Ion Exchange Membrane Chromatography - EP2794635

The patent EP2794635 was granted to F Hoffmann LA Roche on Nov 14, 2018. The application was originally filed on Dec 18, 2012 under application number EP12806322A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2794635

F HOFFMANN LA ROCHE
Application Number
EP12806322A
Filing Date
Dec 18, 2012
Status
Opposition Rejected
Oct 22, 2021
Grant Date
Nov 14, 2018
External Links
Slate, Register, Google Patents

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BAYERJun 12, 2019BIP PATENTS -

Patent Citations (62) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONWO1998US13410-
DESCRIPTIONDD266710
DESCRIPTIONEP0183070
DESCRIPTIONEP0244234
DESCRIPTIONEP0402226
DESCRIPTIONEP0404097
DESCRIPTIONEP0420937
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DESCRIPTIONUS2004093621
DESCRIPTIONUS2004167319
DESCRIPTIONUS2005025764
DESCRIPTIONUS2005069545
DESCRIPTIONUS3773919
DESCRIPTIONUS4515893
DESCRIPTIONUS4560655
DESCRIPTIONUS4657866
DESCRIPTIONUS4767704
DESCRIPTIONUS4816567
DESCRIPTIONUS4927762
DESCRIPTIONUS5091178
DESCRIPTIONUS5091313
DESCRIPTIONUS5122469
DESCRIPTIONUS5534615
DESCRIPTIONUS5595721
DESCRIPTIONUS5622700
DESCRIPTIONUS5677180
DESCRIPTIONUS5693762
DESCRIPTIONUS5714338
DESCRIPTIONUS5725856
DESCRIPTIONUS5736137
DESCRIPTIONUSRE30985E
DESCRIPTIONWO0100245
DESCRIPTIONWO0140309
DESCRIPTIONWO0224909
DESCRIPTIONWO03002607
DESCRIPTIONWO03033658
DESCRIPTIONWO2004035607
DESCRIPTIONWO2004056312
DESCRIPTIONWO2004103404
DESCRIPTIONWO2005000901
DESCRIPTIONWO2005014618
DESCRIPTIONWO2005016969
DESCRIPTIONWO8700195
DESCRIPTIONWO9003430
DESCRIPTIONWO9304173
DESCRIPTIONWO9311161
DESCRIPTIONWO9316185
DESCRIPTIONWO9519181
DESCRIPTIONWO9523865
DESCRIPTIONWO9630046
DESCRIPTIONWO9640210
DESCRIPTIONWO9726912
DESCRIPTIONWO9806248
DESCRIPTIONWO9823761
DESCRIPTIONWO9845331
DESCRIPTIONWO9851793
INTERNATIONAL-SEARCH-REPORTWO2009135656
INTERNATIONAL-SEARCH-REPORTWO2010019148
INTERNATIONAL-SEARCH-REPORTWO9727757
OPPOSITIONEP2321337
OPPOSITIONEP2575847
OPPOSITIONWO2009135656

Non-Patent Literature (NPL) Citations (10) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Displacement Chromatography", Wikipedia, (20110805), URL: https://en.wikipedia.org/w/index.php?title=Displ acement_chromatography&oldid=443253736, XP055613286-
OPPOSITION- Anonymous, "Ion Exchange Chromatography Selection Guide", PALL CORPORATION, (20051125), XP055613285-
OPPOSITION- Anonymous, "MustangĀ® Q XT Chromatography Capsules. High Throughput, Scalable, and Reusable Ion Exchange Membrane Chromatography", PALL Life Sciences Product Leaflet, (20090000), pages 1 - 12, XP002713485-
OPPOSITION- "Chapter 5 - Multi-step purification strategies", Antibody Purification Handbook, Amersham Biosciences, (20020000), pages 55 - 58, XP055614981-
OPPOSITION- FRITZ J.S. et al., Ion Chromatography, Fourth Edition, Wiley-VCH Verlag GmbH & Co. KGaA, (20090000), page 32-33, 43, 325, ISBN 978-3-527-32052-3, XP055614991-
OPPOSITION- HOLZER M. et al., "Multicolumn Chromatography A New Approach to Relieving Capacity Bottlenecks for Downstream Processing Efficiency", BioProcess International, (20080900), pages 74 - 81, XP055614994-
OPPOSITION- Jim L. Davies, Martin P. Smith, "Chapter 6 : Membrane Applications in Monoclonal antibody Production", Jim L. Davies, Martin P. Smith, CUI Z.F. et al., Membrane Technology: A Practical Guide to Membrane Technology and Applications in Food and Bioprocessing, Elsevier, (20100000), pages 79 - 85, ISBN 978-1-85617-632-3, XP055614986-
OPPOSITION- KNUDSEN H. L. et al., "Membrane ion- exchange chromatography for process-scale antibody purification", Journal of Chromatography A, (20010000), vol. 907, pages 145 - 54, XP004228067
OPPOSITION- BROWN A. et al., "Overloading ion-exchange EPC membranes as a purification step for monoclonal antibodies", Biotechnol. Appl. Biochem., (20100519), vol. 56, no. 2, pages 59 - 70, XP055137278
OPPOSITION- LIU H. et al., "Exploration of overloaded cation exchange chromatography for monoclonal antibody purification", J. Chromatogr. A, (20110812), vol. 1218, no. 39, pages 6943 - 6952, XP002668917

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