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US4607099A
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Stabilization of xanthan gum in aqueous solution
Assignee: Mitsubishi Chemical Corp
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Filing: 1984-12-03
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Granted: 1986-08-19
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Expires: 2004-12-03
Abstract
Abstract A method of stabilizing an aqueous solution of xanthan gum is described, comprising incorporating at least one stabilizing agent selected from the group consisting of 2-mercaptobenzimidazole and derivatives thereof in an aqueous solution of xanthan gum.
Inventors
- 👤 Shoichi Kanda
- 👤 Jun Hosoda
- 👤 Zengiro Kawamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:01
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86; C09K8/88; C09K8/90; C09K8/905; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C09K8/02; C09K8/04; C09K8/06; C09K8/08; Y; Y10; Y10S; Y10S507/00; Y10S507/935; Y10S507/936
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
67 words
A method of stabilizing a aqueous solution of xanthan gum comprising incorporating at least one stabilizing agent selected from the group consisting of 2-mercaptobenzimidazole and derivatives thereof represented by the formula (I) ##STR2## wherein R 1 , R 2 , R 3 , and R 4 each represents hydrogen, methyl, or ethyl, and X represents hydrogen, alkali metal, or ammonium in an aqueous solution of xanthan gum.
Claim 2
Independent Claim
67 words
A method of stabilizing a aqueous solution of xanthan gum comprising incorporating at least one stabilizing agent selected from the group consisting of 2-mercaptobenzimidazole and derivatives thereof represented by the formula (I) ##STR2## wherein R 1 , R 2 , R 3 , and R 4 each represents hydrogen, methyl, or ethyl, and X represents hydrogen, alkali metal, or ammonium in an aqueous solution of xanthan gum.
Claim 3
Dependent Claim
26 words
A method as in claim 1, wherein the aqueous solution of xanthan gum has a xanthan gum concentration of from about 0.0001 to 10% by weight.
Claim 4
Dependent Claim
31 words
A method as in claim 2, wherein the stabilizing agent is used in an amount of from 0.1 to 20 parts by weight per 100 parts by weight of xanthan gum.
Claim 5
Dependent Claim
31 words
A method as in claim 1, wherein the stabilizing agent is used in an amount of from 0.1 to 20 parts by weight per 100 parts by weight of xanthan gum.
Claim 6
Dependent Claim
26 words
A method as in claim 1, wherein the aqueous solution of xanthan gum has a xanthan gum concentration of from about 0.0001 to 5% by weight.
Claim 7
Dependent Claim
31 words
A method as in claim 5, wherein the stabilizing agent is used in an amount of from 0.1 to 20 parts by weight per 100 parts by weight of xanthan gum.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-08-18 | 1990-02-17 | 1990-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-18 | 1994-02-17 | 1994-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-18 | 1998-02-17 | 1998-08-19 | $7700.00 | Window Closed / Lapsed |