US3044884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservation of foods
Assignee: Shell USA Inc
•
Filing: 1960-11-07
•
Granted: 1962-07-17
•
Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 William E Rader
- 👤 Legator Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:25
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/742; A23B2/754; A23B2/758; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A23B11/00; A23B11/10; A23B11/18; A23B4/00; A23B4/14; A23B4/18; A23B4/20; C; C11; C11B; C11B5/00; C11B5/0071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A METHOD FOR PRESERVING FOOD PRODUCTS WHICH COMPRISES BRINGING A FOOD PRODUCT SUBJECT TO ATTACK BY AND DETERIORATION CAUSED BY MICROORGANISMS INTO INTIMATE CONTACT WITH A MICROBIOCIDALLY EFFECTIVE AMOUNT OF FROM 5 PARTS PER MILLION TO ONE PERCENT BY WEIGHT OF AT LEAST ONE LOWER ALKYL ESTER OF 2-HALOACETOACETIC ACID.
Claim 2
Independent Claim
50 words
A METHOD FOR PRESERVING FOOD PRODUCTS WHICH COMPRISES BRINGING A FOOD PRODUCT SUBJECT TO ATTACK BY AND DETERIORATION CAUSED BY MICROORGANISMS INTO INTIMATE CONTACT WITH A MICROBIOCIDALLY EFFECTIVE AMOUNT OF FROM 5 PARTS PER MILLION TO ONE PERCENT BY WEIGHT OF AT LEAST ONE LOWER ALKYL ESTER OF 2-HALOACETOACETIC ACID.
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |