US2805914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-hydroxy-adipaldehyde treatment of chicken feathers to enhance filling power, water repellancy, etc.
Assignee: Individual
•
Filing: 1954-06-09
•
Granted: 1957-09-10
•
Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Edward R Frederick
- 👤 Michael C Jaskowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:43
CPC Classifications
D; D06; D06M; D06M19/00; Y; Y10; Y10S; Y10S530/00; Y10S530/855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD OF TREATING CLEAN LAND FOWL FEATHERS TO ENHANCE THEIR FILLING POWER, IMPART WATER REPELLENCY AND RESILIENCY AND OTHER DESIRABLE CHARACTERISTICS WHICH COMPRISES SOAKING SAID FEATHERS IN A WATER SOLUTION OF ABOUT 1% ALPHA-HYDROXY-ADIPALDEHYDE PLUS AN EFFECTIVE AMOUNT OF AN ACIDIC CATALYTIC AGENT TO GIVE A PH OF BETWEEN 2 AND 4, THE TEMPERATURE BEING BETWEEN 105*F. AND 120* F., THE TIME OF THE TREATMENT BEING ABOUT HALF AN HOUR, THEN RINSING SAID FEATURES AND DRYING THEM.
Claim 2
Independent Claim
78 words
A METHOD OF TREATING CLEAN LAND FOWL FEATHERS TO ENHANCE THEIR FILLING POWER, IMPART WATER REPELLENCY AND RESILIENCY AND OTHER DESIRABLE CHARACTERISTICS WHICH COMPRISES SOAKING SAID FEATHERS IN A WATER SOLUTION OF ABOUT 1% ALPHA-HYDROXY-ADIPALDEHYDE PLUS AN EFFECTIVE AMOUNT OF AN ACIDIC CATALYTIC AGENT TO GIVE A PH OF BETWEEN 2 AND 4, THE TEMPERATURE BEING BETWEEN 105*F. AND 120* F., THE TIME OF THE TREATMENT BEING ABOUT HALF AN HOUR, THEN RINSING SAID FEATURES AND DRYING THEM.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |