US3284545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing and stabilizing aids for vinyl chloride resins
Assignee: Rohm and Haas Co
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Filing: 1964-12-08
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Granted: 1966-11-08
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harry J Cenci
- 👤 Marvin J Hurwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:49
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/14; C07; C07D; C07D305/00; C07D305/02; C07D305/04; C07D305/06; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A HOMOGENOUS VINYL CHLORIDE RESIN COMPOSITION COMPRISING A POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE WITH MINOR PROPORTIONS OF OTHER ETHYLENICALLY UNSATURATED MONOMERS AND, BLENDED THEREWITH, A PROCESSING AND STABLIZING AMOUNT OF AN ACRYLIC COPOLYMER OF 20 TO 98.5 PARTS METHYL METHACRYLATE, 0.5 TO 40 PARTS OF ETHYL ACRYLATE, AND 3 TO 40 PARTS OF AN ETHER ESTER OF THE FORMULA 3-(CH2=C(-R1)-COO-CH2-),3-R-OXETANE IN WHICH R IS AN ALKYL GROUP OF ONE TO FOUR CARBON ATOMS, AND R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, ALL PARTS BEING WEIGHT.
Claim 2
Dependent Claim
100 words
A HOMOGENOUS VINYL CHLORIDE RESIN COMPOSITION COMPRISING A POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE AND COPOLYMERS OF VINYL CHLORIDE WITH MINOR PROPORTIONS OF OTHER ETHYLENICALLY UNSATURATED MONOMERS AND, BLENDED THEREWITH, A PROCESSING AND STABLIZING AMOUNT OF AN ACRYLIC COPOLYMER OF 20 TO 98.5 PARTS METHYL METHACRYLATE, 0.5 TO 40 PARTS OF ETHYL ACRYLATE, AND 3 TO 40 PARTS OF AN ETHER ESTER OF THE FORMULA 3-(CH2=C(-R1)-COO-CH2-),3-R-OXETANE IN WHICH R IS AN ALKYL GROUP OF ONE TO FOUR CARBON ATOMS, AND R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL, ALL PARTS BEING WEIGHT.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |