Elimination of contaminants in wet natural rubber
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United States of America Patent
Stats
-
Mar 12, 2019
Grant Date -
May 17, 2018
app pub date -
Apr 8, 2016
filing date -
Apr 10, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for preparation of decontaminated natural rubber is provided. The method is characterized in that it comprises a decontamination step in which wet natural rubber coagulum passes through a system comprising an extruder and a filter installed at the extruder outlet, the extruder comprising an axially symmetrical grooved sheath comprising in its thickness grooves opening on the inner surface of the sheath.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
FR | B1 | FR3034703 | Apr 10, 2015 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT OF INVENTION (SECOND PUBLICATION) | ELIMINATION DE CONTAMINANTS DANS LE CAOUTCHOUC NATUREL HUMIDE | Mar 24, 2017 | |||
WO | A2 | WO2016162645 | Apr 08, 2016 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITHOUT INTERNATIONAL SEARCH REPORT or INTERNATIONAL APPLICATION PUBLISHED WITH DECLARATION UNDER ARTICLE 17 (2) (A) | PROCÉDÉ ET SYSTÈME DE PRÉPARATION DE CAOUTCHOUC NATUREL DÉCONTAMINÉ | Oct 13, 2016 | |||
CN | B | CN107592833 | Apr 08, 2016 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | For producing the method and apparatus for removing deimpurity natural rubber | Oct 22, 2019 | |||
EP | B1 | EP3280581 | Apr 08, 2016 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | PROCÉDÉ ET SYSTÈME DE PRÉPARATION DE CAOUTCHOUC NATUREL DÉCONTAMINÉ | Jun 22, 2022 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN | 23 PLACE DES CARMES-DECHAUX CLERMONT-FERRAND 63000 |
International Classification(s)

- 2016 Application Filing Year
- C08G Class
- 2968 Applications Filed
- 2200 Patents Issued To-Date
- 74.13 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Dussillols, Jérôme | Clermont Ferrand, FR | 4 | 4 |
# of filed Patents : 4 Total Citations : 4 | |||
Merceron, Jean-Luc | Mozac, FR | 2 | 4 |
# of filed Patents : 2 Total Citations : 4 |
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- 0 Citation Count
- C08G Class
- 0 % this patent is cited more than
- 6 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 12, 2026 |
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