Inventor

Lothar Preis

Inventor

Bergisch Gladbach, DE

Overview

18→

Patents

1977–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification14%

B29CShaping or joining of plastics8%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%

C08JWorking-up8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

E02DFoundations6%

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. inserts4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

E04CStructural elements4%

E21DShafts4%

PatentTitleYear

5,262,230'Lightweight composite material with a thermoset matrix'1993 5,047,104'Profiles of composite fibrous materials'1991 4,754,001'Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs'1988 4,665,678'Lightweight constructions of increased strength and dimensional stability'1987 4,659,797'Matrix materials and a process for their preparation'1987 4,631,319'Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs'1986 4,614,684'Reinforced composite comprising resin impregnated metallized polyaramide fabric and method of making same'1986 4,592,421'Sucker rods'1986 4,585,811'Reinforcing agents for elastomers, the production of reinforced elastomers and reinforced elastomers'1986 4,526,492'Anchoring element for fibrous composite materials'1985 4,501,516'Anchoring of tension members'1985 4,481,249'Metallized carbon fibres and composite materials containing these fibres'1984 4,443,132'Anchoring of tension members'1984 4,300,321'Composite fibre material articles with inlays and a method of producing them'1981 4,273,476'Reinforcement of armored earth work constructions'1981 4,148,844'Polymerization products containing polycarbodiimides and vinyl monomers'1979 4,042,558'Filled polymerization products based on carbodiimide copolymers'1977 4,009,043'Reinforced plastics and a process for their production'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1993Patents assigned to BAYER AG (18)· patent assignee history

1977–1991Based in Cologne, DE· patent location history

1981–1993Based in Bergisch Gladbach, DE· patent location history

1984Patents assigned to STRABAG BAU AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	18	1977–1993
STRABAG BAU AG	1	1984

Locations

Location	Patents	Span
Bergisch Gladbach, DE	11	1981–1993
Cologne, DE	7	1977–1991