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Method For Thickening Or Dehydrating Sludge - EP2925681

The patent EP2925681 was granted to Roquette Frres on Dec 13, 2017. The application was originally filed on Nov 28, 2013 under application number EP13820792A. The patent is currently recorded with a legal status of "Revoked".

EP2925681

ROQUETTE FRRES
Application Number
EP13820792A
Filing Date
Nov 28, 2013
Status
Revoked
Aug 2, 2019
Grant Date
Dec 13, 2017
External Links
Slate, Register, Google Patents

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KEMIRA OYJAug 31, 2018DANIELSADMISSIBLE

Patent Citations (14) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP0737210
DESCRIPTIONUS2004112559
DESCRIPTIONUS2995513
DESCRIPTIONUS3842005
DESCRIPTIONUS4382864
DESCRIPTIONUS4579944
DESCRIPTIONWO2007121981
DESCRIPTIONWO9962957
INTERNATIONAL-SEARCH-REPORTFR2810042
INTERNATIONAL-SEARCH-REPORTUS2004112559
OPPOSITIONDE3928463
OPPOSITIONJPH1076277
OPPOSITIONUS2004112559
OPPOSITIONWO9107543

Non-Patent Literature (NPL) Citations (13) 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
DESCRIPTION- BRATSKAYA ET AL., MACROMOL. MATER. AND ENG., (2005), vol. 290, pages 778 - 785-
DESCRIPTION- R.L. WHISTLER; E.F. PASCHALL, Starch Chemistry and Technology, ACADEMIC PRESS, (1967), vol. II-
INTERNATIONAL-SEARCH-REPORT- SVETLANA BRATSKAYA ET AL, "Effect of Polyelectrolyte Structural Features on Flocculation Behavior: Cationic Polysaccharides vs. Synthetic Polycations", MACROMOLECULAR MATERIALS AND ENGINEERING, (20050812), vol. 290, no. 8, doi:10.1002/mame.200400403, ISSN 1438-7492, pages 778 - 785, XP055065180 [A] 1,18 * page 6, column 2, lines 4-end; figure 7 *
OPPOSITION- GERLI A. et al., "The use of Focussed Beam Reflectance Measurement (FBRM) in the development of a new nanosize particle", Appita Journal, (20010100), vol. 54, no. 1, pages 36 - 41, XP055519281-
OPPOSITION- PAL S. et al., "Cationic starch: an effective flocculating agent", Carbohydrate Polymers, (20050315), vol. 59, no. 4, pages 417 - 423, XP027721544-
OPPOSITION- Technical Association Of The Pulp And Paper Industry, "Freeness of pulp (Canadian Standard method)", TAPPI Useful method T 227 om-99 Revised, (19990000), pages 1 - 9, URL: http://cnr.ncsu.edu/wpsanalytical/documents/T227.PDF, XP055068627-
OPPOSITION- CHEN Y. et al., "Flocculation Properties and Adsorption Kinetics of Cationic Starches in Kaolin Suspensions", J. Appl. Phys., (20070905), vol. 105, no. 5, pages 2841 - 2849, XP055518994
OPPOSITION- PAL S. et al., "Characterization of Cationic Starch: An Efficient Flocculating Agent", J. Appl. Polym. Sci., (20080221), vol. 108, no. 4, pages 2674 - 2681, XP055519014
OPPOSITION- BRATSKAYA S. Yu et al., "Effect of Polyelectrolyte Structural Features on Flocculation Behavior: Cationic Polysaccharides vs. Synthetic Polycations", Macromol. Mater. Eng., (20050812), vol. 290, no. 8, pages 778 - 785, XP055065180
OPPOSITION- KRENTZ D-O et al., "Properties and Flocculation Efficiency of Highly Cationized Starch Derivatives", Starch, (20060400), vol. 58, no. 3-4, pages 161 - 169, XP055519011
OPPOSITION- BRATSKAYA S. Yuet al., "Starch derivatives of high degree of functionalization. 10.", Colloids and Surfaces A: Physicochem. Eng. Aspects, (20050310), vol. 254, no. 1-3, pages 75 - 80, XP025315675
OPPOSITION- SHIRZAD-SEMSAR et al., "Cationic Starches as Substitute for Synthetic Cationic Flocculants in Solid-Liquid Separation of Harbor Sludge", J. Phys. Chem. B, (20070607), vol. 111, no. 29, pages 8641 - 8648, XP055518993
OPPOSITION- BRATSKAYA et al., "Flocculation and binding properties of highly substituted cationic starches", Russ. J. Appl. Chem., (20080500), vol. 81, no. 5, pages 862 - 866, XP055519007

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