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Extract from the Register of European Patents

EP About this file: EP3972660

EP3972660 - METHODS FOR IMPROVING THE TISSUE SEALING PROPERTIES OF HYDROGELS AND THE USE THEREOF [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  25.02.2022
Database last updated on 19.10.2024
FormerThe international publication has been made
Status updated on  27.11.2020
Most recent event   Tooltip28.05.2024New entry: Renewal fee paid 
Applicant(s)For all designated states
The Regents of the University of California
1111 Franklin Street
Twelfth Floor
Oakland, CA 94607-5200 / US
[2022/13]
Inventor(s)01 / SHEIKHI, Amir
3101 Shellers Bend
State College, Pennsylvania 16801 / US
02 / ANNABI, Nasim
1509 Veteran Avenue
Los Angeles, California 90024 / US
03 / KHADEMHOSSEINI, Alireza
11326 Isleta Street
Los Angeles, California 90049 / US
 [2022/13]
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2022/13]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Application number, filing date20809004.320.05.2020
[2022/13]
WO2020US33775
Priority number, dateUS201962850368P20.05.2019         Original published format: US 201962850368 P
[2022/13]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020236917
Date:26.11.2020
Language:EN
[2020/48]
Type: A1 Application with search report 
No.:EP3972660
Date:30.03.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 26.11.2020 takes the place of the publication of the European patent application.
[2022/13]
Search report(s)International search report - published on:US26.11.2020
(Supplementary) European search report - dispatched on:EP21.12.2022
ClassificationIPC:A61L27/52, A61L27/18, A61L27/20, A61L27/22, C07K14/78, A61L24/00
[2023/03]
CPC:
A61L24/0031 (EP,US); A61L24/043 (US); A61L24/0015 (US);
A61L24/0042 (US); A61L24/0047 (EP); C07K14/78 (EP)
C-Set:
A61L24/0047, C08L71/02 (EP);
A61L24/0047, C08L89/06 (EP)
Former IPC [2022/13]A61L27/52, A61L27/18, A61L27/20, A61L27/22, C07K14/78
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 [2022/13]
TitleGerman:VERFAHREN ZUR VERBESSERUNG DER GEWEBEVERSIEGELUNGSEIGENSCHAFTEN VON HYDROGELEN UND DEREN VERWENDUNG[2022/13]
English:METHODS FOR IMPROVING THE TISSUE SEALING PROPERTIES OF HYDROGELS AND THE USE THEREOF[2022/13]
French:PROCÉDÉS D'AMÉLIORATION DES PROPRIÉTÉS DE SCELLEMENT TISSULAIRE D'HYDROGELS ET LEUR UTILISATION[2022/13]
Entry into regional phase19.11.2021National basic fee paid 
19.11.2021Search fee paid 
19.11.2021Designation fee(s) paid 
19.11.2021Examination fee paid 
Examination procedure19.11.2021Examination requested  [2022/13]
22.06.2023Amendment by applicant (claims and/or description)
Fees paidRenewal fee
27.05.2022Renewal fee patent year 03
30.05.2023Renewal fee patent year 04
28.05.2024Renewal fee patent year 05
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XI]  - LI CAILONG ET AL, "Novel visible-light-induced photocurable tissue adhesive composed of multiply styrene-derivatized gelatin and poly(ethylene glycol) diacrylate", JOURNAL OF BIOMEDICAL MATERIALS RESEARCH, WILEY, NEW YORK, NY, US, (20030101), vol. 66B, no. 1, doi:10.1002/JBM.B.10025, ISSN 0021-9304, page 439, XP002414697 [X] 1-3,6-10,13 * abstract * * page 440, column 2 - page 441 * [I] 4,5,11,12,15

DOI:   http://dx.doi.org/10.1002/jbm.b.10025
 [X]  - YIHU WANG ET AL, "Development of a Photo-Crosslinking, Biodegradable GelMA/PEGDA Hydrogel for Guided Bone Regeneration Materials", MATERIALS, (20180101), vol. 11, no. 1345, doi:10.3390/ma11081345, pages 1 - 12, XP055761719 [X] 1-3,6-10,13,14 * abstract * * page 3, paragraph 2.3 * * page 8, paragraph 3.6 *

DOI:   http://dx.doi.org/10.3390/ma11081345
 [X]  - CHE B. HUTSON ET AL, "Synthesis and Characterization of Tunable Poly(Ethylene Glycol): Gelatin Methacrylate Composite Hydrogels", TISSUE ENGINEERING PART A, US, (20110701), vol. 17, no. 13-14, doi:10.1089/ten.tea.2010.0666, ISSN 1937-3341, pages 1713 - 1723, XP055310757 [X] 1-3,6-10,13,14 * abstract * * paragraph "Hydogel Preparation"; page 1714 *

DOI:   http://dx.doi.org/10.1089/ten.tea.2010.0666
International search[A]US2009130755  (DETAMORE MICHAEL [US], et al) [A] 1-20* ; see entire document *;
 [Y]WO2017139318  (BRIGHAM & WOMENS HOSPITAL INC [US], et al) [Y] 16-20 * ; para [0008], [0010], [0073], [0086], [00100]-[00101], [00108], [00128]-[00129]; Figs. 14B and 15B *;
 [A]US2018362693  (ANNABI NASIM [US], et al) [A] 1-20 * ; see entire document *;
 [XY]  - WANG Z. et al., "A simple and high-resolution stereolithography-hased 3D hinprinting system using visible light crosslinkable bioinks", Biofabrication, (20150000), vol. 7, no. 4, doi:10.1088/1758-5090/7/4/045009, pages 1 - 10, XP055592114 [X] 1-15 * see entire document, especially, pg 2-6 * [Y] 16-20

DOI:   http://dx.doi.org/10.1088/1758-5090/7/4/045009
 [A]  - Wang Yihu, Ma Ming, Wang Jianing, Zhang Weijie, Lu Weipeng, Gao Yunhua, Zhang Bing, Guo Yanchuan, "Development of a Photo-Crosslinking, Biodegradable GeIMA/PEGDA Hydrogel for Guided Bone Regeneration Materials", Materials, (20180000), vol. 11, no. 1345, doi:10.3390/ma11081345, pages 1 - 12, XP055761719 [A] 1-20 * see entire document *

DOI:   http://dx.doi.org/10.3390/ma11081345
 [A]  - HUTSON C. B. et al., "Synthesis and Characterization of Tunable Poly(ethylene Glycol): Gelatin Methacrylate Composite Hydrogels", Tissue Engineering: Part A, (20110000), vol. 17, no. issue 13-14, doi:10.1089/ten.TEA.2010.0666, pages 1713 - 1723, XP055310757 [A] 1-20 * see entire document *

DOI:   http://dx.doi.org/10.1089/ten.tea.2010.0666
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