US3296016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of microporous coating on substrate
Assignee: Goodrich Corp
•
Filing: 1963-10-31
•
Granted: 1967-01-03
•
Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Walter T Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/14; C; C08; C08J; C08J9/00; C08J9/28; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; D06N3/04; D06N3/06; C08J2201/00; C08J2201/04; C08J2201/054; C08J2201/0542; C08J2201/0544; Y; Y10; Y10S; Y10S264/00; Y10S264/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR FORMING A MICROPOROUS FILM WHICH COMPRISES FORMING A 3% TO 15% BY WEIGHT POLYMERIC SOLUTION OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF SUBSTANTIALLY LINEAR POLYURETHANE POLYMER, POLYVINYL CHLORIDE, AND MIXTURES THEREOF IN A HYGROSCOPIC SOLVENT AND SPRAYING SAID POLYMERIC SOLUTION ONTO A BASE STRATUM COINCIDENTALLY WITH A SPRAY OF NONSOLVENT FOR SAID POLYMER, SAID NONSOLVENT BEING COMPLETELY MISCIBLE WITH SAID HYGROSCOPIC POLYMER SOLVENT, SAID SPRAYS BEING MIXED AFTER THEY HAVE TRAVELED FAR ENOUGH FROM THEIR SOURCES TO FORM DISCRETE DROPLETS.
Claim 2
Dependent Claim
85 words
A PROCESS FOR FORMING A MICROPOROUS FILM WHICH COMPRISES FORMING A 3% TO 15% BY WEIGHT POLYMERIC SOLUTION OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF SUBSTANTIALLY LINEAR POLYURETHANE POLYMER, POLYVINYL CHLORIDE, AND MIXTURES THEREOF IN A HYGROSCOPIC SOLVENT AND SPRAYING SAID POLYMERIC SOLUTION ONTO A BASE STRATUM COINCIDENTALLY WITH A SPRAY OF NONSOLVENT FOR SAID POLYMER, SAID NONSOLVENT BEING COMPLETELY MISCIBLE WITH SAID HYGROSCOPIC POLYMER SOLVENT, SAID SPRAYS BEING MIXED AFTER THEY HAVE TRAVELED FAR ENOUGH FROM THEIR SOURCES TO FORM DISCRETE DROPLETS.
References Cited (Backward Citations)
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US2692873A
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US2871218A
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |