Inventor

Eric W. Burkhardt

Inventor

Brewster, NY, US

Overview

9→

Patents

1988–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium24%

C08JWorking-up18%

C09DCoating compositions, e.g. paints, varnishes or lacquers18%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1018%

C07CAcyclic or carbocyclic compounds12%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%

PatentTitleYear

7,759,522'Process for purification of phosphate esters'2010 6,717,005'Epoxy-stabilized polyphosphate compositions'2004 5,334,682'Epoxy functional copolymer of higher A-olefin and unsaturated dicarboxylic acid ester and derivatives thereof'1994 5,274,102'Epoxy functional copolymer of higher .alpha.-olefin and unsaturated dicarboxylic acid ester and derivatives thereof'1993 5,118,742'Blend of silicate and photocurable arylsiloxane materials'1992 5,106,658'Hardness improvement of film containing arylsiloxane and organosilicate'1992 5,089,303'Blend of solvent and photocurable arylsiloxane materials'1992 4,837,190'Organic solvent soluble polyvalent metal alkoxy alkoxides'1989 4,751,318'Method of making organic solvent soluble zinc alkoxy alkoxides'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to STAUFFER CHEMICAL CO (1)· patent assignee history

1988–2010Based in Brewster, NY, US· patent location history

1989–1992Patents assigned to AKZO AMERICA INC (2)· patent assignee history

1992–1994Patents assigned to AKZO NV (4)· patent assignee history

2004Patents assigned to AKZO NOBEL NV (1)· patent assignee history

2010Patents assigned to SUPRESTA LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AKZO NV	4	1992–1994
AKZO AMERICA INC	2	1989–1992
AKZO NOBEL NV	1	2004
STAUFFER CHEMICAL CO	1	1988
SUPRESTA LLC	1	2010

Locations

Location	Patents	Span
Brewster, New York, US	9	1988–2010