Inventor
Jürgen Heuser
Inventor
Krefeld, DE
Overview
Patents· 27 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 bonds29%
B01DSeparation11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B29CShaping or joining of plastics8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
B29BPreparation or pretreatment of the material to be shaped6%
C07CAcyclic or carbocyclic compounds6%
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. inserts5%
C08JWorking-up3%
C08LCompositions of macromolecular compounds3%
PatentTitleYear
7,138,478'Process for mixing polymer melts with additives'20067,071,284'Process for the preparation of polycarbonates'20067,009,569'Vent-mountable motor-vehicle antenna'20066,930,202'Phosgene having low content of carbon tetrachloride'20056,811,294'Device and method for degassing plastics'20046,797,837'Process for the preparation of stabilized polycarbonate'20046,780,281'Strand evaporator'20046,761,828'Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2 '20046,720,406'High-purity polymer granules and method for the production thereof'20046,627,040'Device and method for removing volatile components from polymer solutions'20036,620,906'Method for the production of highly pure polycarbonate and ultrapure polycarbonate'20036,613,868'Process for producing polycarbonates'20036,551,538'Vacuole-free polymer granulates'20036,545,122'Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation'20036,534,619'Method for evaporating polymer solutions of thermoplastic polymers'20036,506,281'Method for isolating polymers from solutions'20036,485,607'Methods for removing volatile components from polymer solutions'20026,458,920'Purification of solutions containing polycarbonate'20025,275,758'Production of ultrafine suspensions of bisphenol, sodium hydroxide and water'19945,260,418'Washing of polycarbonates with cascading train of centrifuges'19935,235,026'Continuous production of polycarbonates'19935,229,486'Process for isolating polymers from their solvents using liquids containing carbon dioxide'19934,913,866'Process for reducing fogging due to plasticizers in plastics'19904,348,542'Process for the production of mixtures of alkylated aromatic hydroxy compounds'19824,319,053'Process for the preparation of 4,4\'-dihydroxy-3,3\',5,5\'-tetraalkyl-diphenylalkanes'19824,129,612'1,1,3,4,6-Pentamethyl-3-(3,5-dimethyl-4-hydroxyphenyl)-indan-5-ol polycarbonates'19784,044,058'Process for the preparation of .alpha.,.alpha.,.alpha.\',.alpha.\'-tetramethylphenylene biscarbinols'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–2006Patents assigned to BAYER AG (26)· patent assignee history
1977–2006Based in Krefeld, DE· patent location history
2004Patents assigned to BAYER ANTWERPEN NV (1)· patent assignee history
2006Patents assigned to HIRSCHMANN ELECTRONICS GMBH (1)· patent assignee history
2006Based in Neckartailfingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 26 | 1977–2006 |
| BAYER ANTWERPEN NV | 1 | 2004 |
| HIRSCHMANN ELECTRONICS GMBH | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Krefeld, DE | 26 | 1977–2006 |
| Neckartailfingen, DE | 1 | 2006 |