US3895078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boll-weevil sex attractant
Assignee: United States Department of Agriculture
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Filing: 1973-05-14
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Granted: 1975-07-15
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Expires: 1993-05-14
Abstract
Abstract Synthetic routes to each of four critical components of the boll-weevil sex attractant complex are described. Effective mixtures of the several components equal to or better than the natural attractant are disclosed.
Inventors
- 👤 Richard C Gueldner
- 👤 James H Tumlinson
- 👤 Dicky D Hardee
- 👤 Paul A Hedin
- 👤 Alonzo C Thompson
- 👤 James P Minyard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:31
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/527; C07C49/557; C07C45/00; C07C45/27; C07C45/29; C07C45/298; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C07C47/00; C07C47/20; C07C47/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR PRODUCING THE CIS ISOMERIC FORM OF 2-ISOPROPENYL-1-METHYLCYCLOBUNATE ETHANOL WHICH PROCESS CONSISTS OF THE FOLLOWING STEPS CARRIED OUT IN SEQUENCE: A. IRRADIATING WITH ULTRAVIOLET LIGHT A MIXTURE COOLED TO ABOUT 5*C FOR ABOUT 144 HOURS, SAID MIXTURE COMPRISING 7.5 PARTS BY WEIGHT OF ISOPRENE, ABOUT 1 PART BY WEIGHT OF ACETOMETHYL VINYL KETONE, AND ABOUT 1 PART BY WEIGHT OF ACETOPHENONE TO PRODUCE A PRODUCT WHICH COMPRISES AN ISOMERIC MIXTURE OF KETONES REPRESENTS BY THE STRUCTURES
Claim 2
Dependent Claim
78 words
A PROCESS FOR PRODUCING THE CIS ISOMERIC FORM OF 2-ISOPROPENYL-1-METHYLCYCLOBUNATE ETHANOL WHICH PROCESS CONSISTS OF THE FOLLOWING STEPS CARRIED OUT IN SEQUENCE: A. IRRADIATING WITH ULTRAVIOLET LIGHT A MIXTURE COOLED TO ABOUT 5*C FOR ABOUT 144 HOURS, SAID MIXTURE COMPRISING 7.5 PARTS BY WEIGHT OF ISOPRENE, ABOUT 1 PART BY WEIGHT OF ACETOMETHYL VINYL KETONE, AND ABOUT 1 PART BY WEIGHT OF ACETOPHENONE TO PRODUCE A PRODUCT WHICH COMPRISES AN ISOMERIC MIXTURE OF KETONES REPRESENTS BY THE STRUCTURES
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-14 | 1979-01-13 | 1979-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-14 | 1983-01-13 | 1983-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-14 | 1987-01-13 | 1987-07-15 | $7700.00 | Window Closed / Lapsed |