Patent US2888422A successfully refreshed from Google Patents.
US2888422A
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Film forming aqueous colloidal dispersions containing tris (hydroxymethyl) nitromethane and method for preparing same
Assignee: Dow Chemical Co
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Filing: 1957-07-01
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Granted: 1959-05-26
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert L Johnson
- 👤 Edgar M Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:53
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/024; C09D5/025; C09D5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN AQUEOUS COLLOIDAL DISPERSION COMPRISING (1) A SYNTHETIC LATEX CONTAINING IN THE DISPERSE PHASE A POLYMER OBTAINED BY POLYMERIZING AN OLEFINICALLY UNSATURATED MONOMER AND (2) FROM ABOUT 0.002 TO 1 PERCENT BY WEIGH OF TRIS (HYDROXYMETHYL)NITROMETHANE WHEREIN THE AMOUNT IS BASED ON THE TOTAL WEIGHT OF SYNTHETIC LATEX.
Claim 2
Dependent Claim
48 words
AN AQUEOUS COLLOIDAL DISPERSION COMPRISING (1) A SYNTHETIC LATEX CONTAINING IN THE DISPERSE PHASE A POLYMER OBTAINED BY POLYMERIZING AN OLEFINICALLY UNSATURATED MONOMER AND (2) FROM ABOUT 0.002 TO 1 PERCENT BY WEIGH OF TRIS (HYDROXYMETHYL)NITROMETHANE WHEREIN THE AMOUNT IS BASED ON THE TOTAL WEIGHT OF SYNTHETIC LATEX.
References Cited (Backward Citations)
US2231458A
Cited
US2426128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |