US3079365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric blends of chloroprene polymers and polymers of 2, 3-dichloro-1, 3-butadiene
Assignee: EIDP Inc
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Filing: 1961-03-07
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Granted: 1963-02-26
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Donald E Andersen
- 👤 Kurt L Seligman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:40
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; C08L; C08L11/00; C08L15/00; C08L15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ELASTOMERIC COMPOSITION COMPRISING AN INTIMATE BLEND OF (A) FROM ABOUT 50 TO 75 PERCENT BY WEIGHT OF A BENZENE-SOLUBLE SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF CHLOROPRENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF CHLOROPRENE AND UP TO ABOUT 20 PERCENT BY WEIGHT OF 2,3-DICHLORO-1,3-BUTADIENE AND (B) FROM ABOUT 50 TO 25 PERCENT BY WEIGHT OF A XYLENE-SOLUBLE SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF 2,3-DICHLORO-1,3-BUTADIENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF 2,3DICHLORO-1,3-BUTADIENE AND UP TO ABOUT 15 PERCENT BY WEIGHT OF CHLOROPRENE, WITH THE PROVISO THAT WHEN THE PERCENTAGE OF COMPONENT (A) IN THE BLEND IS LESS THAN 55 PERCENT, COMPONENT (B) MUST BE A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF 2,3DICHLORO-1,3-BUTADIENE AND FROM ABOUT 7 TO 15 PERCENT BY WEIGHT OF CHLOROPRENE.
Claim 2
Dependent Claim
148 words
AN ELASTOMERIC COMPOSITION COMPRISING AN INTIMATE BLEND OF (A) FROM ABOUT 50 TO 75 PERCENT BY WEIGHT OF A BENZENE-SOLUBLE SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF CHLOROPRENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF CHLOROPRENE AND UP TO ABOUT 20 PERCENT BY WEIGHT OF 2,3-DICHLORO-1,3-BUTADIENE AND (B) FROM ABOUT 50 TO 25 PERCENT BY WEIGHT OF A XYLENE-SOLUBLE SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF A HOMOPOLYMER OF 2,3-DICHLORO-1,3-BUTADIENE AND A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF 2,3DICHLORO-1,3-BUTADIENE AND UP TO ABOUT 15 PERCENT BY WEIGHT OF CHLOROPRENE, WITH THE PROVISO THAT WHEN THE PERCENTAGE OF COMPONENT (A) IN THE BLEND IS LESS THAN 55 PERCENT, COMPONENT (B) MUST BE A COPOLYMER PREPARED BY POLYMERIZING A MIXTURE OF MONOMERS CONSISTING OF 2,3DICHLORO-1,3-BUTADIENE AND FROM ABOUT 7 TO 15 PERCENT BY WEIGHT OF CHLOROPRENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |