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Polysulphones And Polyether Sulphones With Reduced Yellow Index And Processes For Their Preparation - EP2035484

The patent EP2035484 was granted to Basf on Jul 29, 2020. The application was originally filed on Jun 13, 2007 under application number EP07730108A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2035484

BASF
Application Number
EP07730108A
Filing Date
Jun 13, 2007
Status
Patent Maintained As Amended
Jun 26, 2020
Publication Date
Jul 29, 2020
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

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SOLVAY SPECIALTY POLYMERS USAJun 27, 2018FIORUCCI -

Patent Citations (22) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP0135130
INTERNATIONAL-SEARCH-REPORTEP0313948
INTERNATIONAL-SEARCH-REPORTWO03089519
INTERNATIONAL-SEARCH-REPORTWO03089520
OPPOSITIONDD242414
OPPOSITIONUS2005003661
OPPOSITIONUS4108837
OPPOSITIONUS5861471
OPPOSITIONUS5914369
OPPOSITIONUS6428199
OTHERDE2648470
OTHERDE2840301
OTHEREP0289869
OTHEREP0739925
OTHEREP1524027
OTHERUS2003104259
OTHERUS4108837
OTHERUS4313870
OTHERUS5861471
OTHERUS6420514
OTHERUS6579954
OTHERWO2006012453

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 Text
OPPOSITION- "Beschreibung der Vergilbung von nahezuweiBen oder nahezu farblosen Materialien", German Test Method for Yellowness Index DIN, (19800000), vol. 6167, page 3, XP055503006
OPPOSITION- EKATO, "Excerpt from the Brochure", Handbuch der Ruhrtechnik, (19910000), page 79, XP055503000
OPPOSITION- LIEPE et al., "Excerpt from Chapter 5 of the Handbook", Rührwerke - Theoretische Grundlagen, auslegung und bewertung, (19980000), page 14, XP055502995
OPPOSITION- MARKO ZLOKARNIK, "Excerpt from Chapter 1 of the Handbook", Stirring: Theory and Practice, (20010000), pages 1 - 15, XP055502992
OPPOSITION- "Standard Test Method for Yellowness Index of Plastics", AMERICAN SOCIETY FOR TESTING ANO MATERIALS D 1925-70, (19880000), page 2, XP055503011
OTHER- "Mixing Equipment", ROBERT H. PERRY AND C.H. CHILTON, Chemical Engineer's Handbook, (1973), vol. 5, page 19-5, ISBN 0-07-04994789, XP003024855
OTHER- "Stirring", Separation and Classification; Solid-Liquid Separation; Solid-Solid Separation, Mixing; Particle technology; Heat Generation, WILEY-VCH GMBH, (2004), vol. 2, pages 1084 - 1092, ISBN 3-527-31096-7, XP003024856
OTHER- TODD D.B. ET AL, "Mixing of Highly Viscous Media", ULLMANN'S PROCESS AND PROCESS ENGINEERING, (2004), pages 1151 - 1154, XP003024857
OTHER- IRANSHAHI A. ET AL, "Numerical investigation of the mixing efficiency of the Ekato Paravisc impeller", CHEMICAL ENGINEERING SCIENCE, (20060401), vol. 61, no. 8, pages 2609 - 2617, XP025012102

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