Patent US3742697A successfully refreshed from Google Patents.
Patent US3700715A successfully refreshed from Google Patents.
US3700715A
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US
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Polyaminoalkylthioalkyl silanes
Assignee: General Electric Co
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Filing: 1971-08-23
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Granted: 1972-10-24
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Expires: 1991-08-23
Abstract
Abstract WHERE R and R1 are independently selected from monovalent hydrocarbon radicals, R9, R10 and R11 are selected from the class consisting of hydrogen, alkyl radicals and aryl radicals, A is selected from hydrogen, alkyl radicals, aryl radicals and amino alkyl radicals, j varies from 2 to 20, w varies from 1 to 500 and varies from 0 to 2. The novel compounds are useful as flocculants for colloidal organic matter. A novel class of silicone compounds of the formula,
Inventors
- 👤 Abe Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:36
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
19 words
The silicone compound of claim 1 wherein R and R1 are methyl and R9, R10 and R11 are hydrogen.
Claim 2
Dependent Claim
14 words
The silicone compound of claim 1 wherein the compound has the formula, (CH3O)3Si CH2CH2CH2SCH2CH2NHCH2CH2NH2.
Claim 3
Independent Claim
10 words
A method for producing a silicone compound of the formula,
Claim 4
Dependent Claim
18 words
The method of claim 4 wherein the two reactants are reacted with each other in a 1:1 ratio.
Claim 5
Dependent Claim
11 words
The method of claim 4 wherein an acid catalyst is used.
Claim 6
Dependent Claim
23 words
The method of claim 6 wherein the acid catalyst is selected from ammonium chloride, aluminum chloride, zinc chloride, stannic chloride and mercurous chloride.
Claim 7
Dependent Claim
19 words
The method of claim 4 wherein the reaction is carried out at a temperature of 60* - 120* C.
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) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |