US2561796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin-haloaromatic copolymer and preparation thereof
Assignee: Standard Oil Development Co
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Filing: 1946-11-09
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Granted: 1951-07-24
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Expires: 1966-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Hollyday
- 👤 William J Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:14
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F212/00; C08F212/02; C08F212/04; C08F212/14; C08F212/16; C08F212/18; C08F212/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PRODUCT HAVING AN AVERAGE MOLECULARR WEIGHT OF AT LEAST 1000 AND CONSISTING OF A SOLID OIL-SOLUBLE POLYMERIZATION PRODUCT OF A REACTION MIXTURE CONSISTING OF 70% TO 99.7% OF A LOWER ALIPHATIC OLEFIN HAVING NOT MORE THAN 8 CARBON ATOMS AND 0.3% TO 30% BY WEIGHT OF A POLYMERIZABLE MONO-OLEFINIC RING-HALOGENATED AROMATIC HYDROCARBON, HE ARITHMETIC PRODUCT OF THE PER CENT OF HALOAROMATIC COMPOUND TIMES THE NUMBER OF HALOGEN ATOMS IN THE MOLELCULE BEING EQUAL TO 1 TO 30.
Claim 2
Dependent Claim
78 words
A PRODUCT HAVING AN AVERAGE MOLECULARR WEIGHT OF AT LEAST 1000 AND CONSISTING OF A SOLID OIL-SOLUBLE POLYMERIZATION PRODUCT OF A REACTION MIXTURE CONSISTING OF 70% TO 99.7% OF A LOWER ALIPHATIC OLEFIN HAVING NOT MORE THAN 8 CARBON ATOMS AND 0.3% TO 30% BY WEIGHT OF A POLYMERIZABLE MONO-OLEFINIC RING-HALOGENATED AROMATIC HYDROCARBON, HE ARITHMETIC PRODUCT OF THE PER CENT OF HALOAROMATIC COMPOUND TIMES THE NUMBER OF HALOGEN ATOMS IN THE MOLELCULE BEING EQUAL TO 1 TO 30.
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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |