Process for hydrogenating 4,4′-methylenedianiline
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 10, 2014
filing date -
Dec 11, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a process for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA with hydrogen in the presence of a catalyst comprising ruthenium on a zirconium oxide support material, and also to the use of a catalyst comprising ruthenium on a zirconium oxide support material for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
BASF SE | 67056 LUDWIGSHAFEN AM RHEIN |
International Classification(s)

- 2014 Application Filing Year
- C07C Class
- 3318 Applications Filed
- 2843 Patents Issued To-Date
- 85.69 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bock, Martin | Ludwigshafen, DE | 36 | 227 |
# of filed Patents : 36 Total Citations : 227 | |||
Dahmen, Kirsten | Bad Duerkheim, DE | 24 | 152 |
# of filed Patents : 24 Total Citations : 152 | |||
Hettche, Frank | Weinheim, DE | 9 | 15 |
# of filed Patents : 9 Total Citations : 15 | |||
Panchenko, Alexander | Ludwigshafen, DE | 60 | 410 |
# of filed Patents : 60 Total Citations : 410 | |||
Schaack, Bernd Bastian | Bensheim, DE | 12 | 33 |
# of filed Patents : 12 Total Citations : 33 | |||
Tan, Aik Meam | Speyer, DE | 2 | 1 |
# of filed Patents : 2 Total Citations : 1 | |||
Weickgenannt, Andreas | Mannheim, DE | 8 | 4 |
# of filed Patents : 8 Total Citations : 4 | |||
Wucher, Barbara | Laudenbach, DE | 6 | 5 |
# of filed Patents : 6 Total Citations : 5 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- C07C Class
- 0 % this patent is cited more than
- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 23, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 23, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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Jul 30, 2019 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Aug 30, 2016 | I | Issuance | |
Aug 10, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 27, 2015 | P | Published | |
May 19, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DAVID, ERIC;GALVIN, MICHEL;SIGNING DATES FROM 20150217 TO 20150223;REEL/FRAME:035667/0935 Owner name: TECHNOALPIN FRANCE, FRANCE |
Sep 11, 2013 | F | Filing | |
Sep 11, 2012 | PD | Priority Date |

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