Inventor · disambiguated record

Ralf Ohlenmacher

Also filed as: OHLENMACHER RALF

2 granted patents·32 citations·filing 1986–1988

63Inventor score

Technology areasG03F

Files withHOECHST AG2

Top patents by PatentIndex Score

2 records

0169US4764450APositive-working radiation-sensitive coating solution and positive photoresist material with monomethyl ether of 1,2-propanediol as solventHOECHST AG·Filed 1986·Granted Aug 16, 1988·19 cites·13 claims
0259US4853314APositive-working radiation-sensitive coating solution and positive photoresist material with monoalkyl ether of 1,2-propanediol as solventHOECHST AG·Filed 1988·Granted Aug 1, 1989·13 cites·13 claims

Join the waitlist — get patent alerts

Get an alert when Ralf Ohlenmacher files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →