Patent US2844502A successfully refreshed from Google Patents.
US2844502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding elastomers to other materials and adhesive compositions used therefor
Assignee: Uniroyal Inc
•
Filing: 1954-08-31
•
Granted: 1958-07-22
•
Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Homer W Paxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:47
CPC Classifications
C; C09; C09J; C09J115/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/16; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31859; Y10T428/31877; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/31924; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2861; Y10T442/2885; Y10T442/2893
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
81 words
AN ADHESIVE COMPOSITION COMPRISING A SOLUBLE, PROCESSABLE, CHEMICAL ADDUCT OF MALEIC ANHYDRIDE AND AN ELASTOMER SELECTED FROM THE CLASS CONSISTING OF HEVEA RUBBER; SYNTHETIC, RUBBERY HOMOPOLYMERS OF AN CONJUGATED DIOLEFIN; RUBBERY HETEROPOLYMERS OF AT MOST 85% OF A MONOOLEFINIC COMPOUND AND AT LEAST 15% OF A CONJUGATED DIOLEFIN; AND RUBBERY COPOLYMERS OF FROM ABOUT 95% TO ABOUT 99% OF ISOBUTYLENE AND FROM ABOUT 5% TO ABOUT 1% OF A CONJUGATED DIOLEFIN; AND IN ADDITION A CASHEW NUT SHELL OIL-MODIFIED PHENOL-ALDEHYDE RESIN.
Claim 2
Dependent Claim
81 words
AN ADHESIVE COMPOSITION COMPRISING A SOLUBLE, PROCESSABLE, CHEMICAL ADDUCT OF MALEIC ANHYDRIDE AND AN ELASTOMER SELECTED FROM THE CLASS CONSISTING OF HEVEA RUBBER; SYNTHETIC, RUBBERY HOMOPOLYMERS OF AN CONJUGATED DIOLEFIN; RUBBERY HETEROPOLYMERS OF AT MOST 85% OF A MONOOLEFINIC COMPOUND AND AT LEAST 15% OF A CONJUGATED DIOLEFIN; AND RUBBERY COPOLYMERS OF FROM ABOUT 95% TO ABOUT 99% OF ISOBUTYLENE AND FROM ABOUT 5% TO ABOUT 1% OF A CONJUGATED DIOLEFIN; AND IN ADDITION A CASHEW NUT SHELL OIL-MODIFIED PHENOL-ALDEHYDE RESIN.
Claim 3
Dependent Claim
47 words
A METHOD OF BONDIONG AN ELASTOMER TO OTHER MATERIALS BY APPLYING AND INTERPOSING BETWEEN SAID ELASTOMER AND THE OTHER MATERIAL A CEMENT OF AN ADHESIVE COMPOSITION AS SET FORTH IN CLAIM 1, AND HEATING THE ASSEMBLY UNTIL THE ELASTOMER AND THE OTHER MATERIAL ARE FIRMLY BONDEND TOGETHER.
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |