US3307544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical pressure-sensitive adhesive sheet with n-tert-butylacrylamide copolymer adhesive
Assignee: Goodrich Corp
•
Filing: 1963-09-10
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Granted: 1967-03-07
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Expires: 1983-09-10
Abstract
No abstract record available.
Inventors
- 👤 Robert J Gander
- 👤 Harold P Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:17
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/42; A61L15/58; C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1808; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/38; C09J7/381; C09J7/385; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2887; Y10T428/2891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A SURGICAL PRESSURE-SENSITIVE, ADHESIVE-COATED SHEET COMPRISING A FLEXIBLE BACKING MEMBER HAVING A PRESSURESENSITIVE ADHESIVE CONSISTING ESSENTIALLY OF A COPOLYMER OF ABOUT 65 TO 85 PARTS BY WEIGHT OF AN ALKYL ACRYLATE HAVING AN ALKYL GROUP OF AT LEAST SIX CARBON ATOMS AND 35 TO 15 PARTS BY WEIGHT N-TERT-BUTYLACRYLAMIDE, SAID COPOLYMER HAVING A WILLIAMS PLASTICITY OF ABOUT 1.3 TO 3.0 MM.
Claim 2
Dependent Claim
61 words
A SURGICAL PRESSURE-SENSITIVE, ADHESIVE-COATED SHEET COMPRISING A FLEXIBLE BACKING MEMBER HAVING A PRESSURESENSITIVE ADHESIVE CONSISTING ESSENTIALLY OF A COPOLYMER OF ABOUT 65 TO 85 PARTS BY WEIGHT OF AN ALKYL ACRYLATE HAVING AN ALKYL GROUP OF AT LEAST SIX CARBON ATOMS AND 35 TO 15 PARTS BY WEIGHT N-TERT-BUTYLACRYLAMIDE, SAID COPOLYMER HAVING A WILLIAMS PLASTICITY OF ABOUT 1.3 TO 3.0 MM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |