US3165489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives from copolymers of ethylene and n-vinyl-n-methyl-acetamide
Assignee: Union Carbide Corp
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Filing: 1963-03-06
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Granted: 1965-01-12
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Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence E Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:06
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C08; C08F; C08F226/00; C08F226/02; C09J139/00; C08L; C08L2666/00; C08L2666/28; C08L2666/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A NORMALLY LIQUID SOLUTION OF (1) A COPOLYMER OF ETHYLENE AND N-METHYL-N-VINYL ACETAMIDE, SAID COPOLYMER HAVING A MELT INDEX OF FROM 10 TO 500 DECIGRAMS PER MINUTE AND CONTAINING FROM 25 TO 50 WEIGHT PERCENT POLYMERIZED N-METHYL-N-VINYL ACETAMIDE,THE BALANCE BEING POLYMERIZED ETHYLENE, IN (2) A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ACYCLIC ESTERS AND KETONES HAVING A BOILING POINT OF FROM 75*C. TO 130*C., SAID SOLUTION HAVING A VISCOSITY AT ROOM TEMPERATURE OF UP TO 10,000 CENTISTOKES.
Claim 2
Dependent Claim
78 words
A NORMALLY LIQUID SOLUTION OF (1) A COPOLYMER OF ETHYLENE AND N-METHYL-N-VINYL ACETAMIDE, SAID COPOLYMER HAVING A MELT INDEX OF FROM 10 TO 500 DECIGRAMS PER MINUTE AND CONTAINING FROM 25 TO 50 WEIGHT PERCENT POLYMERIZED N-METHYL-N-VINYL ACETAMIDE,THE BALANCE BEING POLYMERIZED ETHYLENE, IN (2) A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ACYCLIC ESTERS AND KETONES HAVING A BOILING POINT OF FROM 75*C. TO 130*C., SAID SOLUTION HAVING A VISCOSITY AT ROOM TEMPERATURE OF UP TO 10,000 CENTISTOKES.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |