisocyanates and their use in one-or two component coating compositions'1996 5,574,122'Low surface energy polyisocyanates and their use in one- or two-component coating compositions'1996 5,559,204'Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings'1996 5,541,281'Low surface energy polyisocyanates and their use in one- or two-component coating compositions'1996 5,539,006'Rigid foams with improved insulation and physical properties'1996 5,516,873'Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings'1996 5,489,704'Polyisocyanate/polyamine mixtures and their use for the production of polyurea coatings'1996 5,169,989'Foam slabstock polyether polyols with improved scorch characteristics'1992 5,154,950'Rapid curing, light stable, two-component polyurethane coating compositions'1992 5,142,014'Ambient temperature curable one-component polyurethane or polyurea compositions'1992 5,138,011'One-component polyurethane or polyurea compositions'1992 5,124,447'Ambient temperature curable one-component polyurethane or polyurea compositions'1992 5,034,435'Aqueously dispersed blends of epoxy resins and blocked urethane prepolymers'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Based in Wheeling, WV, US· patent location history

1992Patents assigned to MILES INC (5)· patent assignee history

1992–2003Based in Pittsburgh, PA, US· patent location history

1996–2004Patents assigned to BAYER AG (25)· patent assignee history

2002–2021Based in Bridgeville, PA, US· patent location history

2004Patents assigned to BAYER POLYMERS LLC (4)· patent assignee history

2004–2007Patents assigned to BAYER MATERIALSCIENCE LLC (3)· patent assignee history

2018–2021Patents assigned to COVESTRO LLC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	25	1996–2004
COVESTRO LLC	7	2018–2021
MILES INC	5	1992
BAYER POLYMERS LLC	4	2004
BAYER MATERIALSCIENCE LLC	3	2004–2007

Locations

Location	Patents	Span
Pittsburgh, Pennsylvania, US	22	1992–2003
Bridgeville, Pennsylvania, US	16	2002–2021
Wheeling, WV, US	5	1991–1992