David L Leland

Title: The Innovations of David L. Leland

Introduction

David L. Leland is a notable inventor based in Elkhart, Indiana. He has made significant contributions to the field of pharmaceuticals, particularly in the development of narcotic analgesics. With a total of seven patents to his name, Leland's work has had a considerable impact on pain management therapies.

Latest Patents

Leland's latest patents include innovative compounds such as 7.beta.-Arylalkyl-6.alpha., 7.alpha.-oxymethylene-3-methoxy and 7.beta.-Arylalkyl-3-methoxy. The first patent discloses 7.beta.-arylalkyl substituted morphinan compounds characterized by a specific formula, where R can be hydrogen or methyl, R.sub.1 can be methyl, cyclopropylmethyl, or cyclobutylmethyl, and n ranges from 2 to 5. The second patent details 7.beta.-alkyl or arylalkyl-3-methoxy or hydroxy-4,5.alpha.-epoxy-6.beta.-hydroxy-7.alpha.-hydroxymethyl-17-methyl or cycloalkylmethylmorphinans, which are also defined by a specific formula. These compounds are recognized for their utility as narcotic analgesics.

Career Highlights

David L. Leland has spent a significant portion of his career at Miles Laboratories, Inc. His work has been instrumental in advancing the understanding and application of morphinan compounds in medical treatments. Leland's innovative approach to drug development has positioned him as a key figure in the pharmaceutical industry.

Collaborations

Throughout his career, Leland has collaborated with notable colleagues such as Michael P. Kotick and Joseph O. Polazzi. These partnerships have fostered a collaborative environment that has led to the successful development of various pharmaceutical innovations.

Conclusion

David L. Leland's contributions to the field of pharmaceuticals through his patents and collaborations have made a lasting impact on pain management therapies. His work continues to influence the development of effective narcotic analgesics.