US4256615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive consisting essentially of a ricinoleate urethane polyol and a chlorinated rubber
Assignee: Synthetic Surfaces Inc
•
Filing: 1979-05-07
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Granted: 1981-03-17
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Expires: 1999-05-07
Abstract
Abstract An adhesive composition consisting essentially of a solution in a suitable solvent of a ricinoleate urethane polyol and a chlorinated rubber in which the chlorinated rubber represents no more than approximately 70% by weight of the combined polyol and rubber.
Inventors
- 👤 Norris R. Legue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
C; C09; C09J; C09J115/00; C09J115/02; C09J175/00; C09J175/04; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; C08L2666/14
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
48 words
An adhesive composition consisting essentially of a solution in a suitable solvent of (a) a ricinoleate urethane polyol, and (b) a chlorinated rubber having approximately 63% to 68% by weight chlorine and appearing in quantities no greater than approximately 70% by weight of the combined polyol and rubber.
Claim 2
Dependent Claim
48 words
An adhesive composition consisting essentially of a solution in a suitable solvent of (a) a ricinoleate urethane polyol, and (b) a chlorinated rubber having approximately 63% to 68% by weight chlorine and appearing in quantities no greater than approximately 70% by weight of the combined polyol and rubber.
Claim 3
Dependent Claim
51 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared from reacting an isocyanate having a functionality of at least 2 with a ricinoleate polyol having a functionality of at least 2 at an isocyanate to hydroxyl ratio (NCO/OH) no greater than approximately 0.9/1.0.
Claim 4
Dependent Claim
22 words
An adhesive composition in accordance with claim 1 in which (a) the said composition capable of cross-linking is an isocyanate terminated prepolymer.
Claim 5
Dependent Claim
24 words
An adhesive composition in accordance with claim 3 in which (a) the said prepolymer is prepared by reacting a ricinoleate polyol with isophorone diisocyanate.
Claim 6
Dependent Claim
24 words
An adhesive composition in accordance with claim 3 in which (a) the said prepolymer is prepared by reacting a ricinoleate polyol with diphenylmethane diisocyanate.
Claim 7
Dependent Claim
27 words
An adhesive composition in accordance with claim 3 in which (a) the said isocyanate terminated prepolymer is prepared by reacting a castor oil with the said isocyanate.
Claim 8
Dependent Claim
25 words
An adhesive composition in accordance with claim 2, in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with toluene diisocyanate.
Claim 9
Dependent Claim
20 words
An adhesive composition in accordance with claim 3 in which (a) the said prepolymer is an isocyanate terminated ricinoleate prepolymer.
Claim 10
Dependent Claim
24 words
An adhesive composition in accordance with claim 3 in which (a) the said prepolymer is prepared by reacting a ricinoleate polyol with toluene diisocyanate.
Claim 11
Dependent Claim
24 words
An adhesive composition in accordance with claim 3 in which (a) the said prepolymer is prepared by reacting a ricinoleate polyol with methylene-bis (4cyclohexylisocyanate).
Claim 12
Dependent Claim
25 words
An adhesive composition in accordance with claim 3 in which (a) the said isocyanate terminated prepolymer is prepared from reacting trimethylol propane with an isocyanate.
Claim 13
Dependent Claim
25 words
An adhesive composition in accordance with claim 2 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with diphenylmethane diisocyanate.
Claim 14
Dependent Claim
25 words
An adhesive composition in accordance with claim 2 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with methylene-bis (4-cyclohexylisocyanate).
Claim 15
Dependent Claim
25 words
An adhesive composition in accordance with claim 2 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with isophorone diisocyanate.
Claim 16
Dependent Claim
23 words
An adhesive composition in accordance with claim 1 in which (a) the chlorinated rubber is prepared by chlorinating the isoprene units of rubber.
Claim 17
Dependent Claim
25 words
An adhesive composition in accordance with claim 15 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with toluene diisocyanate.
Claim 18
Dependent Claim
25 words
An adhesive composition in accordance with claim 15 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with diphenylmethane diisocyanate.
Claim 19
Dependent Claim
24 words
An adhesive composition in accordance with claim 15 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with methylene-bis(4-cyclohexylisocyanate).
Claim 20
Dependent Claim
25 words
An adhesive composition in accordance with claim 15 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with isophorone diisocyanate.
Claim 21
Dependent Claim
25 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with toluene diisocyanate.
Claim 22
Dependent Claim
25 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with diphenylmethane diisocyanate.
Claim 23
Dependent Claim
25 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with methylene-bis (4-cyclohexylisocyanate).
Claim 24
Dependent Claim
25 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared by reacting a ricinoleate polyol with isophorone diisocyanate.
Claim 25
Dependent Claim
31 words
An adhesive composition in accordance with claim 1 in which (a) the ricinoleate urethane polyol is prepared by reacting an isocyanate having a functionality of at least 2 with castor oil.
Claim 26
Dependent Claim
24 words
An adhesive composition in accordance with claim 24 in which (a) the ricinoleate urethane polyol is prepared from reacting castor oil with diphenylmethane diisocyanate.
Claim 27
Dependent Claim
24 words
An adhesive composition in accordance with claim 24 in which (a) the ricinoleate urethane polyol is prepared from reacting castor oil with toluene diisocyanate.
Claim 28
Dependent Claim
24 words
An adhesive composition in accordance with claim 24 in which (a) the ricinoleate urethane polyol is prepared from reacting castor oil with isophorone diisocyanate.
Claim 29
Dependent Claim
24 words
An adhesive composition in accordance with claim 24 in which (a) the ricinoleate urethane polyol is prepared by reacting methylene-bis (4-cyclohexylisocyanate) with castor oil.
Claim 30
Dependent Claim
42 words
An adhesive composition in accordance with any one of claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 21, 22, 23, 24, 25, 26, 27 or 28 and (a) a composition capable of cross-linking the ricinoleate urethane poloyl.
Claim 31
Dependent Claim
27 words
An adhesive composition in accordance with claim 29 in which, (a) the said composition capable of cross-linking is an isocyanate having a functionality of at least 2.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |