US3836377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanoacrylate adhesive composition
Assignee: Individual
•
Filing: 1972-12-07
•
Granted: 1974-09-17
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Expires: 1992-12-07
Abstract
Abstract This invention concerns polymerization accelerators or surface activators for increasing the rate of cure of cyanoacrylate adhesive compositions. The active ingredients of the activators are organic compounds containing a D R A W I N G
Inventors
- 👤 J Delahunty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:43
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
13 words
The adhesive composition of claim 1 wherein the monomeric ester has the formula
Claim 2
Dependent Claim
13 words
The adhesive composition of claim 2 wherein the monomeric ester has the formula
Claim 3
Dependent Claim
13 words
The adhesive composition of claim 2 wherein the polymerization accelerator is a dithiocarbamate.
Claim 4
Dependent Claim
21 words
A two part adhesive composition consisting of: a. an adhesive component comprising a monomeric ester of 2-cyanoacrylic acid having the formula
Claim 5
Dependent Claim
17 words
The adhesive composition of claim 5 wherein the adhesive component additionally contains an inhibitor of anionic polymerization.
Claim 6
Dependent Claim
35 words
The adhesive composition of claim 6 wherein the polymerization accelerator is dissolved in a volatile organic solvent, and comprises from about 0.01% to about 20% by weight of the mixture of solvent and polymerization accelerator.
Claim 7
Dependent Claim
108 words
The process for bonding two substrates which comprises (a) applying to at least one of said substrates a solvent solution of a polymerization acceleration selected from the class consisting of: a. N-disubstituted metaLlic dithiocarbamates having the general formula R1R2N.C.( S).Sxmy where each of R1 and R2 is a saturated or an ethylenically or aromatically unsaturated hydrocarbon group containing up to about 10 carbon atoms, or where R1 and R2 together with the nitrogen atom to which they are attached form a heterocyclic group containing up to about 10 carbon atoms; M is a transition metal; and x and y are integers; b. N-disubstituted benzothiazole-2-sulfenamides having the general formula
Claim 8
Dependent Claim
32 words
The process of claim 8 wherein the polymerization accelerator comprises from about 0.1% to about 5.0% by weight of the solvent solution, and the adhesive comprises a monomeric ester having the formula
Claim 9
Dependent Claim
15 words
The process of claim 9 wherein the adhesive additionally contains an inhibitor of anionic polymerization.
Claim 10
Dependent Claim
37 words
The process of claim 8 wherein each of x and y are integers between 1 and about 4, and z is an integer not exceeding about 5; and the adhesive additionally contains an inhibitor of anionic polymerization.
Claim 11
Dependent Claim
26 words
The process of claim 11 wherein the inhibitor of anionic polymerization is selected from the class consisting of acidic gasses, organic sultones, and organic sulfonic acids.
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) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |