Patent US943728A successfully refreshed from Google Patents.
Patent US3232899A successfully refreshed from Google Patents.
US3232899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reconstitutable latex
Assignee: Arco Polymers Inc
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Filing: 1962-05-02
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Granted: 1966-02-01
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Leonard F Guziak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:45
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; Y; Y10; Y10S; Y10S526/00; Y10S526/909; Y10S526/911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
92 words
METHOD OF FORMING A PRODUCT THAT IS RECONSTITUTABLE INTO A LATEX CONSISTING ESSENTIALLY OF THE STEPS OF: COPOLYMERIZING 20-60 PARTS OF A VINYL ARYL MONOMER, 10-40 PARTS OF A COPOLYMERIZABLE ALKYL ACRYLIC ESTER WHEREIN SAID ALKYL CONTAINS FROM 1-20 CARBON ATOMS AND 15-40 PARTS OF A COPOLYMERIZABLE UNSATURATED CARBOXYLIC ACID IN AN ACIDIC AQUEOUS MEDIUM TO PRODUCE AN EMULSION HAVING A PARTICLE SIZE OF 0.1-0.3 MICRON, AND THEREAFTER DRYING THE EMULSION SO FORMED TO OBTAIN DRIED POLYMER PARTICLES WHICH ARE RECONTITUTABLE INTO A LATEX UPON THE ADDITON OF WATER AND A BASE.
Claim 2
Dependent Claim
92 words
METHOD OF FORMING A PRODUCT THAT IS RECONSTITUTABLE INTO A LATEX CONSISTING ESSENTIALLY OF THE STEPS OF: COPOLYMERIZING 20-60 PARTS OF A VINYL ARYL MONOMER, 10-40 PARTS OF A COPOLYMERIZABLE ALKYL ACRYLIC ESTER WHEREIN SAID ALKYL CONTAINS FROM 1-20 CARBON ATOMS AND 15-40 PARTS OF A COPOLYMERIZABLE UNSATURATED CARBOXYLIC ACID IN AN ACIDIC AQUEOUS MEDIUM TO PRODUCE AN EMULSION HAVING A PARTICLE SIZE OF 0.1-0.3 MICRON, AND THEREAFTER DRYING THE EMULSION SO FORMED TO OBTAIN DRIED POLYMER PARTICLES WHICH ARE RECONTITUTABLE INTO A LATEX UPON THE ADDITON OF WATER AND A BASE.
Claim 3
Dependent Claim
64 words
A MATERIAL THAT IS RECONSTITUTABLE INTO A LATEX HAVING A PARTICLE SIZE OF 0.1 TO 0.3 MICRON UON THE ADDITON OF WATER, SAID WATER BEING ADDED IN A SUFFICIENT AMOUNT TO GIVE A MIXTURE HAVING A SOLIDS CONTENT FROM 30-55% BY WEIGHT AND A BASE SO AS TO ADJUST THE PH OF THE MIXTURE TO BETWEEN 8 AND 10 CONSISTING ESSENTIALLY OF THE DRIED
Claim 4
Dependent Claim
64 words
A MATERIAL THAT IS RECONSTITUTABLE INTO A LATEX HAVING A PARTICLE SIZE OF 0.1 TO 0.3 MICRON UON THE ADDITON OF WATER, SAID WATER BEING ADDED IN A SUFFICIENT AMOUNT TO GIVE A MIXTURE HAVING A SOLIDS CONTENT FROM 30-55% BY WEIGHT AND A BASE SO AS TO ADJUST THE PH OF THE MIXTURE TO BETWEEN 8 AND 10 CONSISTING ESSENTIALLY OF THE DRIED
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |