Inventor

Gunther Sachau

Inventor

Quickborn, DE

Overview

9→

Patents

1980–2004

Patent span

Human necessities

Primary field (CPC A)

Patents· 9 as inventor

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

A61Lprimary

A61LMethods or apparatus for sterilising materials or objects in general22%

A61FFilters implantable into blood vessels19%

B29CShaping or joining of plastics9%

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. inserts9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

C08LCompositions of macromolecular compounds6%

Y10TTechnical subjects covered by former us classification6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C04BLime, magnesia3%

PatentTitleYear

6,822,132'Dressing'2004 6,616,793'Production of multilayered thin plasters comprising a carrier material based on polyurethane'2003 6,191,216'Hydrophilic, self-adhesive polyurethane gel substances'2001 5,844,013'Hydrophilic polyurethane gel foams, particularly for treating deep wounds, wound dressing based on hydrophilic polyurethane gel foams and method of manufacture'1998 5,147,344'Hydrogel foams, and a process for their preparation'1992 4,996,054'Antithrombogenic, non-calcifying material and method of making articles for medical purposes'1991 4,831,065'Antithrombogenic, non-calcifying material and method of making articles for medical purposes'1989 4,778,461'Heart valve prosthesis and process for its production'1988 4,221,214'Supporting bandage'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to BIERSDORF AG (1)· patent assignee history

1980Based in Norderstedt, DE· patent location history

1988–2004Patents assigned to BEIERSDORF AG (7)· patent assignee history

1988–2004Based in Quickborn, DE· patent location history

2001Patents assigned to BAYER AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEIERSDORF AG	7	1988–2004
BAYER AG	1	2001
BIERSDORF AG	1	1980

Locations

Location	Patents	Span
Quickborn, DE	8	1988–2004
Norderstedt, DE	1	1980