US3850858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot melt pressure sensitive adhesives
Assignee: Eastman Kodak Co
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Filing: 1973-09-28
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Granted: 1974-11-26
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Expires: 1993-09-28
Abstract
Abstract 1. AN ADHESIVE COMPOSITION CAPABLE OF BEING USED AS A HOT MELT PRESSURE SENSITIVE ADHESIVE COMPRISING A BLEND OF (1) 30 TO 60 WEIGHT PERCENT AMORPHOUS POLYOLEFIN, (2) 10 TO 30 WEIGHT PERCENT OF AT LEAST ONE TACKIFYING RESIN SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON RESINS, POLYTERPENE RESINS AND ROSIN ESTERS, (3) 10 TO 30 WEIGHT PERCENT RUBBERY BLOCK CPOLYMERS STYRENE AND BUTADIENE OR STYRENE AND ISOPRENE, (4) 5 TO 15 WEIGHT PERCENT FLOW MOLECULAR WEIGHT POLYBUTYLENE, (5) TO 15 WEIGHT PERCENT POLYISOBUTYLENE AND (6) 0.5 TO 2 WEIGHT PERCENT CRYSTALLINE POLYPROPYLENE.
Inventors
- 👤 V Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:12
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ADHESIVE COMPOSITION CAPABLE OF BEING USED AS A HOT MELT PRESSURE SENSITIVE ADHESIVE COMPRISING A BLEND OF (1) 30 TO 60 WEIGHT PERCENT AMORPHOUS POLYOLEFIN, (2) 10 TO 30 WEIGHT PERCENT OF AT LEAST ONE TACKIFYING RESIN SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON RESINS, POLYTERPENE RESINS AND ROSIN ESTERS, (3) 10 TO 30 WEIGHT PERCENT RUBBERY BLOCK CPOLYMERS STYRENE AND BUTADIENE OR STYRENE AND ISOPRENE, (4) 5 TO 15 WEIGHT PERCENT FLOW MOLECULAR WEIGHT POLYBUTYLENE, (5) TO 15 WEIGHT PERCENT POLYISOBUTYLENE AND (6) 0.5 TO 2 WEIGHT PERCENT CRYSTALLINE POLYPROPYLENE.
Claim 2
Dependent Claim
92 words
AN ADHESIVE COMPOSITION CAPABLE OF BEING USED AS A HOT MELT PRESSURE SENSITIVE ADHESIVE COMPRISING A BLEND OF (1) 30 TO 60 WEIGHT PERCENT AMORPHOUS POLYOLEFIN, (2) 10 TO 30 WEIGHT PERCENT OF AT LEAST ONE TACKIFYING RESIN SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON RESINS, POLYTERPENE RESINS AND ROSIN ESTERS, (3) 10 TO 30 WEIGHT PERCENT RUBBERY BLOCK CPOLYMERS STYRENE AND BUTADIENE OR STYRENE AND ISOPRENE, (4) 5 TO 15 WEIGHT PERCENT FLOW MOLECULAR WEIGHT POLYBUTYLENE, (5) TO 15 WEIGHT PERCENT POLYISOBUTYLENE AND (6) 0.5 TO 2 WEIGHT PERCENT CRYSTALLINE POLYPROPYLENE.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |