US3849462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room temperature curable organopolysiloxanes
Assignee: Wacker Chemical Corp
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Filing: 1974-02-08
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Granted: 1974-11-19
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Expires: 1994-02-08
Abstract
Abstract 1. A COMPOUND OF THE FPRMULA: Z(M)-SI(-R(3-M))-SI(-R(3-N))-Z(N) WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS; Z IS A HYDROLYZABLE GROUP SELECTED FROM THE CLASS CONSISTING OF RADICALS AND PHOSPHATO RADICALS; M IS A NUMBER OF FROM 1 RADICALS AND PHOSPHATO RADICALS; M IS A NUMBER OF FROM 1 TO 3, N IS A NUMBER OF FROM 0 TO 3 AND THE SUM OF M AND N IS GREATER THAN 2.
Inventors
- 👤 G Lengnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:30
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0892; C07F7/10; C08L; C08L83/00; C08L83/04; C08G77/04; C08G77/14; C08G77/16; C08G77/20; C08G77/70; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FPRMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FPRMULA:
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) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |