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Kraft Cooking Method Using Polysulfide Cooking Liquor - EP2751331

The patent EP2751331 was granted to Valmet Aktiebolag on Apr 22, 2020. The application was originally filed on Aug 30, 2011 under application number EP11871390A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2751331

VALMET AKTIEBOLAG
Application Number
EP11871390A
Filing Date
Aug 30, 2011
Status
Patent Maintained As Amended
Mar 20, 2020
Grant Date
Apr 22, 2020
External Links
Slate, Register, Google Patents

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ANDRITZMar 14, 2018AWA SWEDEN -

Patent Citations (13) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS2009126883
DESCRIPTIONUS3567572
DESCRIPTIONUS3664919
DESCRIPTIONWO03057979
DESCRIPTIONWO9914423
INTERNATIONAL-SEARCH-REPORTCA2763651
INTERNATIONAL-SEARCH-REPORTUS2009126883
INTERNATIONAL-SEARCH-REPORTUS3567572
INTERNATIONAL-SEARCH-REPORTUS3664919
INTERNATIONAL-SEARCH-REPORTWO03057979
INTERNATIONAL-SEARCH-REPORTWO9914423
OPPOSITIONUS3664919
OPPOSITIONUS7828930

Non-Patent Literature (NPL) Citations (9) 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- "4 Chemical Pulping Processes. 4.2. Kraft Pulping Processes", Handbook of Pulp, Wiley-VCH, vol. 1, pages 113 - 115, XP055472083-
OPPOSITION- "Fiber line operations", Papermaking Science and Technology, Book 6A. Chemical pulping, pages A41 - A43, A48-A51, A519-A522, XP055472109-
OPPOSITION- LANDMARK, P.A. et al., "Cooking Liquor Oxidation and Improved Cooking Technique in Polysulfide Pulping", (19650000), pages 56A - 58A, XP055472124-
OPPOSITION- TEDER, A. et al., "Redox Potential of Polysulfide Solutions and Carbohydrate Stabilization", Svensk Papperstidning, (19680000), pages 149 - 160, XP055472112-
OPPOSITION- VENEMARK, E., "Some Ideas on Polysulfide Pulping", Svensk Papperstidning, (19640315), pages 157 - 166, XP055472120-
OPPOSITION- "Volume 5. Alkaline Pulping", T M Grace and E W Malcolm, Pulp and Paper Manufacture, vol. 5, pages 49 - 54, 98-101, 676, XP055472099-
OPPOSITION- WATANABE, K. et al., "Development of a New Cooking System using Highly Concentrated Polysulfide (I)", TAPPI Japan Journal, (20081200), pages 1557 - 1569, XP055472088-
OPPOSITION- WATANABE, K. et al., "Development of a New Cooking System using Highly Concentrated Polysulfide (I)", TAPPI Japan Journal, (200812), pages 1557 - 1569, XP055472088-
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Dossier Documents

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