US4929774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable mixture containing oxidation-sensitive compounds, preparation thereof and use of a combination of substances for stabilizing oxidation-sensitive compounds
Assignee: BASF SE
•
Filing: 1989-01-27
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Granted: 1990-05-29
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Expires: 2009-01-27
Abstract
Abstract A stable mixture of an oxidation-sensitive compound contains triglycerides, complexing agents and coating substances as well as the oxidation-sensitive compound.
Inventors
- 👤 Chiharu Fukamachi
- 👤 Horst Schumacher
- 👤 Wolfgang Bewert
- 👤 Joachim Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:41
CPC Classifications
C; C09; C09K; C09K15/00; A; A61; A61K; A61K9/00; A61K9/14; A61K9/141; A61K9/143; A61K9/145; A61K9/16; A61K9/1605; A61K9/1611; A61K9/1617
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
47 words
A stable mixture containing an oxidation-sensitive compound selected from the group consisting of a fat-soluble vitamin and a carotenoid, a triglyceride, a complexing agent selected from the group consisting of phytic acid, phosphoric acid, meta-, pyro- or polyphosphoric acid and a salt thereof, and a coating substance.
Claim 2
Dependent Claim
47 words
A stable mixture containing an oxidation-sensitive compound selected from the group consisting of a fat-soluble vitamin and a carotenoid, a triglyceride, a complexing agent selected from the group consisting of phytic acid, phosphoric acid, meta-, pyro- or polyphosphoric acid and a salt thereof, and a coating substance.
Claim 3
Dependent Claim
12 words
A mixture as claimed in claim 1, which additionally contains an antioxidant.
Claim 4
Dependent Claim
14 words
A mixture as claimed in claim 1, wherein the triglyceride is a vegetable oil.
Claim 5
Dependent Claim
15 words
A mixture as claimed in claim 1, wherein the coating substance is a film former.
Claim 6
Dependent Claim
21 words
A mixture as claimed in claim 1, containing vitamin A or an ester thereof, phytic acid, a vegetable oil and gelatin.
Claim 7
Dependent Claim
23 words
A mixture as claimed in claim 1, in granular or pulverulent form having a particle size range of from 100 to 600 μm.
Claim 8
Dependent Claim
39 words
A process for preparing a mixture as claimed in claim 1, which comprises preparing a dispersion from an oxidation-sensitive compound, a triglyceride, a complexing agent and a coating substance and converting this dispersion by drying into a solid substance.
Claim 9
Dependent Claim
18 words
A process as claimed in claim 7, wherein an aqueous dispersion is prepared, dried and granulated or pulverized.
Claim 10
Dependent Claim
31 words
A mixture containing a triglyceride, a complexing agent selected from the group consisting of phytic acid, phosphoric acid, meta-, pyro- or polyphosphoric acid and a salt thereof, and a coating substance.
Claim 11
Dependent Claim
31 words
A mixture containing a triglyceride, a complexing agent selected from the group consisting of phytic acid, phosphoric acid, meta-, pyro- or polyphosphoric acid and a salt thereof, and a coating substance.
Claim 12
Dependent Claim
12 words
A mixture as claimed in claim 9, which additionally contain an antioxidant.
Claim 13
Dependent Claim
14 words
A mixture as claimed in claim 9, wherein the triglyceride is a vegetable oil.
Claim 14
Dependent Claim
15 words
A mixture as claimed in claim 9, wherein the coating substance is a film former.
Claim 15
Dependent Claim
15 words
A mixture as claimed in claim 9, containing phytic acid, a vegetable oil and gelatin.
Claim 16
Dependent Claim
23 words
A mixture as claimed in claim 9, in granular or pulverulent form having a particle size range of from 100 to 600 μm.
Claim 17
Dependent Claim
36 words
A process for preparing a mixture as claimed in claim 9, which comprises preparing a dispersion from a triglyceride, a complexing agent and a coating substance and converting this dispersion by drying into a solid substance.
Claim 18
Dependent Claim
18 words
A process as claimed in claim 15, wherein an aqueous dispersion is prepared, dried and granulated or pulverized.
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) | 1993-05-28 | 1993-11-27 | 1994-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-28 | 1997-11-27 | 1998-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-28 | 2001-11-27 | 2002-05-29 | $7700.00 | Window Closed / Lapsed |