US4214912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deacetylated borate-biosynthetic gum compositions
Assignee: Monsanto Co
•
Filing: 1979-06-04
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Granted: 1980-07-29
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Expires: 1999-06-04
Abstract
Abstract This invention relates to a deacetylated borate-biosynthetic gum or a partially deacetylated borate-biosynthetic gum having improved dispersion characteristics. The invention also relates to a method of preparing such compositions.
Inventors
- 👤 Joseph S. Racciato
- 👤 Ian W. Cottrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:02
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0033
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
24 words
A deacetylated borate-biosynthetic gum having enhanced dispersibility in water and which contains from about 0.5% to about 20% by weight of a borate compound.
Claim 2
Dependent Claim
24 words
A deacetylated borate-biosynthetic gum having enhanced dispersibility in water and which contains from about 0.5% to about 20% by weight of a borate compound.
Claim 3
Dependent Claim
10 words
An aqueous medium containing a gum according to claim 1.
Claim 4
Dependent Claim
9 words
A dry composition containing the gum of claim 1.
Claim 5
Dependent Claim
27 words
A gum according to claim 1 wherein the borate compound is present in an amount of from about 1.0% to about 5.0% by weight of the gum.
Claim 6
Dependent Claim
27 words
A deacetylated borate-xanthan gum of claim 1 wherein the borate compound is present in an amount from about 1.0% to about 5.0% by weight of the gum.
Claim 7
Dependent Claim
27 words
A deacetylated borate-S-7 gum of claim 1 wherein the borate compound is present in an amount from about 1.0% to about 5.0% by weight of the gum.
Claim 8
Dependent Claim
27 words
A deacetylated borate-S-10 gum of claim 1 wherein the borate compound is present in an amount from about 1.0% to about 5.0% by weight of the gum.
Claim 9
Dependent Claim
27 words
A deacetylated borate-S-21 gum of claim 1 wherein the borate compound is present in an amount from about 1.0% to about 5.0% by weight of the gum.
Claim 10
Dependent Claim
9 words
An aqueous medium containing the gum of claim 4.
Claim 11
Dependent Claim
9 words
A dry composition containing the gum of claim 4.
Claim 12
Dependent Claim
25 words
A partially deacetylated borate-biosynthetic gum having enhanced dispersibility in water and which contains from about 0.1% to about 20% by weight of a borate compound.
Claim 13
Dependent Claim
25 words
A partially deacetylated borate-biosynthetic gum having enhanced dispersibility in water and which contains from about 0.1% to about 20% by weight of a borate compound.
Claim 14
Dependent Claim
21 words
A gum according to claim 11 wherein the content of borate compound is from about 1.0% to about 5.0% by weight.
Claim 15
Dependent Claim
6 words
A borate-xanthan gum of claim 12.
Claim 16
Dependent Claim
24 words
A gum according to claim 1 which is prepared by reacting a biosynthetic gum with a borate compound at a pH greater than 7.
Claim 17
Dependent Claim
17 words
A gum according to claim 14 wherein the pH is from above about 7 to about 10.5.
Claim 18
Dependent Claim
16 words
A gum according to claim 15 wherein the pH is from about 9.0 to about 10.5.
Claim 19
Dependent Claim
6 words
A borate-xanthan gum of claim 16.
Claim 20
Dependent Claim
34 words
A process for preparing a borate biosynthetic gum comprising adjusting the pH of the fermentation beer containing a biosynthetic gum to between about 9.0 and about 10.5 in the presence of a borate compound.
Claim 21
Dependent Claim
34 words
A process for preparing a borate biosynthetic gum comprising adjusting the pH of the fermentation beer containing a biosynthetic gum to between about 9.0 and about 10.5 in the presence of a borate compound.
Claim 22
Dependent Claim
33 words
A process for preparing a borate biosynthetic gum comprising adding a borate compound to a fermentation beer containing a biosynthetic gum, the beer having a pH of from about 9.0 to about 10.5.
Claim 23
Dependent Claim
33 words
A process for preparing a borate biosynthetic gum comprising adding a borate compound to a fermentation beer containing a biosynthetic gum, the beer having a pH of from about 9.0 to about 10.5.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-29 | 1984-01-28 | 1984-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-29 | 1988-01-28 | 1988-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-29 | 1992-01-28 | 1992-07-29 | $7700.00 | Window Closed / Lapsed |