EP Patent

EP0537784A1 — Silicone pressure sensitive adhesives having enhanced adhesion to low energy substrates

Assigned to Dow Silicones Corp · Expires 1993-04-21 · 33y expired

What this patent protects

There is disclosed a pressure-sensitive adhesive composition based on a silicone resin and a polydiorganosiloxane polymer wherein the resin component has a number average molecular weight of about 950 to 1,600 and consists essentially of triorganosiloxy (M) units and silicate (Q)…

USPTO Abstract

There is disclosed a pressure-sensitive adhesive composition based on a silicone resin and a polydiorganosiloxane polymer wherein the resin component has a number average molecular weight of about 950 to 1,600 and consists essentially of triorganosiloxy (M) units and silicate (Q) units wherein the molar ratio M/Q is in the range 1.1/1 to 1.4/1, inclusive. The adhesives of the invention exhibit improved adhesion to low energy substrates such as polyethylene and polytetrafluoroethylene.

Drugs covered by this patent

Patent Metadata

Patent number
EP0537784A1
Jurisdiction
EP
Classification
—
Expires
1993-04-21
Drug substance claim
No
Drug product claim
No
Assignee
Dow Silicones Corp
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.