Inventor

Werner A. Lidy

Inventor

Collonge-Bellerive, CH

Overview

20→

Patents

1981–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 20 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 bonds31%

C08JWorking-up15%

B29CShaping or joining of plastics8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

C08LCompositions of macromolecular compounds5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

A47CChairs3%

B01DSeparation3%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

PatentTitleYear

6,613,827'Dispersion of a preformed polymer in a polyol'2003 5,360,831'Preparation of foam-in-fabric articles'1994 5,286,759'Foaming system for rigid urethane and isocyanurate foams'1994 5,273,695'Process for preparing multihardness foam articles'1993 5,155,142'Process for preparing polyurea or polyurethane/urea foams'1992 5,153,233'Stabilization of melamine and/or urea dispersions in polyols and polymer polyols'1992 5,118,721'Dispersion polymer polyols'1992 5,114,989'Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom'1992 4,965,029'Process for preparing polyurethane foams having zones of differing hardness'1990 4,912,260'Process for the production of amines'1990 4,883,832'Preparation of polymer polyols'1989 4,871,783'Modified polyols and their use in the manufacture of polymer polyols'1989 4,843,106'Modified polymer polyols'1989 4,831,076'Preparation of polymer polyols'1989 4,785,027'Process for preparing polyurethane foams in the presence of a polyether acid'1988 4,764,541'Process for preparing polyurethane foams in the presence of a polyether acid'1988 4,723,026'Preparation of polymer polyols'1988 4,596,653'Demulsifying process'1986 4,571,413'Phenolic resin composition'1986 4,267,078'Process for easily degrading waste consisting of the reaction products of organic compounds containing isocyanate groups with alcohols and/or water'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Based in Essen, DE· patent location history

1986Patents assigned to BRITISH PETROLEUM CO PLC (2)· patent assignee history

1986–1990Based in Geneva, CH· patent location history

1988–1992Patents assigned to BP CHEM INT LTD (9)· patent assignee history

1988–1992Based in Collonge-Bellerive, CH· patent location history

1990–1994Patents assigned to POLYOL INT BV (3)· patent assignee history

1992–1994Patents assigned to DOW CHEMICAL CO (3)· patent assignee history

1992–1994Based in Terneuzen, NL· patent location history

2003Patents assigned to DOW GLOBAL TECHNOLOGIES INC (1)· patent assignee history

2003Based in Shriesheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BP CHEM INT LTD	9	1988–1992
DOW CHEMICAL CO	3	1992–1994
POLYOL INT BV	3	1990–1994
BRITISH PETROLEUM CO PLC	2	1986
DOW GLOBAL TECHNOLOGIES INC	1	2003

Locations

Location	Patents	Span
Collonge-Bellerive, CH	7	1988–1992
Geneva, CH	6	1986–1990
Terneuzen, NL	5	1992–1994
Shriesheim, DE	1	2003
Essen, DE	1	1981