Patent US2833737A successfully refreshed from Google Patents.
US2833737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetate emulsion
Assignee: WR Grace and Co
•
Filing: 1954-12-30
•
Granted: 1958-05-06
•
Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jacob G Mark
- 👤 Rubinstein David
- 👤 Norman G Tompkins
- 👤 Anthony J Urjil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:10
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C04; C04B; C04B24/00; C04B24/24; C04B24/26; C04B24/2623; C04B24/2664; C04B28/00; C04B28/02; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F218/08; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A COMPOSITION OF MATTER COMPRISING IN COMBINATION AN AQUEOUS DISPERSION OF THE COPOLYMER FORMED BY THE EMULSION POLYMERIZATION AND VINYL ACETATE AND THE DI-ESTER OF A BUTENEDIOIC ACID AND AN ALIPHATIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHANOL, 1-BUTANOL, PROPANOL, 1,4-DIMETHYL-L BUTANOL AND 2-ETHYL-L-HEXANOL, THE SAID MONOMERIC INGREDIENTS BEING PRESENT IN THE PROPORTION OF 821/2 TO 671/2 PARTS BY WEIGHT OF VINYL ACETATE AND 171/2 TO 321/2 PARTS BY WEIGHT OF THE DI-ESTER AND FROM 5 TO 17 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF THE COPOLYMER SOLIDS, OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXYLENE GLYCOL, 3-CHORO-1,2-PROPANEDIOL, 2-(BETA BUTOXY ETHOXY)ETHANOL, 2-BUTOXY ETHANOL ACETATE AND DI-PROPYLENE GLYCOL.
Claim 2
Dependent Claim
112 words
A COMPOSITION OF MATTER COMPRISING IN COMBINATION AN AQUEOUS DISPERSION OF THE COPOLYMER FORMED BY THE EMULSION POLYMERIZATION AND VINYL ACETATE AND THE DI-ESTER OF A BUTENEDIOIC ACID AND AN ALIPHATIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ETHANOL, 1-BUTANOL, PROPANOL, 1,4-DIMETHYL-L BUTANOL AND 2-ETHYL-L-HEXANOL, THE SAID MONOMERIC INGREDIENTS BEING PRESENT IN THE PROPORTION OF 821/2 TO 671/2 PARTS BY WEIGHT OF VINYL ACETATE AND 171/2 TO 321/2 PARTS BY WEIGHT OF THE DI-ESTER AND FROM 5 TO 17 PARTS BY WEIGHT, PER 100 PARTS BY WEIGHT OF THE COPOLYMER SOLIDS, OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXYLENE GLYCOL, 3-CHORO-1,2-PROPANEDIOL, 2-(BETA BUTOXY ETHOXY)ETHANOL, 2-BUTOXY ETHANOL ACETATE AND DI-PROPYLENE GLYCOL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |