US3453222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated sultone derivatives of proteins
Assignee: JBS USA LLC
•
Filing: 1966-02-28
•
Granted: 1969-07-01
•
Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harland H Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:41
CPC Classifications
C; C08; C08F; C08F289/00; C08F28/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
25 words
A METHOD FOR PRODUCING A MODIFIED PROTEIN WHICH COMPRISES REACTING AN ALKALINE SOLUBLE OR DISPERSIBLE PROTEIN WITH AN UNSATURATED GAMMA SULTONE UNDER MILD ALKALINE CONDITIONS.
Claim 2
Independent Claim
25 words
A METHOD FOR PRODUCING A MODIFIED PROTEIN WHICH COMPRISES REACTING AN ALKALINE SOLUBLE OR DISPERSIBLE PROTEIN WITH AN UNSATURATED GAMMA SULTONE UNDER MILD ALKALINE CONDITIONS.
Claim 3
Dependent Claim
30 words
THE METHOD OF CLAIM 1 WHEREIN THE SULTONE IS UNSATURATED AND THE MODIFIED PROTEIN IS POLYMERIZED WITH A VINYL MONOMER IN THE PRESENCE OF A PEROXIDE OR FREE RADICAL CATALYST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |