US3982026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silage aid
Assignee: Evonik Operations GmbH
•
Filing: 1975-03-18
•
Granted: 1976-09-21
•
Expires: 1995-03-18
Abstract
Abstract Propylene glycol esters of propionic acid are added to silage to improve the quality thereof.
Inventors
- 👤 Rudolf Fahnenstich
- 👤 Wilhelm Schuler
- 👤 Herbert Tanner
- 👤 Otto Weiberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:48
CPC Classifications
A; A23; A23K; A23K30/00; A23K30/10; A23K30/15
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
16 words
Silage containing as an additive thereto 0.01 to 5% a propylene glycol ester of propionic acid.
Claim 2
Dependent Claim
16 words
Silage containing as an additive thereto 0.01 to 5% a propylene glycol ester of propionic acid.
Claim 3
Dependent Claim
12 words
Silage according to claim 1 wherein the ester is propylene glycol dipropionate.
Claim 4
Dependent Claim
12 words
Silage according to claim 1 wherein the ester is propylene glycol monopropionate.
Claim 5
Dependent Claim
12 words
Silage according to claim 1 containing 0.01 to 2% of said ester.
Claim 6
Dependent Claim
12 words
Silage according to claim 4 containing 0.01 to 1.0% of said ester.
Claim 7
Dependent Claim
12 words
Silage according to claim 5 containing 0.1 to 0.5% of said ester.
Claim 8
Dependent Claim
34 words
A process of promoting the formation of lactic acid in silage comprising adding to fodder to be silaged 0.01 to 5% of a propylene glycol ester of propionic acid and then silaging said fodder.
Claim 9
Dependent Claim
34 words
A process of promoting the formation of lactic acid in silage comprising adding to fodder to be silaged 0.01 to 5% of a propylene glycol ester of propionic acid and then silaging said fodder.
Claim 10
Dependent Claim
12 words
The process of claim 7 wherein the ester is propylene glycol dipropionate.
Claim 11
Dependent Claim
12 words
The process of claim 7 wherein the ester is propylene glycol monopropionate.
Claim 12
Dependent Claim
15 words
The process of claim 7 wherein there is added 0.01 to 2% of said ester.
Claim 13
Dependent Claim
15 words
The process of claim 10 wherein there is added 0.01 to 1.0% of said ester.
Claim 14
Dependent Claim
15 words
The process of claim 11 wherein there is added 0.1 to 0.5% of said ester.
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) | 1979-09-21 | 1980-03-22 | 1980-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-21 | 1984-03-22 | 1984-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-21 | 1988-03-22 | 1988-09-21 | $7700.00 | Window Closed / Lapsed |