US3859449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tortilla and process using acetic and propionic acids
Assignee: BERRERA ROBERT GONZALEZ
•
Filing: 1970-07-24
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Granted: 1975-01-07
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Expires: 1990-07-24
Abstract
Abstract To retard the staling and to retard or prevent microbiological spoilage of tortillas, which are an unleavened unshortened food product made from nixtamalized corn or corn flour by incorporating an additive in making the tortilla dough. The additive is acetic or propionic acid or acid anhydride.
Inventors
- 👤 Manuel Jesus Rubio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:26
CPC Classifications
A; A21; A21D; A21D2/00; A21D2/08; A21D2/14; A21D2/145; A21D13/00; A21D13/40; A21D13/42; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/742; A23B2/754
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
44 words
A TORTILLA WHICH MAINTAINS ITS FLEXIBILITY AFTER STORAGE WITHOUT MOISTURE LOSS, ESSENTIALLY CONSISTING OF NIXTAMALIZED CORN OR NIXTAMALIZED CORN FLOUR AND A COMPOUND OF THE CLASS CONSISTING OF ACETIC ACID, PROPIONIC ACID AND THEIR ANHYDRIDES IN A CONCENTRATION OF 1 TO 4% BY WEIGHT.
Claim 2
Dependent Claim
44 words
A TORTILLA WHICH MAINTAINS ITS FLEXIBILITY AFTER STORAGE WITHOUT MOISTURE LOSS, ESSENTIALLY CONSISTING OF NIXTAMALIZED CORN OR NIXTAMALIZED CORN FLOUR AND A COMPOUND OF THE CLASS CONSISTING OF ACETIC ACID, PROPIONIC ACID AND THEIR ANHYDRIDES IN A CONCENTRATION OF 1 TO 4% BY WEIGHT.
Claim 3
Dependent Claim
22 words
A tortilla of claim 1, in which the additive is a compound of the class consisting of acetic acid and acetic anhydride.
Claim 4
Dependent Claim
22 words
A tortilla of claim 1, in which the additive is a compound of the class consisting of propionic acid and propionic anhydride.
Claim 5
Dependent Claim
37 words
Tortilla dough essentially consisting of nixtamalized corn or nixtamalized corn flour, water, and a compound of the class consisting of acetic acid, propionic acid, and their anhydrides in a concentration of 1 to 4% of the tortillas.
Claim 6
Dependent Claim
37 words
Tortilla dough essentially consisting of nixtamalized corn or nixtamalized corn flour, water, and a compound of the class consisting of acetic acid, propionic acid, and their anhydrides in a concentration of 1 to 4% of the tortillas.
Claim 7
Dependent Claim
22 words
Tortilla dough of claim 4, in which the additive is a compound of the class consisting of acetic acid, and acetic anhydride.
Claim 8
Dependent Claim
22 words
Tortilla dough of claim 4, in which the additive is a compound of the class consisting of propionic acid and propionic anhydride.
Claim 9
Dependent Claim
70 words
A process of producing tortilla dough which will produce tortillas of improved flexibility after storage without loss of moisture for a period of time, which comprises mixing nixtamalized corn or nixtamalized corn flour with water to make tortilla dough and incorporating in the dough from 1 to 4% on the weight of the tortillas of a compound of the class consisting of acetic acid and propionic acid and their anhydrides.
Claim 10
Dependent Claim
70 words
A process of producing tortilla dough which will produce tortillas of improved flexibility after storage without loss of moisture for a period of time, which comprises mixing nixtamalized corn or nixtamalized corn flour with water to make tortilla dough and incorporating in the dough from 1 to 4% on the weight of the tortillas of a compound of the class consisting of acetic acid and propionic acid and their anhydrides.
Claim 11
Dependent Claim
20 words
A process of claim 7, in which the compound is of the class consisting of acetic acid and acetic anhydride.
Claim 12
Dependent Claim
20 words
A process of claim 7, in which the compound is of the class consisting of propionic acid and propionic anhydride.
References Cited (Backward Citations)
US2485893A
Cited
US2584893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |