Patent US4122187A successfully refreshed from Google Patents.
US4122187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorbic acid composition having improved quality
Assignee: Mitsubishi Chemical Corp
•
Filing: 1977-09-30
•
Granted: 1978-10-24
•
Expires: 1997-09-30
Abstract
Abstract A sorbic acid composition having improved quality which comprises (a) sorbic acid or a double salt thereof and (b) 0.05 to 5 parts by weight of glycerin to 100 parts by weight of (a). The incorporation of glycerin restrains the offensive odor and the scattering of the fine powders of sorbic acid and double salts thereof.
Inventors
- 👤 Yasuo Kotani
- 👤 Masayasu Hasegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:00
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/02; C07C57/03; C07C57/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
A sorbic acid composition comprising (a) sorbic acid or a double salt thereof and (b) 0.05 to 5 parts by weight of glycerin to 100 parts by weight of said (a).
Claim 2
Dependent Claim
31 words
A sorbic acid composition comprising (a) sorbic acid or a double salt thereof and (b) 0.05 to 5 parts by weight of glycerin to 100 parts by weight of said (a).
Claim 3
Dependent Claim
23 words
The composition of claim 1, wherein said sorbic acid or double salt thereof has an average particle size of less than 150 μ.
Claim 4
Dependent Claim
15 words
The composition of claim 1, wherein said double salt is sorbic acid-potassium sorbate double salt.
References Cited (Backward Citations)
NL6804299A
Cited
US3934045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-23 | 1982-04-24 | 1982-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-23 | 1986-04-24 | 1986-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-23 | 1990-04-24 | 1990-10-24 | $7700.00 | Window Closed / Lapsed |