Patent US3332891A successfully refreshed from Google Patents.
US3332891A
Expired / Lapsed
US
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Process for the preparation of alpha-per-fluoro-p-xylylene polymers
Assignee: Union Carbide Corp
•
Filing: 1963-09-23
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Granted: 1967-07-25
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Chow Sui-Wu
- 👤 Louis A Pilato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:49
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/025; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/14; C07C17/18; C07C17/20; C07C17/202; C07C17/206; C07C17/23; C07C17/26; C07C17/263; C07C17/269; C07C22/00; C07C22/02; C07C22/04; C07C22/08; C07C25/00; C07C25/02; C07C25/125; C07C25/13; C07C317/00; C07C317/02; C07C317/10; C07C317/14; C07C323/00; C07C323/01; C07C323/02; C07C323/07; C07C45/00; C07C45/42; C07C45/43; C08G2261/00; C08G2261/30; C08G2261/34; C08G2261/342; C08G2261/3424
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
12 words
A METHOD FOR PRODUCING LINEAR THERMOPLASTIC POLYMERS HAVING THE BASIC REPEATING UNIT
Claim 2
Independent Claim
12 words
A METHOD FOR PRODUCING LINEAR THERMOPLASTIC POLYMERS HAVING THE BASIC REPEATING UNIT
Claim 3
Dependent Claim
7 words
LINEAR THERMOPLASTIC POLYMER HAVING THE REPEATING UNIT
Claim 4
Dependent Claim
7 words
LINEAR THERMOPLASTIC POLYMER HAVING THE REPEATING UNIT
Claim 5
Dependent Claim
5 words
COMPOSITION HAVING THE GENERAL STRUCTURE
Claim 6
Dependent Claim
5 words
COMPOSITION HAVING THE GENERAL STRUCTURE
Claim 7
Dependent Claim
10 words
A,A'' - BIS(HYDROCARBYL MECAPTO)A,A,A'',A'' - TETRAFLUORO-P-XYLENE HAVING THE GENERAL STRUCTURE
Claim 8
Dependent Claim
10 words
A,A'' - BIS(HYDROCARBYL MECAPTO)A,A,A'',A'' - TETRAFLUORO-P-XYLENE HAVING THE GENERAL STRUCTURE
Claim 9
Dependent Claim
11 words
A, A'' - BIS(HYDROCARBYL SULFONYL)A,A,A'',A'' - TETRAFLUORO-P-XYLENE HAVING THE GENERAL STRUCTURE
Claim 10
Dependent Claim
11 words
A, A'' - BIS(HYDROCARBYL SULFONYL)A,A,A'',A'' - TETRAFLUORO-P-XYLENE HAVING THE GENERAL STRUCTURE
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |