Inventor

LESCH DAVID A

US25 patents

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

LESCH DAVID A

UOP LLC

UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separations

Process for synthesizing molecular sieves

Process for preparing molecular sieves via continuous addition of nutrients

Gas separations using high performance mixed matrix membranes

High performance mixed matrix membranes incorporating at least two kinds of molecular sieves

Method of making high performance mixed matrix membranes using suspensions containing polymers and polymer stabilized molecular sieves

Process for preparing a layered molecular sieve composition

Process for preparing molecular sieve beads

Aromatic isomerization using a modified silicoaluminophosphate

Binderless zeolitic adsorbents

Binderless zeolitic adsorbents

Selective hydroisomerization catalyst

Selective hydroisomerization catalyst

Multi-component hydrogen storage material

UOP INC

Discrete molecular sieve and use

Molecular sieve synthesis

Olefin isomerization process

Lithium-aluminum-phosphorus-silicon-oxide molecular sieve compositions

Discrete molecular sieve and use

Crystalline aluminophosphate composition

LIU CHUNQING

Flexible template-directed microporous partially pyrolyzed polymeric membranes

High plasticization-resistant cross-linked polymeric membranes for separations

Microporous aluminophosphate molecular sieve membranes for highly selective separations

Molecular sieve/polymer asymmetric flat sheet mixed matrix membranes

UNION CARBIDE CORP

Lithium-aluminum-phosphorus-oxide molecular sieve compositions