US3218189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Styrene-butadiene/vinyl acetate-containing polymer primer compositions for coating polyethylene substrates and the coated products
Assignee: WR Grace and Co
•
Filing: 1962-05-17
•
Granted: 1965-11-16
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Richard B Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:09
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10; C08; C08J; C08J7/00; C08J7/04; C08J7/043; C08J7/048; C09D131/00; C09D131/02; C09D135/00; C09D135/02; B; B05; B05D; B05D7/00; B05D7/02; B05D7/04; B05D7/50; B05D7/52; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/10; C08L9/00; C08L9/06; C08L9/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A COMPOSITION FOR PRIMING POLYETHYLENE SURFACES WHICH CONSISTS OF A BUTADIENE-STYRENE POLYMER LATEX COMPRISED OF 20 TO 80 PERCENT BUTADIENE AND 80 TO 20 PERCENT STYRENE AND A VINYL ACETATE-CONTAINING POLYMER EMULSION COMPRISED OF 30 TO 50 PERCENT OF VINYL ACETATE COPOLYMERIZED WITH 70 TO 50 PERCENT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A DIALKYL ESTER HAVING 4 TO 12 CARBON ATOMS IN EACH ALKYL CHAIN OF AN ALPHA, BETA-UNSATURATED DICARBOXYLIC ACID HAVING 3 TO 6 CARBON ATOMS; (B) A MONOALKYL ESTER HAVING 8 TO 12 CARBON ATOMS IN THE ALKYL CHAIN OF AN ALPHA, BETA-SATURATED MONOCARBOXYLIC ACID HAVING 3 TO 6 CARBON ATOMS; AND (C) MIXTURES OF ESTERS (A) AND (B), SAID BUTADIENE-STYRENE LATEX COMPRISING 70 TO 98 PERCENT AND SAID VINYL ACETATE-CONTAINING POLYMER COMPRISING 30 TO 2 PERCENT OF SAID COMPOSITION BASED ON A DRY WEIGHT.
Claim 2
Dependent Claim
142 words
A COMPOSITION FOR PRIMING POLYETHYLENE SURFACES WHICH CONSISTS OF A BUTADIENE-STYRENE POLYMER LATEX COMPRISED OF 20 TO 80 PERCENT BUTADIENE AND 80 TO 20 PERCENT STYRENE AND A VINYL ACETATE-CONTAINING POLYMER EMULSION COMPRISED OF 30 TO 50 PERCENT OF VINYL ACETATE COPOLYMERIZED WITH 70 TO 50 PERCENT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (A) A DIALKYL ESTER HAVING 4 TO 12 CARBON ATOMS IN EACH ALKYL CHAIN OF AN ALPHA, BETA-UNSATURATED DICARBOXYLIC ACID HAVING 3 TO 6 CARBON ATOMS; (B) A MONOALKYL ESTER HAVING 8 TO 12 CARBON ATOMS IN THE ALKYL CHAIN OF AN ALPHA, BETA-SATURATED MONOCARBOXYLIC ACID HAVING 3 TO 6 CARBON ATOMS; AND (C) MIXTURES OF ESTERS (A) AND (B), SAID BUTADIENE-STYRENE LATEX COMPRISING 70 TO 98 PERCENT AND SAID VINYL ACETATE-CONTAINING POLYMER COMPRISING 30 TO 2 PERCENT OF SAID COMPOSITION BASED ON A DRY WEIGHT.
References Cited (Backward Citations)
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US2824025A
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US3101292A
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US3075857A
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US3138431A
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |