US3244655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer latex
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1960-08-29
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Granted: 1966-04-05
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Charles I Sullivan
- 👤 Panayotis D Mallios
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:59
CPC Classifications
C; C09; C09D; C09D151/00; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C08F212/00; C08F212/02; C08F212/04; C08F22/00; C08F220/00; C08F220/02; C08F220/04; C08F220/06; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1802; C08F220/1804; C08F220/1808; C08F285/00; C08F293/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A PROCESS OF PREPARING AN INTERPOLYMER EMULSION THAT DRIES TO A GLOSSY, TACK-FREE WATER-RESISTANT FILM AT AMBIENT TEMPERATURE BY INTERPOLYMERIZING AT LEAST ONE MONOMER (A) THAT WHEN POLYMERIZED ALONE IS FILM-FORMING AND FORMS A SOFT POLYMER, MONOMER (A) BEING SELECTED FROM THE GROUP CONSISTING OF ESTERS OF ACRYLIC ACID AND AN ALKANOL OF UP TO EIGHT CARBON ATOMS AND ESTERS OF METHACRYLIC ACID AND AN ALKANOL OF FOUR TO TWELVE CARBON ATOMS; AT LEAST ONE POLYMERIZABLE MONOVINYLIDENE ARYL MONOMER (B) THAT WHEN POLYMERIZED BY ITSELF IS NON-FILMFORMING AND FORMS A HARD POLYMER, MONOMER (B) BEING SELECTED FROM THE GROUP CONSISTING OF STYRENE, RING-SUBSTITUTED STYRENES AND MIXTURES THEREOF WITH AN ESTER OF METHACRYLIC ACID AND AN ALKANOL OF UP TO THREE CARBON ATOMS, AND A MONOVINYLIDENE, ALPHA, BETA-UNSATURATED CARBOXYLIC ACID MONOMER (C) OF THE FORMULA
Claim 2
Dependent Claim
135 words
IN A PROCESS OF PREPARING AN INTERPOLYMER EMULSION THAT DRIES TO A GLOSSY, TACK-FREE WATER-RESISTANT FILM AT AMBIENT TEMPERATURE BY INTERPOLYMERIZING AT LEAST ONE MONOMER (A) THAT WHEN POLYMERIZED ALONE IS FILM-FORMING AND FORMS A SOFT POLYMER, MONOMER (A) BEING SELECTED FROM THE GROUP CONSISTING OF ESTERS OF ACRYLIC ACID AND AN ALKANOL OF UP TO EIGHT CARBON ATOMS AND ESTERS OF METHACRYLIC ACID AND AN ALKANOL OF FOUR TO TWELVE CARBON ATOMS; AT LEAST ONE POLYMERIZABLE MONOVINYLIDENE ARYL MONOMER (B) THAT WHEN POLYMERIZED BY ITSELF IS NON-FILMFORMING AND FORMS A HARD POLYMER, MONOMER (B) BEING SELECTED FROM THE GROUP CONSISTING OF STYRENE, RING-SUBSTITUTED STYRENES AND MIXTURES THEREOF WITH AN ESTER OF METHACRYLIC ACID AND AN ALKANOL OF UP TO THREE CARBON ATOMS, AND A MONOVINYLIDENE, ALPHA, BETA-UNSATURATED CARBOXYLIC ACID MONOMER (C) OF THE FORMULA
References Cited (Backward Citations)
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US2767153A
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US2790736A
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US2837444A
Cited
US2962465A
Cited
US2961421A
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |