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: EP3759160

EP3759160 - POLYLACTIDE FOAMS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.04.2024
Database last updated on 30.09.2024
FormerThe patent has been granted
Status updated on  05.05.2023
FormerGrant of patent is intended
Status updated on  16.09.2022
FormerRequest for examination was made
Status updated on  09.09.2022
FormerGrant of patent is intended
Status updated on  28.04.2022
FormerRequest for examination was made
Status updated on  04.12.2020
FormerThe international publication has been made
Status updated on  07.09.2019
Most recent event   Tooltip12.04.2024No opposition filed within time limitpublished on 15.05.2024  [2024/20]
Applicant(s)For all designated states
Regents of the University of Minnesota
600 McNamara Alumni Center
200 Oak Street SE
Minneapolis, Minnesota 55455-2020 / US
[2021/01]
Inventor(s)01 / DIRLAM, Philip T.
371 E Reed St
San Jose, California 95112 / US
02 / GOLDFELD, David J.
215 St. Marys Avenue SE, Apt. 4
Minneapolis, Minnesota 55414 / US
03 / HILLMYER, Marc A.
4916 Knox Ave. S.
Minneapolis, Minnesota 55419 / US
 [2023/23]
Former [2021/01]01 / DIRLAM, Philip T.
371 E Reed St
San Jose CA 95112 / US
02 / GOLDFELD, David J.
215 St. Marys Avenue SE, Apt. 4
Minneapolis, Minnesota 55414 / US
03 / HILLMYER, Marc A.
4916 Knox Ave. S.
Minneapolis, Minnesota 55419 / US
Representative(s)Fish & Richardson P.C.
Highlight Business Towers
Mies-van-der-Rohe-Straße 8
80807 München / DE
[2021/01]
Application number, filing date19761085.027.02.2019
[2021/01]
WO2019US19779
Priority number, dateUS201862636050P27.02.2018         Original published format: US 201862636050 P
[2021/01]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2019168940
Date:06.09.2019
Language:EN
[2019/36]
Type: A2 Application without search report 
No.:EP3759160
Date:06.01.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 06.09.2019 takes the place of the publication of the European patent application.
[2021/01]
Type: B1 Patent specification 
No.:EP3759160
Date:07.06.2023
Language:EN
[2023/23]
Search report(s)International search report - published on:US07.05.2020
(Supplementary) European search report - dispatched on:EP10.09.2021
ClassificationIPC:C08J9/04, C08J9/12, C08J9/14
[2021/01]
CPC:
C08G63/08 (EP,US); C08J9/0023 (EP,US); C08J9/0066 (EP);
C08J9/122 (EP,US); C08J2203/06 (EP,US); C08J2205/05 (EP,US);
C08J2367/04 (EP,US); C08J2471/02 (EP) (-)
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 [2021/01]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:POLYLACTID-SCHAUMSTOFFE[2021/01]
English:POLYLACTIDE FOAMS[2021/01]
French:MOUSSES DE POLYLACTIDE[2021/01]
Entry into regional phase07.09.2020National basic fee paid 
07.09.2020Search fee paid 
07.09.2020Designation fee(s) paid 
07.09.2020Examination fee paid 
Examination procedure07.09.2020Examination requested  [2021/01]
05.04.2022Amendment by applicant (claims and/or description)
29.04.2022Communication of intention to grant the patent
08.09.2022Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
08.09.2022Fee for grant paid
08.09.2022Fee for publishing/printing paid
26.09.2022Communication of intention to grant the patent
25.01.2023Receipt of the translation of the claim(s)
Opposition(s)08.03.2024No opposition filed within time limit [2024/20]
Fees paidRenewal fee
07.09.2020Renewal fee patent year 03
25.02.2022Renewal fee patent year 04
27.02.2023Renewal fee patent year 05
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.
Lapses during opposition  TooltipCZ07.06.2023
HR07.06.2023
RO07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
[2024/10]
Former [2024/09]CZ07.06.2023
HR07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
Former [2024/08]HR07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
Former [2023/51]HR07.06.2023
NO07.09.2023
GR08.09.2023
Former [2023/50]NO07.09.2023
GR08.09.2023
Former [2023/48]NO07.09.2023
Documents cited:Search[Y]US5210108  (SPINU MARIA [US], et al) [Y] 1-15 * example 8; claims 1-19 *;
 [Y]US6444720  (KLESCZEWSKI BERT [DE], et al) [Y] 1-15 * column 1, lines 4-9; examples 1-3 ** column 5, lines 12-14; claims 1,7,14 *
International search[Y]US4013701  (JABS GERT, et al) [Y] 13-15 * ; column 10, lines 40-45 *;
 [Y]US5210108  (SPINU MARIA [US], et al) [Y] 1-5, 7-9, 11-15, 20-25 * ; abstract; column 3, lines 1-5, 30-40; column 10, lines 50-55; column 11, lines 1-20 *;
 [Y]US6303667  (KRUECKE WERNER [DE]) [Y] 20, 23-25 * ; abstract; column 2, lines 10-35, 45-50; column 3, lines 1-11; column 4, lines 53-58 *;
 [A]US2006265950  (CASTLEBERRY WAYNE [US]) [A] 16-18* ; abstract; paragraphs [0012], [0014]-[0015], [0035] *;
 [A]US7199082  (CHAPMAN KENT D [US], et al) [A] 16-18 * ; figures 9-10; column 12, lines 55-65; column 15, lines 60-68; column 16, lines 1-10 *;
 [Y]US9138308  (SCHWAB JUSTIN J [US], et al) [Y] 1-5, 7-9, 11-15, 21 * ; abstract; column 2, lines 45-50; column 70, lines 25-30; column 74, lines 30-50; column 82, lines 40-45; column 88, lines 10-20 *;
 [A]US9540777  (TETRAULT CHRISTOPHER [US]) [A] 6 * ; column 21, lines 50-55; column 34, lines 1-5 *;
 [A]US2017258634  (DE JUAN JR EUGENE [US], et al) [A] 6 * ; paragraph [0205] *;
 [Y]US9806338  (DAI SHENG [US], et al) [Y] 7-9, 11, 22 * ; abstract; column 8, lines 25-30; column 9, lines 15-30; column 10, lines 60-65 *;
 [Y]  - XU, LQ et al., "Foaming of Poly(lactic acid) Using Supercritical Carbon Dioxide as Foaming Agent: Influence of Crystallinity and Spherulite Size on Cell Structure and Expansion Ratio", Industrial and Engineering Chemistry Research, (20150000), vol. 53, no. 6, pages 2277 - 2286, XP055702675 [Y] 20-22 * ; abstract; page 2280, figure 2; page 2280, column 2, paragraph 1 *

DOI:   http://dx.doi.org/10.1021/ie403594t
 [Y]  - DI, Y et al., "Rheology in Processing of Polymeric Foams", Annual Transactions Of The Nordic Rheology Society, (20050000), vol. 13, pages 37 - 43, XP055702673 [Y] 2-3 * . column 2. paragraph 1 *
by applicantUS5210108
 US6444720
    - BRUTMAN et al., "Polylactide Vitrimers", ACSMacro Letters, (20140000), vol. 3, doi:10.1021/mz500269w, pages 607 - 610, XP055123182

DOI:   http://dx.doi.org/10.1021/mz500269w
    - BRUTMAN et al., "Polylactide Vitrimers", A CS Macro Letters, (20140000), vol. 3, doi:10.1021/mz500269w, pages 607 - 610, XP055123182

DOI:   http://dx.doi.org/10.1021/mz500269w
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.