US3300431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabric and adhesive composition therefor
Assignee: Takeda Pharmaceutical Co Ltd
•
Filing: 1964-04-20
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Granted: 1967-01-24
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Ueno Kenzo
- 👤 Kamichika Murazi
- 👤 Sato Yukio
- 👤 Kabata Takuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:09
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; C; C08; C08F; C08F8/00; C08F8/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/625; C09; C09J; C09J157/00; C08L; C08L2666/00; C08L2666/02; C08L2666/14; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
ADHESIVE COMPOSITION FOR PREPARING NON-WOVEN FABRIC, WHICH COMPRISES (A) AN AQUEOUS DISPERSION CONTAINING POLYMER CONSISTING OF 1-30% BY WEIGHT OF CARBOXYLIC ACID HAVING POLYMERIZABLE DOUBLE BOND AND 99-70% BY WEIGHT OF COMPOUND HAVING POLYMERIZABLE DOUBLE BOND, THE CONTENT OF FREE CARBOXYL GROUPS BEING AT LEAST 0.3% BY WEIGHT RELATIVE TO THE POLYMER, AND (B) BLOCKED POLYFUNCTIONAL ISOCYANATE IN APPROXIMATELY 1-50% BY WEIGHT, THE RATIO OF BLOCKED POLYFUNCTIONAL ISOCYANATE RELATIVE TO POLYMER BEING APPROXIMATELY 0.01-2.5 BY WEIGHT.
Claim 2
Dependent Claim
76 words
ADHESIVE COMPOSITION FOR PREPARING NON-WOVEN FABRIC, WHICH COMPRISES (A) AN AQUEOUS DISPERSION CONTAINING POLYMER CONSISTING OF 1-30% BY WEIGHT OF CARBOXYLIC ACID HAVING POLYMERIZABLE DOUBLE BOND AND 99-70% BY WEIGHT OF COMPOUND HAVING POLYMERIZABLE DOUBLE BOND, THE CONTENT OF FREE CARBOXYL GROUPS BEING AT LEAST 0.3% BY WEIGHT RELATIVE TO THE POLYMER, AND (B) BLOCKED POLYFUNCTIONAL ISOCYANATE IN APPROXIMATELY 1-50% BY WEIGHT, THE RATIO OF BLOCKED POLYFUNCTIONAL ISOCYANATE RELATIVE TO POLYMER BEING APPROXIMATELY 0.01-2.5 BY WEIGHT.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |