Renate Hempel

USPTO Granted Patents = 15 (Patent Applications = 1)

EPO Patents = 8 (Patent Applications = 7)

Average Co-Inventor Count = 5.1

ph-index = 5

Forward Citations = 74(Granted Patents)

Location History:

Schwarzheide, DE (1997)
Ruhland, DE (1999 - 2020)

Company Filing History:

9 out of 10,754

Basf Aktiengesellschaft

Josef Meissner Gmbh & Co. Kg

patents

where one patent can have more than one assignee

Years Active: 1997-2020

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10538478 - Catalyst modification with alkali metal, alkaline earth metal or rare earth metal ions in the continuous liquid-phase hydrogenation of nitro compounds (2020-01-21),

2. 9688606 - Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid (2017-06-27),

3. 9630866 - [object Object] (2017-04-25),

4. 9428441 - Method for removing HCN from crude dinitro toluene (2016-08-30),

5. 9249083 - Process for scrubbing dinitrotoluene (2016-02-02),

6. 8529771 - Acidic sludge adsorption of DNT wastewaters (2013-09-10),

7. 6495652 - Prepolymers containing isocyanate groups and a method for the production thereof (2002-12-17),

8. 6284812 - Thermally stable rigid foams based on isocyanate and having low brittleness and low thermal conductivity (2001-09-04),

9. 6274642 - Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate (2001-08-14),

10. 6063824 - Microcellular urea-containing polyurethane elastomer (2000-05-16),

11. 6037383 - Microcellular polyurethane elastomer containing urea groups (2000-03-14),

12. 5916480 - Storage-stable emulsions for producing fine-celled rigid foams based on (1999-06-29),

13. 5895792 - Production of rigid polyurethane foams (1999-04-20),

14. 5684092 - Production of rigid foams based on isocyanate (1997-11-04),

15. 5624969 - Production of rigid foams based on isocyanate (1997-04-29),

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1 patent pending:

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8 patents (EPO):

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7 patents pending (EPO):

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