Inventor
Reinhard H. Richter
Inventor
North Haven, CT, US
Overview
Patents· 23 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%
C07CAcyclic or carbocyclic compounds13%
C07DHeterocyclic compounds13%
B60GVehicle suspension arrangements9%
F16CShafts9%
Y10TTechnical subjects covered by former us classification9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C08LCompositions of macromolecular compounds4%
F16FSprings4%
A23KFodder2%
PatentTitleYear
8,596,900'Articulated and/or bearing unit'20137,478,802'Pivoting bearing'20096,959,935'Steering triangle'20056,863,289'Axle locating rod'20056,637,762'Axle suspension for rigid axles of vehicles'20035,318,373'Ball joint for motor vehicles'19944,705,689'Use of aqueous sodium or potassium methioninate solution for supplemental mixed fodders with methionine'19874,565,835'Diisocyanate'19864,522,762'Diisocyanate'19854,339,381'1,3-Alkylene-diazetidine-2,4-diones'19824,257,996'Process for preparing particle board and polyisocyanate-phosphorus compound release agent composition therefor'19814,257,995'Process for preparing particle board and polyisocyanate-phosphorus compound release agent composition therefor'19814,228,053'Concrete preparation with aqueous solution of product from polyether with polymethylene polyphenyl polyisocyanate'19804,217,436'Polyurethane forming compositions'19804,190,599'Amide-containing diisocyanates and preparation thereof'19804,154,931'Process for the preparation of cyclic ureas'19794,143,014'Novel compositions'19794,138,398'Bis-cyclic ureas'19794,058,563'Novel schiff bases'19774,051,166'Araliphatic diisocyanates'19774,026,943'Novel process'19774,020,104'Process for isomerizing cis,cis- and cis,trans-isomers of di-(p-aminocyclohexyl)methane to the corresponding trans,trans-isomer'19773,951,922'Process for preparing polyimides from derivatives of phthalic anhydride'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to UPJOHN CO (15)· patent assignee history
1976Based in Hamden, CT, US· patent location history
1977–1986Based in North Haven, CT, US· patent location history
1986Patents assigned to DOW CHEMICAL CO (1)· patent assignee history
1987Patents assigned to DEGUSSA (1)· patent assignee history
1987Based in Rodenbach, DE· patent location history
1994–2013Based in Bohmte, DE· patent location history
2003–2009Patents assigned to ZF LEMFOERDER METALLWAREN AG (4)· patent assignee history
2013Patents assigned to DIENER ANDRE (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UPJOHN CO | 15 | 1976–1985 |
| ZF LEMFOERDER METALLWAREN AG | 4 | 2003–2009 |
| DEGUSSA | 1 | 1987 |
| DIENER ANDRE | 1 | 2013 |
| DOW CHEMICAL CO | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Haven, CT, US | 15 | 1977–1986 |
| Bohmte, DE | 6 | 1994–2013 |
| Rodenbach, DE | 1 | 1987 |
| Hamden, CT, US | 1 | 1976 |