Patent US1981579A successfully refreshed from Google Patents.
Patent US3340217A successfully refreshed from Google Patents.
US3340217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinked interpolymer latex of styrene, an unsaturated carboxylic acid, an unsaturated glycidyl compound and divinyl-benzene
Assignee: Morton International LLC
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Filing: 1963-12-11
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Granted: 1967-09-05
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 Woodruff Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:03
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/233; C; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F22/00; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3746; C11D3/3757; C11D3/3761; C11D3/3765; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/32; C08F220/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CROSS-LINKED INTERPOLYMER LATEX, SAID INTERPOLYMER COMPRISING IN CROSS-LINKED POLYMERIZED FORM FROM 78 TO 96 PARTS BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE AND METHYLATED STYRENE, FROM 1 TO 20 PARTS BY WEIGHT OF AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC ACID, ACRYLIC ACID AND ITACONIC ACID, FROM 1 TO 20 PARTS BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL METHACRYLATE AND GLYCIDYL ACRYLATE, AND UP TO TWO PARTS BY WEIGHT OF DIVINYLBENZENE, THE PROPORTIONS OF SAID MONOMERS BEING SELECTED TO TOTAL 100 PARTS BY WEIGHT IN THE AGGREGATE, SAID LATEX BEING FURTHER CHARACTERIZED IN BEING RESISTANT TO COAGULATION BY METHANOL.
Claim 2
Dependent Claim
113 words
A CROSS-LINKED INTERPOLYMER LATEX, SAID INTERPOLYMER COMPRISING IN CROSS-LINKED POLYMERIZED FORM FROM 78 TO 96 PARTS BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF STYRENE AND METHYLATED STYRENE, FROM 1 TO 20 PARTS BY WEIGHT OF AN UNSATURATED ACID SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC ACID, ACRYLIC ACID AND ITACONIC ACID, FROM 1 TO 20 PARTS BY WEIGHT OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF GLYCIDYL METHACRYLATE AND GLYCIDYL ACRYLATE, AND UP TO TWO PARTS BY WEIGHT OF DIVINYLBENZENE, THE PROPORTIONS OF SAID MONOMERS BEING SELECTED TO TOTAL 100 PARTS BY WEIGHT IN THE AGGREGATE, SAID LATEX BEING FURTHER CHARACTERIZED IN BEING RESISTANT TO COAGULATION BY METHANOL.
References Cited (Backward Citations)
CA665725A
Cited
US2604463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |