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February 2020

New legal event data from Croatia, Italy, and Poland in INPADOCDB and INPAFAMDB

January 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates

December 2019

Derwent World Patents Index: Manual Code revision 2020

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Databases by Producer

Accelrys, Inc.Adis International Ltd.American Geosciences InstituteBundesanstalt für Materialforschung und -prüfungCAB International
ChemAdvisor Inc.Chemical Abstracts ServiceClarivate AnalyticsDeutsches Patent-und MarkenamtDokumentation Kraftfahrwesen e.V.
Elsevier B.V.Elsevier Engineering Information Inc.Elsevier Properties SAEuropean Patent Office Vienna Sub OfficeFachhochschule Potsdam
FIZ KarlsruheIFI CLAIMS Patent ServicesIMS Health IMS Global Services (IMSworld Publications Ltd.)Institut National de la Propriété Industrielle (INPI)The Institution of Engineering and Technology (IET)
International Federation of the Societies of Cosmetic Chemists (IFSCC)International Food Information ServiceJapan Patent OfficeKorean Institute of Patent Information (KIPI)LexisNexis Univentio B.V.
National Agricultural Library (NAL) of the U.S. DepartmentNational Center for Biotechnology Information National Institute of Standards and Technology, U.S. Department of CommerceNational Technical Information ServicePetroleum Abstracts Service, The University of Tulsa
Pira InternationalPRA Coatings Technology CentreProgram for Collaborative Research in the Pharmaceutical Sciences, University of Illinois at ChicagoProQuest Information and Learning CompanyQuestel
RospatentThe Royal Society of ChemistrySequenceBase Corporation Smithers PIRASociety of Automotive Engineering (SAE)
THIEME ChemistryTWI Ltd.U.S. Department of Energy OSTIU.S. Department of Health and Human ServicesU.S. National Library of Medicine (NLM)
U.S. Patent and Trademark OfficeWorld Intellectual Property OrganizationWTI Frankfurt-digital GmbH

Databases of the producer "TWI Ltd."

WELDASEARCH   Literature about ceramics, metals, plastics 
 Summary Sheet