US2981637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating of fabrics
Assignee: Individual
•
Filing: 1958-03-31
•
Granted: 1961-04-25
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Spencer David Patrick
- 👤 Bourne Hector Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; C; C08; C08L; C08L75/00; C08L75/04; C08L75/06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/564; D06N3/12; D06N3/14; D06N3/142; D06N3/144; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31562; Y10T428/31565; Y10T428/31573; Y10T428/31576; Y10T428/3158; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2861; Y10T442/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A COATING COMPOSITION COMPRISING BETWEEN 5% AND 30% BY WEIGHT OF TRI 2-1''-4-(3''-ISOCYANATO-4''''-METHYLPHENYL)CARBAMATO-3 METHYL PENTANE; BETWEEN 50% AND 70% BY WEIGHT OF THE PRODUCT OF REACTION OF DIETHYLENE GLYCOL HEXANE TRIOL ADIPATE WITH LESS THAN THE STOICHIOMETRIC PROPORTION OF THE TOLUENE DISOCYANATE; BETWEEN 5% AND 40% BY WEIGHT OF A VINYL TERPOLYMER FORMED BY THE COPOLYMERISATION VINYL TERPOLYMER FORMED BY AN ALPHA-BETA-UNSATURATED DICARBOXYLIC ACID OF THE FORMULA HOOOC(CH2)MCH=CH.COOH, WHERE N VARIES BY WHOLE NUMBERS BETWEEN 0 AND 3; THE COMPOSITION LIMITES BEING, BY WEIGHT: PERCENT VINYL CHLORIDE ------------------------ 80.0 TO 90.0 VINYL ACETATE ------------------------ 19.7 TO 7.0 ALPHA-BETA-UNSATURATED DICARBOXYLIX ACID -- 0.3 TO 3.0 0.2% BY WEIGHT OF A PLASTICISING POLYESTER FORMED BY THE CONDENSATION OF AN ALPHA-OMEGA DICARBOXYLIC ACID WITH AN ALPHA-OMEGA DIOL, AN EXCESS OF HYDROXY GROUPS BEING PRESENT; AND UP TO 5% BY WEIGHT OF A CATALYST WHICH IS A TERTIARY AMINE.
Claim 2
Dependent Claim
145 words
A COATING COMPOSITION COMPRISING BETWEEN 5% AND 30% BY WEIGHT OF TRI 2-1''-4-(3''-ISOCYANATO-4''''-METHYLPHENYL)CARBAMATO-3 METHYL PENTANE; BETWEEN 50% AND 70% BY WEIGHT OF THE PRODUCT OF REACTION OF DIETHYLENE GLYCOL HEXANE TRIOL ADIPATE WITH LESS THAN THE STOICHIOMETRIC PROPORTION OF THE TOLUENE DISOCYANATE; BETWEEN 5% AND 40% BY WEIGHT OF A VINYL TERPOLYMER FORMED BY THE COPOLYMERISATION VINYL TERPOLYMER FORMED BY AN ALPHA-BETA-UNSATURATED DICARBOXYLIC ACID OF THE FORMULA HOOOC(CH2)MCH=CH.COOH, WHERE N VARIES BY WHOLE NUMBERS BETWEEN 0 AND 3; THE COMPOSITION LIMITES BEING, BY WEIGHT: PERCENT VINYL CHLORIDE ------------------------ 80.0 TO 90.0 VINYL ACETATE ------------------------ 19.7 TO 7.0 ALPHA-BETA-UNSATURATED DICARBOXYLIX ACID -- 0.3 TO 3.0 0.2% BY WEIGHT OF A PLASTICISING POLYESTER FORMED BY THE CONDENSATION OF AN ALPHA-OMEGA DICARBOXYLIC ACID WITH AN ALPHA-OMEGA DIOL, AN EXCESS OF HYDROXY GROUPS BEING PRESENT; AND UP TO 5% BY WEIGHT OF A CATALYST WHICH IS A TERTIARY AMINE.
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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |