US4157978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified silicates
Assignee: Procter and Gamble Co
•
Filing: 1978-03-13
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Granted: 1979-06-12
•
Expires: 1998-03-13
Abstract
Abstract {PG,1 The compound {r1 {tc,1 {rb M{HD (0{31 1){L {8 O({AB,4 {M,1 {AB,0 OM{MR,1 {AB,8 OM{MR,1 Si{ab,4 O){HD n{l {9 (TR{HD 2{L ){HD (1{31 2){RE {PS {PS wherein each M is selected from the group consisting of Na, K, H and mixtures thereof; n is the degree of polymerization and ranges from about 2 to about 1,000; T is selected from the group consisting of Al, Ti, Zn, Zr, Sn, V, Mo, W, Se, Ge and mixtures thereof; and R is an acyl group containing from about 2 to about 30 carbon atoms and from about 0 to about 5 additional carboxylate groups; detergent compositions containing said compound and similar capped compounds; and processes for preparing said compound.
Inventors
- 👤 Ramon A. Llenado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/025; B; B60; B60H; B60H1/00; B60H1/22; B60H1/2215; B60H1/2227; C07C; C07C51/00; C07C51/41; C07C51/412; C08; C08G; C08G77/00; C08G77/02; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/08; C11D3/16; C11D3/20; C11D3/2075
Claims Analysis
Total Claims: 52
Claim 1
Independent Claim
77 words
The compound ##STR3## wherein each M is selected from the group consisting of Na, K, H and mixtures thereof; n is the degree of polymerization and ranges from about 2 to about 1,000; T is selected from the group consisting of Al, Ti, Zn, Zr, Sn, V, Mo, W, Se, Ge and mixtures thereof, R is an acyl group containing from about 2 to about 30 carbon atoms and from 0 to about 5 additional carboxylate groups.
Claim 2
Dependent Claim
77 words
The compound ##STR3## wherein each M is selected from the group consisting of Na, K, H and mixtures thereof; n is the degree of polymerization and ranges from about 2 to about 1,000; T is selected from the group consisting of Al, Ti, Zn, Zr, Sn, V, Mo, W, Se, Ge and mixtures thereof, R is an acyl group containing from about 2 to about 30 carbon atoms and from 0 to about 5 additional carboxylate groups.
Claim 3
Dependent Claim
22 words
The compound of claim 1 wherein T is selected from the group consisting of Al, Ti, Zn, Zr, Sn and mixtures thereof.
Claim 4
Dependent Claim
9 words
The compound of claim 2 wherein M is sodium.
Claim 5
Dependent Claim
14 words
The compound of claim 3 wherein n is from about 2 to about 50.
Claim 6
Dependent Claim
9 words
The compound of claim 4 wherein T is aluminum.
Claim 7
Dependent Claim
14 words
The compound of claim 5 wherein R contains up to about 6 carbon atoms.
Claim 8
Dependent Claim
25 words
The compound of claim 6 wherein each R is selected from the group consisting of acetate, tartrate, citrate, lactate, adipate, succinate, propionate and mixtures thereof.
Claim 9
Dependent Claim
18 words
The compound of claim 7 wherein each R is selected from the group consisting of acetate and lactate.
Claim 10
Dependent Claim
9 words
The compound of claim 8 wherein R is acetate.
Claim 11
Dependent Claim
9 words
The compound of claim 8 wherein R is lactate.
Claim 12
Dependent Claim
9 words
The compound of claim 1 wherein T is aluminum.
Claim 13
Dependent Claim
25 words
The compound of claim 11 wherein each R is selected from the group consisting of acetate, tartrate, citrate, lactate, adipate, succinate, propionate and mixtures thereof.
Claim 14
Dependent Claim
18 words
The compound of claim 12 wherein each R is selected from the group consisting of acetate and lactate.
Claim 15
Dependent Claim
9 words
The compound of claim 12 wherein R is acetate.
Claim 16
Dependent Claim
9 words
The compound of claim 12 wherein R is lactate.
Claim 17
Dependent Claim
9 words
The compound of claim 1 wherein T is zinc.
Claim 18
Dependent Claim
14 words
The compound of claim 16 wherein n is from about 2 to about 50.
Claim 19
Dependent Claim
9 words
The compound of claim 1 wherein T is titanium.
Claim 20
Dependent Claim
14 words
The compound of claim 18 wherein n is from about 2 to about 50.
Claim 21
Dependent Claim
121 words
A spray dried detergent composition containing from about 3% to about 50% of a detergent surfactant; from about 1% to about 40% of a capped alkali metal silicate; and from about 5% to about 96% of a detergency builder other than said capped silicate wherein said capped silicate has the formula ##STR4## wherein each M is selected from the group consisting of Na, K, H and mixtures thereof; n is the degree of polymerization and ranges from about 2 to about 1,000; T is selected from the group consisting of Al, Ti, Zn, Zr, Sn and mixtures thereof, R is an acyl group containing from about 2 to about 30 carbon atoms and from 0 to about 5 additional carboxylic groups.
