Patent US3840520A successfully refreshed from Google Patents.
US3840520A
Expired / Lapsed
US
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Cross-linking agent for cyanoethyl ethers of galactomannan
Assignee: General Mills Chemicals Inc
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Filing: 1972-05-19
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Granted: 1974-10-08
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Expires: 1992-05-19
Abstract
Abstract 1. IN COMPOSITION COMPRISING A CYANOETHYL ETHER OF A GALACTOMANNAN DISPERSED IN AND SOLVATED BY AN ORGANIC LIQUID CONTAINING LESS THAN ABOUT 2% WATER BY WEIGHT, THE IMPROVEMENT CONSISTING OF INCLUDING AS A CROSS-LINKING AGENT IN SAID COMPOSITION A TETRAALKYL TITANATE WHEREIN SAID ALKYL RADICALS CONTAIN THREE TO FOUR CARBON ATOMS.
Inventors
- 👤 R Nordgren
- 👤 C Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:20
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7766; C09K11/7767; C09K11/7769; C09K11/7771; C08; C08L; C08L5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
IN COMPOSITION COMPRISING A CYANOETHYL ETHER OF A GALACTOMANNAN DISPERSED IN AND SOLVATED BY AN ORGANIC LIQUID CONTAINING LESS THAN ABOUT 2% WATER BY WEIGHT, THE IMPROVEMENT CONSISTING OF INCLUDING AS A CROSS-LINKING AGENT IN SAID COMPOSITION A TETRAALKYL TITANATE WHEREIN SAID ALKYL RADICALS CONTAIN THREE TO FOUR CARBON ATOMS.
Claim 2
Dependent Claim
50 words
IN COMPOSITION COMPRISING A CYANOETHYL ETHER OF A GALACTOMANNAN DISPERSED IN AND SOLVATED BY AN ORGANIC LIQUID CONTAINING LESS THAN ABOUT 2% WATER BY WEIGHT, THE IMPROVEMENT CONSISTING OF INCLUDING AS A CROSS-LINKING AGENT IN SAID COMPOSITION A TETRAALKYL TITANATE WHEREIN SAID ALKYL RADICALS CONTAIN THREE TO FOUR CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |