US3303241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride adhesives containing polyallyl ester plasticizers
Assignee: A Boake Roberts and Co Ltd
•
Filing: 1964-06-02
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Granted: 1967-02-07
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Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Moorshead Thomas Courtney
- 👤 Hopf Peter Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:02
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C08K; C08K5/00; C08K5/04; C09J; C09J127/00; C09J127/02; C09J127/04; C09J127/06; C09J4/00; C09J4/06; C08L; C08L2666/00; C08L2666/28; C08L2666/34; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD OF OBTAINING A POLYMER-COATED SUBSTRATE, WHICH METHOD COMPRISES: PREPARING A MIXTURE CONSISTING ESSENTIALLY OF A VINYL CHLORIDE POLYMER AND A PLOY-ALLYL ESTER OF A MONO-GLYCOL BIS-(POLYCARBOXYLATE) ESTER ACID OF THE GENERAL FORMULA HO2CRCO.OZO.OCRCO2H WHEREIN R IS THE RESIDUE OF AN ANHYDRIDE OF THE FORMULA
Claim 2
Independent Claim
46 words
A METHOD OF OBTAINING A POLYMER-COATED SUBSTRATE, WHICH METHOD COMPRISES: PREPARING A MIXTURE CONSISTING ESSENTIALLY OF A VINYL CHLORIDE POLYMER AND A PLOY-ALLYL ESTER OF A MONO-GLYCOL BIS-(POLYCARBOXYLATE) ESTER ACID OF THE GENERAL FORMULA HO2CRCO.OZO.OCRCO2H WHEREIN R IS THE RESIDUE OF AN ANHYDRIDE OF THE FORMULA
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |