Abstract
This chapter features an important component of organic chemistry known as lactones. The chemical agents mentioned in the book are classified by both their functional group type and product utility designation. This makes it easier for the reader to look for a specific agent. This chapter focuses on two US patents related to lactones. It outlines the details of these two patents. The first patent discussed here is benzylidene-y-butryolactones, process for their preparation and their use as UV absorbers. The assignee of this patent is Haarmann & Reimer GmbH and the utility designation is sunscreen in cosmetics. The other patent mentioned in the chapter is ring-opened azlactone initiators for nitroxide-mediated polymerization. The assignee for this patent is 3M Innovative Properties Companies and the utility designation is azo-polymerization initiators. The experimental details are provided for each patent. Besides this, reactions, derivatives, and notes are provided for additional understanding. The chapter also lists US patents that have been used to collect the information for the content of the chapter.
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