Inventor

CHEN JEN-CHI

US28 patents

⚠️ This page may combine multiple inventors who share the name “CHEN JEN-CHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEN JEN-CHI

BETZDEARBORN INC

Composition and method for water clarification

Compositions and methods for water clarification

Methods for suppressing dust emissions

Composition and method for water clarification

Method of and composition for breaking oil and water emulsions in crude oil processing operations

Method of and composition for breaking oil and water emulsions in crude oil processing operations

Methods and compositions for inhibiting corrosion

Compositions and methods for detackifying paint spray booth water

Composition and method for water clarification

Composition comprising a tannin-containing copolymer

Methods for detackifying paint spray booth water

N, N-alkyl polyacrylamide metal treatment

Paint spray booth treatment program for waterborne and/or solventborne paints

MCNEIL PPC INC

Manufacture of lozenge product with radiofrequency

Manufacture of lozenge product with radiofrequency

Dosage forms having a microreliefed surface and methods and apparatus for their production

Modified release analgesic suspensions

Fast dissolving/disintegrating coating compositions

Burst-release polymer composition and dosage forms comprising the same

BETZ LABORATORIES

Quaternized polyvinylamine water clarification agents

Quaternized polyvinylamines for deinking loop clarification

LEE DER-YANG

Modified release analgesic suspensions

Modified release solid or semi-solid dosage forms

KOLL GREGORY E

Manufacture of chewing gum product with radiofrequency

ROHM & HAAS

Coating compositions incorporating composite polymer particles

JOHNSON & JOHNSON CONSUMER INC

Orally disintegrating tablet

SARNOFF CORP

Substrates for powder deposition containing conductive domains

CHEN JEN-CHI

Dip coated compositions containing a starch having a high amylose content