If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Patent decision: O/135/94 in the matter of an application under section 72 by Genencor International for revocation of patent no GB2091271 in the name of Collaborative Research Inc. dated 23 June 1994.