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Low Molecular Mass, Phosphorus-Containing Polyacrylic Acids And Use Thereof As Scale Inhibitors In Water-Carrying Systems - EP2670523

The patent EP2670523 was granted to Basf on May 3, 2017. The application was originally filed on Feb 1, 2012 under application number EP12701528A. The patent is currently recorded with a legal status of "Revoked".

EP2670523

BASF
Application Number
EP12701528A
Filing Date
Feb 1, 2012
Status
Revoked
Apr 17, 2020
Grant Date
May 3, 2017
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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CompanyOpposition DateRepresentativeOpposition Status

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BWA WATER ADDITIVES UKFeb 2, 2018APPLEYARD LEES -
COATEXFeb 2, 2018REGIMBEAU -

Patent Citations (12) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTEP1074293
INTERNATIONAL-SEARCH-REPORTEP2182011
INTERNATIONAL-SEARCH-REPORTUS5681479
INTERNATIONAL-SEARCH-REPORTWO2009133186
INTERNATIONAL-SEARCH-REPORTWO2011054789
OPPOSITIONEP0405818
OPPOSITIONEP0618240
OPPOSITIONJP2004217899
OPPOSITIONJP2010077340
OPPOSITIONUS4681686
OPPOSITIONWO2012104401
OTHERJP2010007340

Non-Patent Literature (NPL) Citations (21) 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- "Belclene 400", INDUSTRIAL CHEMICALS DIVISION research department ANALYTICAL SERVICES, (19850409), pages 11 - 13, XP055461795
OPPOSITION- BWA, "Waterfront - Flocon 135", BWA, (20060600), pages 1 - 2, XP055461323
OPPOSITION- "Characterisation of Flocon 135", Great lakes chemicals report, (20000412), pages 1 - 6, XP055461320
OPPOSITION- ESMAILZADEH et al., "Preparation of phosphino Polyacrylic acid and its application as a precipitation inhibitor", Iranian Journal of Polymer Science and technology, (19990000), vol. 12, no. 1
OPPOSITION- KELVIN Y. CHANG et al., "A Mechanistic Study of Phosphinocarboxylic Acid for Boiler Deposit Control", (19960700), pages 48 - 53, XP055460634
OPPOSITION- KELVIN Y. CHANG et al., "A mechanistic study of phosphinocarboxylic acid for boiler deposit control", Chemical Treatment, (19960700), pages 48 - 53, XP055460634
OPPOSITION- "KIWA certificate K20750/01", BWA, (20001101), pages 1 - 5, XP055461445
OPPOSITION- Ryder d.s, "Bellasol S30", process additives research department physicalanalysis group, (19951005), pages 1 - 9, XP055461789
OPPOSITION- Ryder D.S., "Characterisation of commercial product Flocon 135", Great lakes chemicals report, (20000412), pages 1 - 6, XP055461320
OPPOSITION- Ryder D.S, Et Al, "Belclene 400", INDUSTRIAL CHEMICALS DIVISION research department ANALYTICAL SERVICES, (19850409), pages 1 - 14, XP055461795
OPPOSITION- Ryder D.S et al, "Belsperse 164 - Characterisation of Production Material", process additives research department physical analysis group, (19880603), pages 1 - 16, XP055461790
OPPOSITION- RYDER ET AL, "analytical comparison with Belros 435", PROCESS ADDITIVES RESEARCH DEPARTMENT PHYSICAL ANALYSIS GROUP, (19951005), pages 1 - 9, XP055461325
OPPOSITION- Spectra of DB4a with % NA
OPPOSITION- "Water-born", Speciality Chemicals Magazine -, (20100900), pages 2 - 4, XP055461803
OPPOSITION- "Waterfront - Belclene 400", BWA, (20060500), pages 1 - 2, XP055461337
OPPOSITION- Waterfront - Bellasol S30, (20060600), XP055461328
OPPOSITION- "Waterfront - Bellasol S 30", BWA, (20060600), pages 1 - 2, XP055461328
OPPOSITION- "Waterfront - Belsperse 164", bwa, (20060400), pages 1 - 2, XP055461792
OPPOSITION- "Waterfront - Belsperse 164", BWA, (20060500), pages 1 - 2, XP055461792
OPPOSITION- "Waterfront - Flocon 135", BWA, (20060600), pages 1 - 2, XP055461323
OPPOSITION- YZN LIANHE et al., "Structural analysis of phosphino-carboxylic copolymer B134", fine chemicals, (20020200), vol. 19, no. 2, pages 77 - 81, XP055461347

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Dossier Documents

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