Location History:
- Norman, OK (US) (1997)
- Stephenville, TX (US) (1998)
Company Filing History:
Years Active: 1997-1998
Title: Innovations of Harold B Rathburn
Introduction
Harold B Rathburn is a notable inventor based in Norman, OK (US). He has made significant contributions to the field of insecticides through his innovative research and patents. With a total of two patents to his name, Rathburn's work focuses on utilizing natural substances for pest control.
Latest Patents
Rathburn's latest patents include inventions derived from the seeds of Pentaclethra macroloba. The first patent involves a leucine aminopeptidase inhibitor (LAPI) that exhibits hemagglutination activity. This invention highlights an active species with a molecular weight ranging from 1.5 to 60 kilodaltons, which contains various amino acids and forms multimers and conjugates. The active substances derived from this invention have been shown to act as effective insecticides, particularly against European corn borer larvae.
The second patent focuses on purified trypsin inhibitors extracted from the same seeds. This invention reveals two molecular weight ranges of 38-35 kDa and 6-9 kDa, containing active compounds. Notably, the lower molecular weight inhibitor demonstrates remarkable stability and activity even after being heated in aqueous solution at approximately 100 degrees Celsius for 30 minutes.
Career Highlights
Harold B Rathburn is associated with Pioneer Hi-Bred International, Inc., where he continues to advance his research in agricultural innovations. His work has contributed to the development of environmentally friendly pest control solutions, showcasing the potential of natural substances in agriculture.
Collaborations
Rathburn has collaborated with notable coworkers such as Karel R Schubert and Thomas H Czapla. Their combined efforts have furthered the research and development of effective insecticides derived from natural sources.
Conclusion
Harold B Rathburn's innovative work in the field of insecticides exemplifies the potential of utilizing natural substances for pest control. His patents reflect a commitment to advancing agricultural practices through scientific research.