Claim 22
Dependent Claim
121 words
A spray dried detergent composition containing from about 3% to about 50% of a detergent surfactant; from about 1% to about 40% of a capped alkali metal silicate; and from about 5% to about 96% of a detergency builder other than said capped silicate wherein said capped silicate has the formula ##STR4## wherein each M is selected from the group consisting of Na, K, H and mixtures thereof; n is the degree of polymerization and ranges from about 2 to about 1,000; T is selected from the group consisting of Al, Ti, Zn, Zr, Sn and mixtures thereof, R is an acyl group containing from about 2 to about 30 carbon atoms and from 0 to about 5 additional carboxylic groups.
Claim 23
Dependent Claim
9 words
The composition of claim 20 wherein M is sodium.
Claim 24
Dependent Claim
14 words
The composition of claim 21 wherein n is from about 2 to about 50.
Claim 25
Dependent Claim
9 words
The composition of claim 22 wherein T is aluminum.
Claim 26
Dependent Claim
14 words
The composition of claim 23 wherein R contains up to about 6 carbon atoms.
Claim 27
Dependent Claim
25 words
The composition of claim 24 wherein each R is selected from the group consisting of acetate, tartrate, citrate, lactate, adipate, succinate, propionate and mixtures thereof.
Claim 28
Dependent Claim
18 words
The composition of claim 25 wherein each R is selected from the group consisting of acetate and lactate.
Claim 29
Dependent Claim
9 words
The composition of claim 26 wherein R is acetate.
Claim 30
Dependent Claim
9 words
The composition of claim 27 wherein R is lactate.
Claim 31
Dependent Claim
9 words
The composition of claim 20 wherein T is aluminum.
Claim 32
Dependent Claim
14 words
The composition of claim 29 wherein R contains up to about 6 carbon atoms.
Claim 33
Dependent Claim
25 words
The composition of claim 30 wherein each R is selected from the group consisting of acetate, tartrate, citrate, lactate, adipate, succinate, propionate and mixtures thereof.
Claim 34
Dependent Claim
18 words
The composition of claim 31 wherein each R is selected from the group consisting of acetate and lactate.
Claim 35
Dependent Claim
9 words
The composition of claim 31 wherein R is acetate.
Claim 36
Dependent Claim
9 words
The composition of claim 31 wherein R is lactate.
Claim 37
Dependent Claim
9 words
The composition of claim 20 wherein T is zinc.
Claim 38
Dependent Claim
14 words
The composition of claim 35 wherein n is from about 2 to about 50.
Claim 39
Dependent Claim
9 words
The composition of claim 20 wherein T is titanium.
Claim 40
Dependent Claim
14 words
The composition of claim 37 wherein n is from about 2 to about 50.
Claim 41
Dependent Claim
44 words
The composition of claim 20 containing from about 10% to about 28% of a detergent surfactant; from about 3% to about 25% of a capped alkali metal silicate; and from about 10% to about 85% of a detergency builder other than said capped silicate.
Claim 42
Dependent Claim
37 words
The process of preparing the detergent composition of claim 20 in which the detergent composition's components are mixed with from about 10% to about 50% water in a detergent crutcher and spray dried to form detergent granules.
Claim 43
Dependent Claim
37 words
The process of preparing the detergent composition of claim 20 in which the detergent composition's components are mixed with from about 20% to about 40% water in a detergent crutcher and spray dried to form detergent granules.
Claim 44
Dependent Claim
37 words
The process of preparing the detergent composition of claim 39 in which the detergent composition's components are mixed with from about 20% to about 30% water in a detergent crutcher and spray dried to form detergent granules.
Claim 45
Dependent Claim
107 words
The process for making the compound of claim 1 comprising reacting an alkali metal silicate having an SiO 2 :M 2 O ratio of less than 2 with a water soluble salt selected from the group consisting of Al, Ti, Zn, Zr, Sn, V, Mo, W, Se, and Ge salts and mixtures thereof in an aqueous solution at a temperature of from about 10° C. to about 90° C. and a pH of from about 9 to about 14, and, where said water soluble salt does not provide carboxylate radical R, reacting the intermediate product with a water soluble carboxylate providing the ion R in aqueous solution.
Claim 46
Dependent Claim
14 words
The process of claim 43 wherein said alkali metal silicate is a sodium silicate.
Claim 47
Dependent Claim
17 words
The process of claim 44 wherein said temperature is from about 55° C. to about 75° C.
Claim 48
Dependent Claim
15 words
The process of claim 45 wherein said pH is from about 11 to about 13.5.
Claim 49
Dependent Claim
23 words
The process of claim 45 wherein the SiO 2 :M 2 O ratio of said silicate is from about 1 to about 1.9.
Claim 50
Dependent Claim
18 words
The process of claim 47 wherein the ratio of said silicate is from about 1.4 to about 1.6.
Claim 51
Dependent Claim
15 words
The process of claim 44 wherein the pH is from about 11 to about 13.5.
Claim 52
Dependent Claim
23 words
The process of claim 48 wherein the SiO 2 :M 2 O ratio of said silicate is from about 1 to about 1.9.
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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) | 1982-06-11 | 1982-12-11 | 1983-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-06-11 | 1986-12-11 | 1987-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-06-11 | 1990-12-11 | 1991-06-12 | $7700.00 | Window Closed / Lapsed |