blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4136191

EP4136191 - ENHANCED SEPARATION OF SOLVOLYSIS COPRODUCT STREAMS FOR CHEMICAL RECYCLING [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  20.01.2023
Database last updated on 02.11.2024
FormerThe international publication has been made
Status updated on  22.10.2021
Formerunknown
Status updated on  12.05.2021
Most recent event   Tooltip18.03.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
Eastman Chemical Company
200 South Wilcox Drive
Kingsport, TN 37660 / US
[2023/08]
Inventor(s)01 / DEBRUIN, Bruce, Roger
43 Amesbury Court Gray
Johnson City, TN 37615 / US
02 / EKART, Michael, Paul
1025 Hanover Ct
Kingsport, TN 37660 / US
03 / WU, Xianchun
3803 Clarkway PL
Longview, TX 75605 / US
04 / SLIVENSKY, David, Eugene
SB-15 Lake Cherokee
Tatum, TX 75691 / US
05 / BITTING, Daryl
1108 Stillmeadow Lane
Longview, TX 75604 / US
06 / JACKSON, Anne-Martine, Sherbeck
2209 Charsley Road
Kingsport, TN 37660 / US
07 / WEST, Nathan, Mitchell
1912 Ashfield Dr
Kingsport, TN 37664 / US
08 / LIU, Zhufang
1036 Forrerst Ridge Drive
Kingsport, TN 37660 / US
 [2023/08]
Representative(s)Ricker, Mathias
Wallinger Ricker Schlotter Tostmann
Patent- und Rechtsanwälte Partnerschaft mbB
Zweibrückenstraße 5-7
80331 München / DE
[N/P]
Former [2023/08]Ricker, Mathias
Wallinger Ricker Schlotter Tostmann
Patent- und Rechtsanwälte Partnerschaft mbB
Zweibrückenstrasse 5-7
80331 München / DE
Application number, filing date21723528.213.04.2021
[2023/08]
WO2021US27012
Priority number, dateUS202063008934P13.04.2020         Original published format: US 202063008934 P
[2023/08]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021211531
Date:21.10.2021
Language:EN
[2021/42]
Type: A1 Application with search report 
No.:EP4136191
Date:22.02.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 21.10.2021 takes the place of the publication of the European patent application.
[2023/08]
Search report(s)International search report - published on:EP21.10.2021
ClassificationIPC:C10G1/00, C08J11/10, C10G1/08, C10G1/10
[2023/08]
CPC:
C10G1/002 (EP,KR); C10G1/10 (EP,KR); C08J11/08 (EP,KR,US);
B01J4/001 (US); C07C29/147 (US); C07C51/38 (US);
C10G1/086 (EP,KR); C08J2367/02 (EP,KR,US); C10G2300/1003 (EP,KR);
C10G2300/44 (EP,KR); Y02W30/62 (EP,KR) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2023/08]
TitleGerman:VERBESSERTE TRENNUNG VON SOLVOLYSE-COPRODUKTSTRÖMEN ZUR CHEMISCHEN WIEDERVERWERTUNG[2023/08]
English:ENHANCED SEPARATION OF SOLVOLYSIS COPRODUCT STREAMS FOR CHEMICAL RECYCLING[2023/08]
French:SÉPARATION AMÉLIORÉE DE FLUX DE COPRODUITS DE SOLVOLYSE POUR RECYCLAGE CHIMIQUE[2023/08]
Entry into regional phase30.09.2022National basic fee paid 
30.09.2022Designation fee(s) paid 
30.09.2022Examination fee paid 
Examination procedure30.09.2022Examination requested  [2023/08]
30.09.2022Date on which the examining division has become responsible
30.05.2023Amendment by applicant (claims and/or description)
Fees paidRenewal fee
21.03.2023Renewal fee patent year 03
18.03.2024Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational search[A]WO2012110990  (COOPERATIVA AUTOTRASPORTATORI FIORENTINI C A F SOCIETA COOPERATIVA A R L [IT], et al) [A] 14* claim - *;
 [A]US2013041053  (PECORINI THOMAS JOSEPH [US], et al) [A] 1-20 * the whole document *;
 [I]  - JAMES SHERWOOD, "Closed-Loop Recycling of Polymers Using Solvents : Remaking plastics for a circular economy", JOHNSON MATTHEY TECHNOLOGY REVIEW, (20200101), vol. 64, no. 1, doi:10.1595/205651319X15574756736831, ISSN 2056-5135, pages 4 - 15, XP055745186 [I] 1-20 * the whole document *

DOI:   http://dx.doi.org/10.1595/205651319X15574756736831
 [A]  - CHOI SAMUEL ET AL, "Eco-friendly, Expeditious Depolymerization of PET in the Blend Fabrics by Using a Bio-based Deep Eutectic Solvent under Microwave Irradiation for Composition Identification", FIBERS AND POLYMERS, SPRINGER NETHERLANDS, NL, vol. 20, no. 4, doi:10.1007/S12221-019-8931-Y, ISSN 1229-9197, (20190506), pages 752 - 759, (20190506), XP036776085 [A] 1-20 * the whole document *

DOI:   http://dx.doi.org/10.1007/s12221-019-8931-y
by applicantUS3544291
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.