US4363669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersible xanthan gum blends
Assignee: Monsanto Co
•
Filing: 1979-12-05
•
Granted: 1982-12-14
•
Expires: 1999-12-05
Abstract
Abstract Glyoxal treated xanthan gum is dry blended with non-dispersible plant gums. These blends exhibit excellent dispersibility in water.
Inventors
- 👤 Ian W. Cottrell
- 👤 Paul A. Sandford
- 👤 John K. Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:23
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0033; C08L; C08L5/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
48 words
A dispersible, dry blend of glyoxal-treated xanthan gum and a non-dispersible plant gum selected from the group consisting of guar gum, tara gum, cold-water soluble tamarind gum, and cold-water soluble locust bean gum wherein the xanthan to plant gum weight:weight ratio ranges from about 50:50 to about 25:75.
Claim 2
Dependent Claim
48 words
A dispersible, dry blend of glyoxal-treated xanthan gum and a non-dispersible plant gum selected from the group consisting of guar gum, tara gum, cold-water soluble tamarind gum, and cold-water soluble locust bean gum wherein the xanthan to plant gum weight:weight ratio ranges from about 50:50 to about 25:75.
Claim 3
Dependent Claim
11 words
A blend of claim 1 wherein the ratio is about 25:75.
Claim 4
Dependent Claim
12 words
A blend of claim 1 wherein the plant gum is guar gum.
Claim 5
Dependent Claim
12 words
A blend of claim 1 wherein the plant gum is tara gum.
Claim 6
Dependent Claim
14 words
A blend of claim 1 wherein the plant gum is cold-water soluble tamarind gum.
Claim 7
Dependent Claim
15 words
A blend of claim 1 wherein the plant gum is cold-water soluble locust bean gum.
Claim 8
Dependent Claim
15 words
A blend of claims 3, 4, 5, or 6 wherein the ratio is about 25:75.
Claim 9
Dependent Claim
54 words
A process for preparing a dispersible blend which comprises blending glyoxal treated xanthan gum with a non-dispersible plant gum selected from the group consisting of guar gum, tara gum, cold-water soluble tamarind gum, and cold-water locust bean gum wherein the weight:weight ratio of xanthan to plant gum ranges from about 50:50 to about 25:75.
Claim 10
Dependent Claim
54 words
A process for preparing a dispersible blend which comprises blending glyoxal treated xanthan gum with a non-dispersible plant gum selected from the group consisting of guar gum, tara gum, cold-water soluble tamarind gum, and cold-water locust bean gum wherein the weight:weight ratio of xanthan to plant gum ranges from about 50:50 to about 25:75.
Claim 11
Dependent Claim
11 words
The process of claim 8 wherein the ratio is about 25:75.
Claim 12
Dependent Claim
12 words
The process of claim 8 wherein the plant gum is guar gum.
Claim 13
Dependent Claim
14 words
The process of claim 8 wherein the plant gum is cold-water soluble tamarind gum.
Claim 14
Dependent Claim
14 words
The process of claim 10 or claim 11 wherein the ratio is about 25:75.
References Cited (Backward Citations)
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US3765918A
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US3855149A
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US4041234A
Cited
US4145454A
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Cited
US4246037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-13 | 1986-06-14 | 1986-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-13 | 1990-06-14 | 1990-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-13 | 1994-06-14 | 1994-12-14 | $7700.00 | Window Closed / Lapsed |