Inventor
Karl J. Kraft
Inventor
Leverkusen, DE
Overview
Patents· 8 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 bonds24%
B29CShaping or joining of plastics18%
B29LIndexing scheme associated with subclass b29c, relating to particular articles18%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C08LCompositions of macromolecular compounds12%
C07HSugars6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
4,727,095'Rigid foams deformable by heat and processes for their preparation and use'19884,405,752'Process for producing fiber-reinforced molded products'19834,270,889'Equipment for the continuous production of foam boards'19814,264,291'Equipment for the continuous production of foam boards'19814,255,105'Equipment for the continuous production of foam boards'19814,251,428'Thermosetting molding compositions containing polyurethane and a fibrous material, and a process for the production of moldings'19813,969,262'Process for the production of synthetic plastics comprising urethane groups and biuret groups'19763,941,769'Process for the preparation of saccharose-hydroxy alkyl ethers'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1988Patents assigned to BAYER AG (8)· patent assignee history
1976Based in Coraopolis, PA, US· patent location history
1976Based in Cora Opolis, PA, US· patent location history
1981–1988Based in Leverkusen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 8 | 1976–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leverkusen, DE | 6 | 1981–1988 |
| Coraopolis, Pennsylvania, US | 1 | 1976 |
| Cora Opolis, Pennsylvania, US | 1 | 1976 |