Patent US3284276A successfully refreshed from Google Patents.
US3284276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated cellophane article and process for obtaining the same
Assignee: ATK Launch Systems LLC
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Filing: 1962-11-06
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Granted: 1966-11-08
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Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 Morris B Berenbaum
- 👤 Rolf F Foerster
- 👤 Riad H Gobran
- 👤 David C Guth
- 👤 Ronald F Snyder
- 👤 Iii Theodore F Wells
- 👤 Arthur J Yu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:10
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/14; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08J7/048; C08J7/052; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C09D163/00; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/24; C08J2301/00; C08J2301/06; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31511
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
93 words
AS AN ARTICLE OF MANUFACTURE A CELLOPHANE SUBSTRATE COATED ON AT LEAST ONE SURFACE THEREOF WITH THE REACTION PRODUCT OF (A) AT LEAST ONE COPOLYMER ESSENTIALLY CONSISTING OF ABOUT 75 TO 95 MOL PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 5 TO 25 MOL PEERCENT OF AT LAST ONE ACID MATERIAL SELECTED FROM THE GROUP CONSISTING OF A,B-UNSATURATED, ALIPHATIC CARBOXYLIC ACIDS AND THEIR ANHYDRIDES, AND (B) AT LEAST ONE POLYEPOXIDE IN AN AMOUNT SUCH AS TO PROVIDE ABOUT 0.01 TO 2.5 MOLS OF EPOXIDE GROUPS PER MOL OF CARBOXYL GROUPS PRECENT IN SAID COPOLYMER.
Claim 2
Dependent Claim
93 words
AS AN ARTICLE OF MANUFACTURE A CELLOPHANE SUBSTRATE COATED ON AT LEAST ONE SURFACE THEREOF WITH THE REACTION PRODUCT OF (A) AT LEAST ONE COPOLYMER ESSENTIALLY CONSISTING OF ABOUT 75 TO 95 MOL PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 5 TO 25 MOL PEERCENT OF AT LAST ONE ACID MATERIAL SELECTED FROM THE GROUP CONSISTING OF A,B-UNSATURATED, ALIPHATIC CARBOXYLIC ACIDS AND THEIR ANHYDRIDES, AND (B) AT LEAST ONE POLYEPOXIDE IN AN AMOUNT SUCH AS TO PROVIDE ABOUT 0.01 TO 2.5 MOLS OF EPOXIDE GROUPS PER MOL OF CARBOXYL GROUPS PRECENT IN SAID COPOLYMER.
Claim 3
Dependent Claim
117 words
A PROCESS FOR COATING A CELLOPHANE SUBSTRATE COMPRISING APPLYING TO AT LEAST ONE SURFACE OF SAID SUBSTRATE A SOLUTION CONTAINING (A) AT LEAST ONE COPOLYMER ESSENTIALLY CONSISTING OF ABOUT 75 TO 95 MOL PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 5 TO 25 MOL PERCENT OF AT LEAST ONE ACID MATERIAL SELECTED FROM THE GROUP CONSISTING OF A,BUNSATURATED, ALIPHATIC CAROXYLIC ACIDS AND THERI ANHYDRIDES, AND (B) AT LEAST ONE POLYEPOXIDE IN AN AMOUNT SUCH AS TO PROVIDE ABOUT 0.01 TO 2.5 MOLS OF EPOXIDE GROUPS PER MOL OF CARBOXYL GROUPS PPRESENT IN SAID COPOLYMER, REMOVING THE SOLVENT MEDIUM FROM SAID SOLUTION, AND CROSSLINKING SAID COPOLYMER WITH SAID POLYEPOXIDE WHEREBY SAID CROSSLINKED COPOLYMER FORMS A COATING ON SAID SUBSTRATE.
Claim 4
Dependent Claim
117 words
A PROCESS FOR COATING A CELLOPHANE SUBSTRATE COMPRISING APPLYING TO AT LEAST ONE SURFACE OF SAID SUBSTRATE A SOLUTION CONTAINING (A) AT LEAST ONE COPOLYMER ESSENTIALLY CONSISTING OF ABOUT 75 TO 95 MOL PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 5 TO 25 MOL PERCENT OF AT LEAST ONE ACID MATERIAL SELECTED FROM THE GROUP CONSISTING OF A,BUNSATURATED, ALIPHATIC CAROXYLIC ACIDS AND THERI ANHYDRIDES, AND (B) AT LEAST ONE POLYEPOXIDE IN AN AMOUNT SUCH AS TO PROVIDE ABOUT 0.01 TO 2.5 MOLS OF EPOXIDE GROUPS PER MOL OF CARBOXYL GROUPS PPRESENT IN SAID COPOLYMER, REMOVING THE SOLVENT MEDIUM FROM SAID SOLUTION, AND CROSSLINKING SAID COPOLYMER WITH SAID POLYEPOXIDE WHEREBY SAID CROSSLINKED COPOLYMER FORMS A COATING ON SAID SUBSTRATE.
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |