US2777831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processable, storable, isocyanatemodified polyesters
Assignee: Goodyear Tire and Rubber Co
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Filing: 1952-08-22
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Granted: 1957-01-15
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Expires: 1972-08-22
Abstract
No abstract record available.
Inventors
- 👤 Nelson V Seeger
- 👤 Thomas G Mastin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:51
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7614; C08G18/7621; C08G18/08; C08G18/10; C08G18/28; C08G18/40; C08G18/42; C08G18/60; C08G18/606; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
THE PROCESSABLE, STORABLE ELASTOMERIC REACTION PRODUCT OF (A) A MATERIAL PREPARED FROM BIFUNCTIONAL INGREDIENTS INCLUDING AT LEAST ONE DIBASIC CARBOXYLIC ACID CONTAINING AT LEAST 3 CARBON ATOMS AND AT LEAST ONE COMPLEMENTARY BIFUNCTIONAL REACTANT IN WHICH THE FUNCTIONAL GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF THE HYDROXYL GROUP AND THE HYDROGEN-BEARING AMINO GROUPS, THE HYDROGEN-BEARING AMINO GROUPS BEING PRESENT IN AN AMOUNT NOT TO EXCEED 30% OF THE TOTAL FUNCTIONAL GROUPS OF SAID COMPLEMENTARY BIFUNCTIONAL REACTANT, SAID MATERIAL HAVING AN ACID NUMBER FROM 0 TO 12 AND THE SUM OF THE HYDROXYL AND ACID NUMBERS OF SAID MATERIAL BEING FROM 30 152, AND (B) AT LEAST ONE TOLYLENE DIISOCYANATE USED IN AN AMOUNT RANGING FROM 0.85 TO 1.10 MOLS PER MOL OF SAID MATERIAL.
Claim 2
Dependent Claim
125 words
THE PROCESSABLE, STORABLE ELASTOMERIC REACTION PRODUCT OF (A) A MATERIAL PREPARED FROM BIFUNCTIONAL INGREDIENTS INCLUDING AT LEAST ONE DIBASIC CARBOXYLIC ACID CONTAINING AT LEAST 3 CARBON ATOMS AND AT LEAST ONE COMPLEMENTARY BIFUNCTIONAL REACTANT IN WHICH THE FUNCTIONAL GROUPS ARE SELECTED FROM THE CLASS CONSISTING OF THE HYDROXYL GROUP AND THE HYDROGEN-BEARING AMINO GROUPS, THE HYDROGEN-BEARING AMINO GROUPS BEING PRESENT IN AN AMOUNT NOT TO EXCEED 30% OF THE TOTAL FUNCTIONAL GROUPS OF SAID COMPLEMENTARY BIFUNCTIONAL REACTANT, SAID MATERIAL HAVING AN ACID NUMBER FROM 0 TO 12 AND THE SUM OF THE HYDROXYL AND ACID NUMBERS OF SAID MATERIAL BEING FROM 30 152, AND (B) AT LEAST ONE TOLYLENE DIISOCYANATE USED IN AN AMOUNT RANGING FROM 0.85 TO 1.10 MOLS PER MOL OF SAID MATERIAL.
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) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |