US4340682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive consisting essentially of an isocyanate terminated ricinoleate prepolymer and a chlorinated polyvinyl chloride
Assignee: Synthetic Surfaces Inc
•
Filing: 1981-05-07
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Granted: 1982-07-20
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Expires: 2001-05-07
Abstract
Abstract A curable urethane adhesive composition having a high green strength consisting essentially of a mixture of an isocyanate terminated ricinoleate prepolymer and chlorinated polyvinyl chloride curable by reaction with compounds having reactive hydrogens such as water, amines, polyols, urethanes, ureas and the like.
Inventors
- 👤 Norris R. Legue
- 👤 Myron Shapiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:21
CPC Classifications
C; C09; C09J; C09J127/00; C09J127/22; C09J127/24; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/36; C08G18/38; C08G18/3819; C08G18/3823; C08L; C08L27/00; C09J175/00; C09J175/04; Y; Y10; Y10S; Y10S524/00; Y10S524/906
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
71 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight, and (b) a chlorinated polyvinyl chloride resin appearing in quantities no more than approximately 90% by weight of the mixture of the combined chlorinated polyvinyl chloride and the said prepolymer.
Claim 2
Dependent Claim
71 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight, and (b) a chlorinated polyvinyl chloride resin appearing in quantities no more than approximately 90% by weight of the mixture of the combined chlorinated polyvinyl chloride and the said prepolymer.
Claim 3
Dependent Claim
42 words
A curable adhesive composition in accordance with claim 1 in which (a) the said prepolymer is prepared by reacting an isocyanate having an average functionality of at least 2 with a ricinoleate polyol having an average hydroxyl functionality of at least 2.
Claim 4
Dependent Claim
26 words
A curable adhesive composition in accordance with claim 1 in which (a) the said chlorinated polyvinyl chloride is prepared by post chlorinating a polyvinyl chloride resin.
Claim 5
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 1 in which (a) the prepolymer is prepared by reacting toluene diisocyanate with a ricinoleate polyol.
Claim 6
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 2 in which (a) the prepolymer is prepared by reacting toluene diisocyanate with a ricinoleate polyol.
Claim 7
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 3 in which (a) the prepolymer is prepared by reacting toluene diisocyanate with a ricinoleate polyol.
Claim 8
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 1 in which (a) the prepolymer is prepared by reacting diphenylmethane diisocyanate with a ricinoleate polyol.
Claim 9
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 2 in which (a) the prepolymer is prepared by reacting diphenylmethane diisocyanate with a ricinoleate polyol.
Claim 10
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 3 in which (a) the prepolymer is prepared by reacting diphenylmethane diisocyanate with a ricinoleate polyol.
Claim 11
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 1 in which (a) the prepolymer is prepared by reacting isophorone diisocyanate with a ricinoleate polyol.
Claim 12
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 2 in which (a) the prepolymer is prepared by reacting isophorone diisocyanate with a ricinoleate polyol.
Claim 13
Dependent Claim
24 words
A curable adhesive composition in accordance with claim 3 in which (a) the prepolymer is prepared by reacting isochorone diisocyanate with a ricinoleate polyol.
Claim 14
Dependent Claim
56 words
A curable adhesive composition in accordance with any one of claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 or 12 in which (a) the prepolymer is prepared by reacting an isocyanate having a functionality of at least 2 with a ricinoleate polyol composed mostly of the triglyceride of ricinoleic acid (castor oil).
Claim 15
Dependent Claim
69 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight, and (b) a chlorinated polyvinyl chloride resin and an agent having an active hydrogen capable of reacting with the isocyanate terminated ricinoleate prepolymer to produce a curable adhesive.
Claim 16
Dependent Claim
69 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight, and (b) a chlorinated polyvinyl chloride resin and an agent having an active hydrogen capable of reacting with the isocyanate terminated ricinoleate prepolymer to produce a curable adhesive.
Claim 17
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 14 in which (a) the said agent is a polyol.
Claim 18
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 14 in which (a) the said agent is an amine.
Claim 19
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 14 in which (a) the said agent is a urethane.
Claim 20
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 14 in which (a) the said agent is a urea.
Claim 21
Dependent Claim
69 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight and a chlorinated polyvinyl chloride resin, and (b) an agent having an active hydrogen capable of reacting with the isocyanate terminated ricinoleate prepolymer to produce a curable adhesive.
Claim 22
Dependent Claim
69 words
A curable adhesive composition consisting essentially of a solution in a suitable solvent of (a) an isocyanate terminated ricinoleate prepolymer having an available isocyanate content exclusive of solvent and expressed as 100% solids at least as high as 2% by weight and a chlorinated polyvinyl chloride resin, and (b) an agent having an active hydrogen capable of reacting with the isocyanate terminated ricinoleate prepolymer to produce a curable adhesive.
Claim 23
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 19 in which (a) the said agent is a polyol.
Claim 24
Dependent Claim
18 words
A curable adhesive composition in accordance with claim 19 in which (a) the said agent is an amine.
Claim 25
Dependent Claim
17 words
A curable composition in accordance with claim 19 in which (a) the said agent is a urethane.
Claim 26
Dependent Claim
17 words
A curable composition in accordance with claim 19 in which (a) the said agent is a urea.
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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) | 1985-07-19 | 1986-01-18 | 1986-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-19 | 1990-01-18 | 1990-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-19 | 1994-01-18 | 1994-07-20 | $7700.00 | Window Closed / Lapsed |