Patent EP0229652A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0229652A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Stabilized tocopherol in dry, particulate, free-flowing form

Assignee: Henkel Corp
•
Filing: 1987-01-13
•
Granted: —
•
Expires: 2007-01-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A dry, particulate, free-flowing form of Vitamin E (α-tocoph­erol) is provided which includes a potency stabilizer for the Vitamin E. The potency stabilizers are hydroxy acids or amino acids such as ascorbic acid, citric acid, methionine and cysteine.

Inventors

  • 👤 Bruce E. Wenzel
  • 👤 James P. Clar

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 23:04
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; A61K31/353; A61K31/355; A61K47/00; A61K47/06; A61K47/08; A61K47/12; A61K47/20; A61K47/22; A61P; A61P3/00; A61P3/02

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 34 words
A dry, particulate, free-flowing tocopherol compo­sition of a carrier and a tocopherol compound, charac­terized in that the composition contains a potency stabilizer in an amount effective to stabilize the potency of the tocopherol compound.
Claim 2
Dependent Claim 34 words
A dry, particulate, free-flowing tocopherol compo­sition of a carrier and a tocopherol compound, charac­terized in that the composition contains a potency stabilizer in an amount effective to stabilize the potency of the tocopherol compound.
Claim 3
Dependent Claim 16 words
A composition according to Claim l wherein said stabilizer is a hydroxy acid or amino acid.
Claim 4
Dependent Claim 28 words
A composition according to Claims l or 2 wherein said stabilizer is selected from the group consisting of ascorbic acid, citric acid, methionine and cysteine and mixtures thereof.
Claim 5
Dependent Claim 41 words
A composition according to any one of Claims l to 3 wherein said stabilizer is present in an amount of about 2-50 % by weight based on the total weight of tocopherol and stabilizer, preferably in an amount of l0-50 %.
Claim 6
Dependent Claim 30 words
A composition according to any one of Claims l to 4 wherein the weight ratio of tocopherol to stabilizer is from 98:2 to about l:l, preferably from l.5:l to 2:l.
Claim 7
Dependent Claim 67 words
A dry, potency stabilized, particulate, free-flow­ing tocopherol composition according to any one of Claims l to 5 comprising about 20-60 % by weight of the tocopherol compound and about 40-80 % by weight of carrier based on a total weight of carrier and toco­pherol compound and a potency stabilizer in an amount of about 2-50 % by weight based on total weight of stabilizer and tocopherol compound.
Claim 8
Dependent Claim 28 words
A composition according to any one of Claims l to 6 in which said carrier is selected from the group con­sisting of hyrolyzed gelatin, silica gel, and carbo­hydrates.
Claim 9
Dependent Claim 44 words
A composition according to Claim 6 wherein said stabilizer is selected from solely ascorbic acid or a mixture of ascorbic acid and cysteine or a mixture of citric acid and cysteine or solely citric acid or a mixture of ascorbic acid and citric acid.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag