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Process For The Continuous Preparation Of Water-Absorbent Polymers - EP2615120

The patent EP2615120 was granted to Evonik Degussa on Dec 21, 2022. The application was originally filed on Jan 12, 2012 under application number EP12150875A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2615120

EVONIK DEGUSSA
Application Number
EP12150875A
Filing Date
Jan 12, 2012
Status
Patent Maintained As Amended
Nov 18, 2022
Grant Date
Dec 21, 2022
External Links
Slate, Register, Google Patents

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NIPPON SHOKUBAIOct 8, 2020HENKEL & PARTNER MBBADMISSIBLE

Patent Citations (28) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONDE10223060
DESCRIPTIONDE2520788
DESCRIPTIONDE2617612
DESCRIPTIONDE2706135
DESCRIPTIONDE3503458
DESCRIPTIONDE3544770
DESCRIPTIONDE4020780
DESCRIPTIONDE4244548
DESCRIPTIONDE4333056
DESCRIPTIONDE4418818
DESCRIPTIONEP0955086
DESCRIPTIONEP1683813
DESCRIPTIONUS2008214749
DESCRIPTIONUS4076663
DESCRIPTIONUS4286082
DESCRIPTIONUS4857610
DESCRIPTIONWO0138402
DESCRIPTIONWO02056812
DESCRIPTIONWO9636464
OPPOSITIONEP1130045
OPPOSITIONJPH08134134
OPPOSITIONUS2008214749
OPPOSITIONWO2010114058
OPPOSITIONWO2011090130
SEARCHDE19909653
SEARCHEP0228638
SEARCHUS2010010184
SEARCHWO0222717

Non-Patent Literature (NPL) Citations (7) 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- Andrew T Graham; Et Al, "COMMERCIAL PROCESSES FOR THE MANUFACTURE OFSUPERABSORBENT POLYMERS", Modern Superabsorbent Polymer Technology, (19980000), pages 69 - 117, XP055290596-
OPPOSITION- Buchholz, Frederick L. et al: Modern Superabsorbent Polymer Technology-Chapter 4: Analysis and Characterization of Superabsorbent Polymers, pages 119-165. John Wiley & Sons, Inc., copyright 1998-
OPPOSITION- Handbook of Industrial Drying, 2nd Edition, Marcel Dekker Inc. 1995, pages 525-535-
OPPOSITION- Kagaku Souchi (Chemical.Device), 40(4) (1998), pages 98-99-
OPPOSITION- Modern Superabsorbent Polymer Technology, Wiley VCH 1998 pages 69-117-
OPPOSITION- Naoyuki Habu, "21 Band dryer /Partial English translation enclosed/", Chemical Device /KAGAKU SOUCHI/, (19980400), vol. 40, no. 4, pages 98 - 99, XP055747472-
OPPOSITION- STURGEON L, "CONVEYOR DRYERS", STURGEON L, Arun S. Mujumdar, HANDBOOK OF INDUSTRIAL DRYING, SECOND EDITION REVISED AND EXPANDED, MARCEL DEKKER, INC, (19950000), page 2pp, 525-528, 535, XP003035160-

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