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US5232729A Expired / Lapsed US ⏱️ 0.0 years remaining

Whey protein gel and a process for producing the same

Assignee: JNC Corp
•
Filing: 1992-02-12
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Granted: 1993-08-03
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Expires: 2012-02-12
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Abstract

Abstract A whey protein gel which is transparent, thermostable, usable as food and is highly safe without damaging the nutritive value of whey protein, and a process for producing the gel are provided, which gel comprises whey protein dissolved or dispersed in water or a buffer solution and poly-L-lysine or its salt, and which process comprises adding poly-L-lysine or its salt to a solution or dispersion of whey protein in water or a buffer solution to effect gelation.

Inventors

  • 👤 Keiko Katsuta
  • 👤 Jun Hiraki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 23:50
CPC Classifications
A; A23; A23J; A23J3/00; A23J3/04; A23J3/08

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 22 words
A whey protein gel comprising whey protein dissolved or dispersed in water or a buffer solution and a poly-L-lysine or its salt.
Claim 2
Dependent Claim 22 words
A whey protein gel comprising whey protein dissolved or dispersed in water or a buffer solution and a poly-L-lysine or its salt.
Claim 3
Dependent Claim 43 words
A whey protein gel according to claim 1, comprising a solution or dispersion including 8 to 70% by weight of whey protein and 0.01 to 1 part by weight of poly-L-lysine or its salt based upon one part by weight of whey protein.
Claim 4
Dependent Claim 28 words
A whey protein gel according to claim 1, wherein said poly-L-lysine or its salt is selected from the group consisting of α-poly-L-lysine, its salt, ε-poly-L-lysine and its salt.
Claim 5
Dependent Claim 28 words
A whey protein gel according to claim 2, wherein said poly-L-lysine or its salt is selected from the group consisting of α-poly-L-lysine, its salt, ε-poly-L-lysine and its salt.
Claim 6
Dependent Claim 21 words
A whey protein gel according to claim 1, wherein said salt of poly-L-lysine is an inorganic salt or an organic salt.
Claim 7
Dependent Claim 21 words
A whey protein gel according to claim 2, wherein said salt of poly-L-lysine is an inorganic salt or an organic salt.
Claim 8
Dependent Claim 36 words
A process for producing a whey protein gel comprising adding poly-L-lysine or its salt to a solution or dispersion obtained by dissolving or dispersing a whey protein in water or a buffer solution to effect gelation.
Claim 9
Dependent Claim 36 words
A process for producing a whey protein gel comprising adding poly-L-lysine or its salt to a solution or dispersion obtained by dissolving or dispersing a whey protein in water or a buffer solution to effect gelation.
Claim 10
Dependent Claim 50 words
A process for producing a whey protein gel according to claim 7, comprising adding to a whey protein solution or dispersion containing 8 to 70% by weight of whey protein, 0.01 to 1 part by weight of poly-L-lysine or its salt based upon one part by weight of whey protein.

References Cited (Backward Citations)

GB2052515A Cited
US4364966A Cited
US4460615A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-08-02 1997-02-01 1997-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-08-02 2001-02-01 2001-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-08-02 2005-02-01 2005-08-03 $7700.00 Window Closed / Lapsed

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