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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
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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 04:07
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)

US2410089A Cited
US2570253A Cited
US2662064A Cited
US2588543A Cited

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

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