US3219476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of encapsulation of aerosols by in situ polymerization
Assignee: SRI International Inc
•
Filing: 1963-07-10
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Granted: 1965-11-23
•
Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert C Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/44; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/14; C08F36/00; C08F36/02; C08F36/04; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987; Y10T428/2989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE METHOD OF ENCAPSULATING AEROSOL PRODUCTS COMPRISING: INTIMATELY CONTACTING SAID AEROSOL PARTICLES WITH AN UNSATURATED ORGANIC MONOMER SELECTED FROM THE GROUP CONSISTING OF DIOLEFINS, POLYOLEFINS, VINYL ESTERS AND ESTERS OF A,B-UNSATURATED ACIDS, SAID MONOMERS HAVING FROM 4 TO 25 CARBON ATOMS, AND CAUSING SAID MONOMERS TO POLYMERIZE ON SAID AEROSOL PARTICLES THEREBY ENCAPSULATING SAID AEROSOL PARTICLES.
Claim 2
Independent Claim
56 words
THE METHOD OF ENCAPSULATING AEROSOL PRODUCTS COMPRISING: INTIMATELY CONTACTING SAID AEROSOL PARTICLES WITH AN UNSATURATED ORGANIC MONOMER SELECTED FROM THE GROUP CONSISTING OF DIOLEFINS, POLYOLEFINS, VINYL ESTERS AND ESTERS OF A,B-UNSATURATED ACIDS, SAID MONOMERS HAVING FROM 4 TO 25 CARBON ATOMS, AND CAUSING SAID MONOMERS TO POLYMERIZE ON SAID AEROSOL PARTICLES THEREBY ENCAPSULATING SAID AEROSOL PARTICLES.
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |