Patent US3148606A successfully refreshed from Google Patents.
Patent US3172871A successfully refreshed from Google Patents.
US3172871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ch3 chj
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:41
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/22; C07F9/24; C07F9/2404; C07F9/2408; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657154; C07F9/6574; C07F9/65744; C08K5/51; C08K5/52; C08K5/524; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A POLYMER SELECTED FROM THE GROUP CONSISTING OF (A) HOMOPOLYMERS OF CONJUGATED DIOLEFINS, (B) COPOLYMERS OF CONJUGATED DIOLEFINS AND POLYMERIZABLE VINYL MONOMERS, (C) HOMOPOLYMERS OF CHLOROBUTADIENE, (D) COPOLYMERS OF CHLOROBUTADIENE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF A MONOOLEFIN, A DIOLEFIN, VINYL CHLORIDE AND VINYLIDENE CHLORIDE, (E) POLYVINYL CHLORIDE, (F) POLYVINYLIDENE CHLORIDE, (G) COPOLYMERS OF VINYL ACETATE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, (H) CHLORINATED NATURAL RUBBER, AND (I) SULFOCHLORINATED POLYETHYLENE, THE AFORESAID POLYMER BEING STABILIZED BY THE INCLUSION THEREIN OF 0.5-5% BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER OF A PHOSPHORUS ACID ESTER OF THE FORMULA:
Claim 2
Dependent Claim
109 words
A POLYMER SELECTED FROM THE GROUP CONSISTING OF (A) HOMOPOLYMERS OF CONJUGATED DIOLEFINS, (B) COPOLYMERS OF CONJUGATED DIOLEFINS AND POLYMERIZABLE VINYL MONOMERS, (C) HOMOPOLYMERS OF CHLOROBUTADIENE, (D) COPOLYMERS OF CHLOROBUTADIENE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF A MONOOLEFIN, A DIOLEFIN, VINYL CHLORIDE AND VINYLIDENE CHLORIDE, (E) POLYVINYL CHLORIDE, (F) POLYVINYLIDENE CHLORIDE, (G) COPOLYMERS OF VINYL ACETATE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, (H) CHLORINATED NATURAL RUBBER, AND (I) SULFOCHLORINATED POLYETHYLENE, THE AFORESAID POLYMER BEING STABILIZED BY THE INCLUSION THEREIN OF 0.5-5% BY WEIGHT BASED ON THE WEIGHT OF THE POLYMER OF A PHOSPHORUS ACID ESTER OF THE FORMULA:
References Cited (Backward Citations)
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US2877259A
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |