US3842027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl chloride polymer powders
Assignee: Union Carbide Corp
•
Filing: 1973-06-26
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Granted: 1974-10-15
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Expires: 1993-06-26
Abstract
Abstract 1. A FREE FLOWING POWDER COMPRISING FROM 75 TO 82 PARTS BY WEIGHT OF A VINYL CHLORIDE/VINYL ACETATE/MALEIC ACID TERPOLYMER AND FROM 18 TO 25 PATS BY WEIGHT OF A PLASTICIZER DITRIDECYL PHTHALATE, TRIISODECYL TTRIMELLITATE, OR MIXTURES THEREOF, THE MONOMERS BEING PRESENT IN SAID TERPOLUMER IN AMOUNTS OF ABOUT FROM 78 TO 88/11 TO 19/0.1 TO 3 WEIGHT PERCENT RESPECTIVELY.
Inventors
- 👤 S Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; Y; Y10; Y10S; Y10S524/00; Y10S524/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A FREE FLOWING POWDER COMPRISING FROM 75 TO 82 PARTS BY WEIGHT OF A VINYL CHLORIDE/VINYL ACETATE/MALEIC ACID TERPOLYMER AND FROM 18 TO 25 PATS BY WEIGHT OF A PLASTICIZER DITRIDECYL PHTHALATE, TRIISODECYL TTRIMELLITATE, OR MIXTURES THEREOF, THE MONOMERS BEING PRESENT IN SAID TERPOLUMER IN AMOUNTS OF ABOUT FROM 78 TO 88/11 TO 19/0.1 TO 3 WEIGHT PERCENT RESPECTIVELY.
Claim 2
Dependent Claim
59 words
A FREE FLOWING POWDER COMPRISING FROM 75 TO 82 PARTS BY WEIGHT OF A VINYL CHLORIDE/VINYL ACETATE/MALEIC ACID TERPOLYMER AND FROM 18 TO 25 PATS BY WEIGHT OF A PLASTICIZER DITRIDECYL PHTHALATE, TRIISODECYL TTRIMELLITATE, OR MIXTURES THEREOF, THE MONOMERS BEING PRESENT IN SAID TERPOLUMER IN AMOUNTS OF ABOUT FROM 78 TO 88/11 TO 19/0.1 TO 3 WEIGHT PERCENT RESPECTIVELY.
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) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |