US3455883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyisocyanates and derivatives
Assignee: General Mills Inc
•
Filing: 1963-01-09
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Granted: 1969-07-15
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Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Marwan R Kamal
- 👤 Edgar R Rogier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
C; C07; C07C; C07C265/00; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3225; C08G18/3246; C08G18/34; C08G18/38; C08G18/3855; C08G18/3876; C08G18/70; C08G18/72; C08G18/74; C08G18/75; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
51 words
A COMPOUND HAVING THE FORMULA: R(-(CH2)Y-NCO)X WHERE Y IS AN INTEGER SELECTED FROM 0 AND 1, X IS AN INTEGER OF 2 TO ABOUT 4, AND R IS THE HYDROCARBON GROUP OF POLYMERIC FAT ACIDS R(COOH)X, SAID POLYMERIC FAT ACIDS HAVING BEEN PREPARED BY POLYMERIZING FAT ACIDS OF 8-24 CARBON ATOMS.
Claim 2
Dependent Claim
51 words
A COMPOUND HAVING THE FORMULA: R(-(CH2)Y-NCO)X WHERE Y IS AN INTEGER SELECTED FROM 0 AND 1, X IS AN INTEGER OF 2 TO ABOUT 4, AND R IS THE HYDROCARBON GROUP OF POLYMERIC FAT ACIDS R(COOH)X, SAID POLYMERIC FAT ACIDS HAVING BEEN PREPARED BY POLYMERIZING FAT ACIDS OF 8-24 CARBON ATOMS.
Claim 3
Dependent Claim
19 words
A POLYMER PREPARED BY REACTING THE COMPOUND OF CLAIM 1 WITH A POLYFUNCTIONAL ORGANIC COMPOUND CONTAINING LABILE HYDROGEN ATOMS.
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |