Processing of patent bibliographic data at chemical abstracts service

Philip J. Pollick

World Patent Information, 1981, vol. 3, issue 3, 128-131

Abstract: Chemical Abstracts Service (CAS) has been involved with chemical patent information from its beginning in 1907. Since then, the patent literature has undergone many changes and CAS has tried to respond to those changes to better meet the needs of its users for patent information. One significant advance has been the signing of a long-term agreement with the International Patent Documentation Center (INPADOC) for a backfile of computer-readable patent bibliographic data and weekly update tapes. The article discusses the events which led to the signing of the INPADOC agreement, the manner in which the INPADOC backfile and weekly tapes are used to select chemical documents and determine basics and equivalents, and the format of the new Patent Index, derived from the INPADOC data, which was introduced by CAS in January 1981.

Date: 1981
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