IP Verse

Method For Preparing An Anhydrosugar Alcohol Using Hydrol - EP2933256

The patent EP2933256 was granted to Samyang on May 22, 2019. The application was originally filed on Dec 12, 2013 under application number EP13862769A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2933256

SAMYANG
Application Number
EP13862769A
Filing Date
Dec 12, 2013
Status
Granted And Under Opposition
Apr 19, 2019
Grant Date
May 22, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

ROQUETTE FRERESFeb 24, 2020PLASSERAUDWITHDRAWN

Patent Citations (17) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONKR101079518B
DESCRIPTIONKR20120066904
INTERNATIONAL-SEARCH-REPORTKR20030010905
INTERNATIONAL-SEARCH-REPORTKR20040070173
INTERNATIONAL-SEARCH-REPORTKR20110076268
OPPOSITIONDE4226049
OPPOSITIONEP0168315
OPPOSITIONKR20110076268
OPPOSITIONUS2007173652
OPPOSITIONWO0014081
OPPOSITIONWO0194352
OPPOSITIONWO03043959
OPPOSITIONWO2012081785
OPPOSITIONWO2012083149
OPPOSITIONWO2012165676
SEARCHKR20110076268
SEARCHUS2007173652

Non-Patent Literature (NPL) Citations (4) 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- JIAOJIAO XIA ET AL., "Sulfated copper oxide: an efficient catalyst for dehydration of sorbitol to isosorbide", CATALYSIS COMMUNICATIONS, (2011), vol. 12, pages 544 - 547, XP055243001
OPPOSITION- anonymous, "Glucose Sorbitol", International Starch Institute, (20110321), URL: https://web.archive.org/web/20110321061815/http:/www.starch.dk/isi/glucose/sorbitol.asp, XP055695191-
OPPOSITION- NEHETE P N et al, "Article Recycling of mother liquor of sorbose and glucose for hexitol production", Resources, Conservation and Recycling, (19910200), vol. 5, no. 1, pages 81 - 87, XP000204948
SEARCH- JIAOJIAO XIA ET AL, "Sulfated copper oxide: An efficient catalyst for dehydration of sorbitol to isosorbide", CATALYSIS COMMUNICATIONS, NL, (20110201), vol. 12, no. 6, doi:10.1016/j.catcom.2010.12.002, ISSN 1566-7367, pages 544 - 547, XP055243001 [X] 1-13 * chapter 2.2 *

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents