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Water-Soluble Hydroxyalkyl Polymer Obtained By A Method Of Inverse Suspension Or Inverse Emulsion Polymerisation - EP3177654

The patent EP3177654 was granted to Spcm on Jun 13, 2018. The application was originally filed on Jul 24, 2015 under application number EP15754273A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3177654

SPCM
Application Number
EP15754273A
Filing Date
Jul 24, 2015
Status
Opposition Rejected
Feb 26, 2021
Grant Date
Jun 13, 2018
External Links
Slate, Register, Google Patents

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BASFFeb 18, 2019BASF ASSOCIATION -

Patent Citations (7) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONJPS56161413
INTERNATIONAL-SEARCH-REPORTFR2986033
INTERNATIONAL-SEARCH-REPORTJPS56161413
OPPOSITIONUS2004024156
OPPOSITIONUS4268400
OPPOSITIONUS4506062
OPPOSITIONUS4757862

Non-Patent Literature (NPL) Citations (6) 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
INTERNATIONAL-SEARCH-REPORT- DATABASE WPI, 0, Derwent World Patents Index, vol. 1982, no. 04, Database accession no. 1982-06772E, XP002736386 & JPS56161413 A 19811211 (KAO SOAP CO LTD) [X] 1-8,15 * abstract * [I] 9-14-
INTERNATIONAL-SEARCH-REPORT- YUHONG ZHANG ET AL, "Preparatiion and super-water-absorbency of poly(sodium acrylate-co-acrylamide-co-2-hydroxyethyl acrylate)", POLYMER (KOREA), (20060101), vol. 30, no. 4, pages 286 - 290, XP055171741 [X] 1-8,15 * page 286 - page 287 * [I] 9-14-
OPPOSITION- "Heterophase Polymerization", Encyclopedia of Polymer Science and Technology, vol. 6, (20030415), pages 410 - 527, URL: https://doi.org/10.1002/0471440264.pst452, XP055566033-
OPPOSITION- "Polyacrylamides and Poly(Acrylic Acid", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim, (20000615), pages 501 - 514, XP055566027-
OPPOSITION- "Radical Polymerization", Encyclopedia of Polymer Science and Technology, (20031015), pages 359 - 473, URL: https://doi.org/10.1002/0471440264.pst306, XP055566047-
OPPOSITION- Robert C Weast et al, "Viscosity of liquids", Handbook of Chemistry and Physics, (19890000), pages F-41 - F-44, XP055566058-

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