US3761435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of acrylic ester and vinyl halide monomers with alkyd monomers
Assignee: Individual
•
Filing: 1971-10-28
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Granted: 1973-09-25
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Expires: 1991-10-28
Abstract
Abstract POLYMERS OF ACRYLIC ESTERS AND VINYL HALIDES CONTAINING ALKYD MONOMERS COPOLYMERIZED THEREWITH ARE USEFUL AS BLINDERS FOR PAPER AND OTHER NONWOVEN MATERIALS, THE MATTERIALS BOUND WITH SUCH POLYMERS EXHIBIT INCREASED WET TENSILE STRENGHT AND INCREASED HEAT STABILITY TO DISCOLORATION.
Inventors
- 👤 R Backderf
- 👤 G Antlfinger
- 👤 M Bodzash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:39
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/46; C08G63/48; C08F; C08F214/00; C08F214/02; C08F220/00; C08F220/02; C08F220/10; C08L; C08L33/00; C08L33/04; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; D06M15/37; D06M15/507; D06M15/51; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/37
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |