US2870115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of vinyl chloride homopolymer and chloroprene hompolymer and method of making same
Assignee: Union Carbide Corp
•
Filing: 1953-10-14
•
Granted: 1959-01-20
•
Expires: 1973-10-14
Abstract
No abstract record available.
Inventors
- 👤 Juel P Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:47
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
PROCESS CONSISTING OF ADMIXING AN AQUEOUS EMULSION OF A VINYL CHLORIDE HOMOPOLYMER WITH AN AQUEOUS CHLOROPRENE HOMOPOLYMER LATEX THERBY OBTAINING AN EMULSION CONTAINING TWO PARTS BY WEIGHT VINYL CHLORIDE HOMOPOLYMER PER ONE PART BY WEIGHT CHLOROPRENE HOMOPOLYMER ON A SOLIDS BASIS, ADDING THERETO AS AQUEOUS EMULSIONS A STABILIZER FOR THE VINYL CHLORIDE HOMOPOLYMER, AND AN ANTIOXIDANT FOR THE CHLOROPRENE HOMOPOLYMER, COAGULATING THE RESULTANT EMULSION AND RECOVERING THE COAGULANT.
Claim 2
Dependent Claim
68 words
PROCESS CONSISTING OF ADMIXING AN AQUEOUS EMULSION OF A VINYL CHLORIDE HOMOPOLYMER WITH AN AQUEOUS CHLOROPRENE HOMOPOLYMER LATEX THERBY OBTAINING AN EMULSION CONTAINING TWO PARTS BY WEIGHT VINYL CHLORIDE HOMOPOLYMER PER ONE PART BY WEIGHT CHLOROPRENE HOMOPOLYMER ON A SOLIDS BASIS, ADDING THERETO AS AQUEOUS EMULSIONS A STABILIZER FOR THE VINYL CHLORIDE HOMOPOLYMER, AND AN ANTIOXIDANT FOR THE CHLOROPRENE HOMOPOLYMER, COAGULATING THE RESULTANT EMULSION AND RECOVERING THE COAGULANT.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |