US2842441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial preservative
Assignee: Individual
•
Filing: 1955-07-25
•
Granted: 1958-07-08
•
Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Kuen Franz Meinrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/14; A; A23; A23B; A23B70/00; A23B70/10; C12N; C12N1/00; C12N1/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
THE COMBINATION OF A LIQUID CONTAINING PERISHABLE ORGANIC MATTER WITH A PRESSERVATIVE ADMIXED IN A PROPORTION OF THE ORDER OF 0.0002% TO 0.001%, BY WEIGHT, OF SAID LIQUID, SAID PRESERVASTIVE COMPRISING AN ALKYL PHENYL ESTER OF A HALOGENATED FATTY ACID.
Claim 2
Dependent Claim
40 words
THE COMBINATION OF A LIQUID CONTAINING PERISHABLE ORGANIC MATTER WITH A PRESSERVATIVE ADMIXED IN A PROPORTION OF THE ORDER OF 0.0002% TO 0.001%, BY WEIGHT, OF SAID LIQUID, SAID PRESERVASTIVE COMPRISING AN ALKYL PHENYL ESTER OF A HALOGENATED FATTY ACID.
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) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |