US3267083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reprocessable crosslinked polymeric compositions
Assignee: Union Carbide Corp
•
Filing: 1963-06-07
•
Granted: 1966-08-16
•
Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Lawrence G Imhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:16
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/057; C08K5/0008; C08K5/0025; C08K5/09; C08K5/098; Y; Y10; Y10S; Y10S260/00; Y10S260/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
REPROCESSABLE CROSSLINKED POLYMERIC COMPOSITION COMPRISING PER 100 PARTS BY WEIGHT OF POLYOLEFIN-BASED POLYMER HAVING A MELT INDEX OF FROM ABOUT 0 TO 1000 AND CONTAINING IN ITS BACKBONE FROM ABOUT 0.1 TO 15 PERCENT BY WEIGHT, CALCULATED AS FREE CARBOXYL GROUP, OF PENDANT ACID GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYL AND ANHYDRIDE, FROM ABOUT 0.05 TO 150 PARTS BY WEIGHT OF CROSSLINKING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL ALKANOATES CONTAINING FROM 3 TO ABOUT 12 CARBON ATOMS IN THE ALKANE CHAIN, SALICYLATES, NAPHTHENATES AND ACETONATES, SAID POLYVALENT METAL BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS IIA, IIB, IIIA, IVA, IVB, VIB, AND VIII OF THE DEMING PERIODIC TABLE.
Claim 2
Dependent Claim
116 words
REPROCESSABLE CROSSLINKED POLYMERIC COMPOSITION COMPRISING PER 100 PARTS BY WEIGHT OF POLYOLEFIN-BASED POLYMER HAVING A MELT INDEX OF FROM ABOUT 0 TO 1000 AND CONTAINING IN ITS BACKBONE FROM ABOUT 0.1 TO 15 PERCENT BY WEIGHT, CALCULATED AS FREE CARBOXYL GROUP, OF PENDANT ACID GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYL AND ANHYDRIDE, FROM ABOUT 0.05 TO 150 PARTS BY WEIGHT OF CROSSLINKING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL ALKANOATES CONTAINING FROM 3 TO ABOUT 12 CARBON ATOMS IN THE ALKANE CHAIN, SALICYLATES, NAPHTHENATES AND ACETONATES, SAID POLYVALENT METAL BEING SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS IIA, IIB, IIIA, IVA, IVB, VIB, AND VIII OF THE DEMING PERIODIC TABLE.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |