Global Patent Index - EP 2027172 A1

EP 2027172 A1 2009-02-25 - FORMALDEHYDE-FREE, OH-FUNCTIONAL, CARBONYL- AND RING-HYDROGENATED KETONE-ALDEHYDE RESINS BASED ON ALKYL ARYL KETONES AND FORMALDEHYDE AND A PROCESS FOR PREPARING THEM

Title (en)

FORMALDEHYDE-FREE, OH-FUNCTIONAL, CARBONYL- AND RING-HYDROGENATED KETONE-ALDEHYDE RESINS BASED ON ALKYL ARYL KETONES AND FORMALDEHYDE AND A PROCESS FOR PREPARING THEM

Title (de)

FORMALDEHYDFREIE, OH-FUNKTIONELLE, CARBONYL- UND KERNHYDRIERTE KETON-ALDEHYDHARZE AUF BASIS VON ALKYLARYLKETONEN UND FORMALDEHYD UND EIN VERFAHREN ZU IHRER HERSTELLUNG

Title (fr)

RÉSINES ALDÉHYDE-CÉTONE À CARBONYLE ET COEUR HYDROGÉNÉ SANS FORMALDÉHYDE, À FONCTIONNALITÉ OH, À BASE D'ALKYLARYLCÉTONES ET DE FORMALDÉHYDE ET SON PROCÉDÉ DE FABRICATION

Publication

EP 2027172 A1 (DE)

Application

EP 07729142 A

Priority

  • EP 2007054690 W
  • DE 102006026760 A

Abstract (en)

[origin: WO2007141119A1] The invention relates to formaldehyde-free, OH-functional, carbonyl- and ring-hydrogenated ketone-aldehyde resins based on alkyl aryl ketones and formaldehyde which have a low proportion of compounds capable of crystallization, a low viscosity, a very low colour number, a wide solubility and a very high heat and light stability and also a process for preparing them.

IPC 8 full level (invention and additional information)

C08G 6/02 (2006.01)

CPC (invention and additional information)

C08G 6/02 (2013.01)

Citation (search report)

See references of WO 2007141119A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

WO 2007141119 A1 20071213; CN 101085823 A 20071212; DE 102006026760 A1 20080110; EP 2027172 A1 20090225; JP 2009540028 A 20091119; US 2009099332 A1 20090416

INPADOC legal status


2013-08-21 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20130226

2012-08-08 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) (DELETED)

2009-05-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20090403

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081128

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS