US3843566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Macroreticular vinyl benzyl chloride polymers
Assignee: Rohm and Haas Co
•
Filing: 1973-04-16
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Granted: 1974-10-22
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Expires: 1993-04-16
Abstract
Abstract 1. A CROSSLINKED MACRORETICULAR POLYMER OF VINYLBENZYL CHLORIDE CONAINING FROM 0.1 TO 30% BY WEIGHT OF CROSSLINKER.
Inventors
- 👤 J Barrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:21
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; C08J9/286; B; B01; B01J; B01J41/00; B01J41/08; B01J41/12; B01J41/14; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/14; C08F212/16; C08F212/18; C08F8/00; C08F8/44; C08F2810/00; C08F2810/20; C08J2325/00; C08J2325/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CROSSLINKED MACRORETICULAR POLYMER OF VINYLBENZYL CHLORIDE CONAINING FROM 0.1 TO 30% BY WEIGHT OF CROSSLINKER.
Claim 2
Dependent Claim
16 words
A CROSSLINKED MACRORETICULAR POLYMER OF VINYLBENZYL CHLORIDE CONAINING FROM 0.1 TO 30% BY WEIGHT OF CROSSLINKER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |