Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ANGEL STEPHEN F
   2. Issuer Name and Ticker or Trading Symbol
PRAXAIR INC [PX] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman, President & CEO
(Last)
(First)
(Middle)
C/O PRAXAIR, INC., 10 RIVERVIEW DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
01/26/2018
(Street)

DANBURY, CT 06810		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock               2,268 I In trust for children
Common Stock               122,063 I Grantor Retained Annuity Trusts
Common Stock               34,272 I Angel Descendants Trust
Common Stock               9,152.6273 I 401(k)
Common Stock 01/26/2018   M   204,640 A $ 76.16 353,350 D  
Common Stock 01/26/2018   F   144,854 (1) D $ 164.25 208,496 D  
Common Stock 01/30/2018   G   86,222 (8) D $ 0 122,274 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 76.16 01/26/2018   M     204,640 02/23/2011(2) 02/23/2020 Common Stock 204,640 $ 0 0 D  
Stock Option (right to buy) $ 97.84             02/22/2012(2) 02/22/2021 Common Stock 218,175   218,175 D  
Stock Option (right to buy) $ 109.68             02/28/2013(2) 02/28/2022 Common Stock 236,510   236,510 D  
Stock Option (right to buy) $ 110.58             02/26/2014(2) 02/26/2023 Common Stock 187,015   187,015 D  
Stock Option (right to buy) $ 128.8             02/25/2015(2) 02/25/2024 Common Stock 203,930   203,930 D  
Stock Option (right to buy) $ 128.38             02/24/2016(3) 02/24/2025 Common Stock 261,075   261,075 D  
Stock Option (right to buy) $ 102.22             02/23/2017(4) 02/23/2026 Common Stock 416,355   416,355 D  
Stock Option (right to buy) $ 118.71             02/28/2018(5) 02/28/2027 Common Stock 435,850   435,850 D  
Deferred Stock Unit $ 0 (6)               (7)   (7) Common Stock 67,017.501   67,017.501 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ANGEL STEPHEN F
C/O PRAXAIR, INC.
10 RIVERVIEW DRIVE
DANBURY, CT 06810		   X     Chairman, President & CEO  

Signatures

 Guillermo Bichara, Attorney-in-Fact   01/30/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Shares withheld from option exercise to pay the option exercise price and taxes. No market sale of shares occurred. The reporting person acquired and held 59,786 shares net of the shares withheld.
(2) This option became exercisable in three (3) equal annual installments beginning on the first anniversary of the date of grant.
(3) This option vests over three years in three consecutive equal annual installments beginning on February 24, 2016.
(4) The option vests over three years in three consecutivve equal annual installments beginning on February 23, 2017.
(5) This option vests over three years in three consecutive equal annual installments beginning on February 28, 2018.
(6) Conversion to Praxair Common Stock is on a 1-for-1 basis.
(7) Deferred stock units acquired under the Praxair Compensation Deferral Plan as amended ("Deferral Plan") and are to be settled in Praxair Common Stock.
(8) Gift of shares; no market transaction occurred.

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