4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Mixing of two or more solid polymers; mixing of solid...

Yun-Feng Chang

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Attrition resistant molecular sieve catalyst, method of...

Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – From nonhydrocarbon feed
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Attrition resistant molecular sieve catalysts

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Attrition resistant molecular sieve catalysts

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Coating composition of aminoplast, hydroxy polymers and vinylic

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Conversion of nitrogen oxides in the presence of a catalyst...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Yun-Feng Chang does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Yun-Feng Chang, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Yun-Feng Chang will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-479673

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure