US3255138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylamide derivative homopolymers and copolymers and aqueous emulsions thereof
Assignee: Bayer AG
•
Filing: 1961-12-27
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Granted: 1966-06-07
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Kruckenberg Winfried
- 👤 Scriba Gottfried
- 👤 Langmann Werner
- 👤 Dinges Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:05
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/347; C; C08; C08F; C08F2/00; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/62; C08F28/00; D06M15/227; D06M15/233; D06M15/285; D06M15/327; D06M15/333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
A COMPOSITON USEFUL FOR FINISHING FIBER SUBSTRATES, PRINTING AND DYEING PURPOSED COMPRISING A POLYMER OF A MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
20 words
A COMPOSITON USEFUL FOR FINISHING FIBER SUBSTRATES, PRINTING AND DYEING PURPOSED COMPRISING A POLYMER OF A MONOMER OF THE FORMULA:
References Cited (Backward Citations)
US2807597A
Cited
US3067161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |