US3189581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure sensitive adhesives comprising interpolymers of alkylacrylates, vinyl esters and n-alkoxyalkyl acrylamides
Assignee: PPG Industries Inc
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Filing: 1961-06-05
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Granted: 1965-06-15
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Donald P Hart
- 👤 Roger M Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:08
CPC Classifications
C; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58; C08F218/00; C08F218/02; C08F218/04; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1804; C08F220/1808; C09J131/00; C09J131/02; C09J131/04; C09J2301/00; C09J2301/30; C09J2301/302; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2887; Y10T428/2891; Y10T428/31504; Y10T428/31786; Y10T428/31855; Y10T428/31935; Y10T428/31971; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2754
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PRESSURE-SENSITIVE ADHESIVE COMPOSITION CONSISTING ESSENTIALLY OF AN INTERPOLYMER OF: (A) FROM ABOUT 40 TO ABOUT 99.9 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
28 words
A PRESSURE-SENSITIVE ADHESIVE COMPOSITION CONSISTING ESSENTIALLY OF AN INTERPOLYMER OF: (A) FROM ABOUT 40 TO ABOUT 99.9 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND OF THE FORMULA:
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |